Best eCommerce App Developers

8 Companies - Rankings updated: April 03, 2026

All agencies on DesignRush undergo evaluation based on professional expertise and verified client reviews. Please note that certain placements are paid partnerships.

United States × Connecticut × Stamford ×
  • Design. Rank. Grow | Award Winning Digital Marketing Agency

    Funnel Boost Media offers local web design, SEO, GEO, PPC, and social media marketing. We help businesses rank on search engines and LLM AI platforms, drive traffic, and get measurable results. Known as one of America's best digital marketing companies by Forbes. Call us now for a free consultation.  [... see all Funnel Boost Media reviews ]
    Location
    Stamford, Connecticut
    Number of Employees
    50 - 99
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    14 Projects Listed

    Funnel Boost Media Services

    • SEO
    • Digital Marketing
    • Web Development
    • Web Design
    • PPC
    • Advertising
    • CRO
    • Mobile App Development
    • Branding
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts

    Clients and Projects

    View Full Portfolio
    • Beldon Roofing
      Website Development Project for Construction Company Beldon Roofing
    • Audi North Park
      Website Development Project for Automotive Company Audi North Park
    • Javier Villarreal Law Firm
      Web Design Project for Legal Company Javier Villarreal Law Firm
    • Lehmbecker Law
      Website Development Project Lehmbecker Law
    Comprehensive analysis done by DesignRush Agency Experts.

    Funnel Boost Media Reviews & Testimonials

    • Anonymous Founder & Owner at Remodeling
      5.0
      Web Design Review from Anonymous

      Great job! My wife and I liked both website design options you provided, but the first option was the clear winner! That's definitely the look I was going for on my new site!

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    • Anonymous Executive Assistant at Remodeling
      5.0
      Web Design Review from Anonymous

      Everything looks great! I really appreciate all that you've done and I really like what you were able to put together for my new website.

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    • Anonymous Project Manager at Healthcare
      5.0
      SEO Review from Anonymous

      Thanks for the advice on how to gain more reviews on our GMB! The email template you sent over with our review link will be a huge help!

      Show more
    Reviews verified by DesignRush and sourced from the agency's profile
    • Home Services
    • Home Remodeling
    • Law Firms
    • Healthcare
    • Groomers Seafood
    • JV Law Group | Injury Law Firm Marketing
    • Khalid Auto Group | Auto SEO
    • Bugco Pest Control | Pest Control Marketing
    • Eaton Family Law Group | Family Law Marketing
    • Design | Rank | Grow
    Data sourced from the agency's DesignRush profile
  • Top US Mobile & Web App Development Agency

    AppMakersUSA is a US-based full-service mobile application development company. We specialize in building cross-platform websites and apps (meaning iOS & Android for the price of one), informing your business decisions from a technical perspective, and being transparent in our process & thinking.  [... see all AppMakers USA reviews ]
    Location
    Stamford, Connecticut
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    83 Projects Listed

    AppMakers USA Services

    • Mobile App Development
    • UI/UX Design
    • AI Development
    • Software Development
    • Web Design
    • Staff Augmentation
    • Web Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts

    Clients and Projects

    View Full Portfolio
    • Walmart
      App Development Project for Food and Beverage Company Walmart
    • Eksperience (NFL)
      App Development Project for Entertainment Company Eksperience (NFL)
    • CVS Pharmacy
      App Development Project for Health Care Company CVS Pharmacy
    • Number Hive
      App Development Project for Education Company Number Hive
    • ClassCalc
      App Development Project for Education Company ClassCalc
    • BookClub
      App Development Project for Publishing Company BookClub
    Comprehensive analysis done by DesignRush Agency Experts.

    AppMakers USA Reviews & Testimonials

    • Awital Ifrah
      Awital Ifrah Program manager at Masa Israel journey
      5.0
      Cross-Platform Review from Awital Ifrah

      Masa came in with a pretty loose idea and AppMakers helped turn it into something solid. What I appreciated most is they didn't overcomplicate it or try to make it into some giant monster platform. They listened, asked smart questions, and helped us focus on what would actually matter for alumni and current participants. The end result felt thoughtful and realistic. I'd definitely work with them again.

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    • Moishi Stern
      Moishi Stern Customer support at Madlan
      5.0
      Startup Review from Moishi Stern

      We create live events. We wanted a site that shows what we do without making people dig. AppMakers listened, trimmed the fluff, and gave us pages that read fast and look good on a phone. The quote form asks the right things and our team can update galleries without calling a developer. They stayed on schedule and answered messages the same day. The whole process was calm and clear. We already see better inquiries. It feels like a real upgrade, even before the full rebuild.

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    • Jubilee Haddasah Munozvilla
      Jubilee Haddasah Munozvilla CEO at Its Kinda Catchy
      5.0
      Small Business Review from Jubilee Haddasah Munozvilla

      We loved working with AppMakers. They built us a procurement system to help quickly and easily secure materials for our labs. The process was smooth and the outcome was stellar.

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    Reviews verified by DesignRush and sourced from the agency's profile
    • CVS Pharmacy
    • Austin Ekeler (NFL Player)
    • ClassCalc
    • Number Hive
    • BookClub
    • Arcxis
    • Debate club
    • Bayut
    • Los Angeles Apparel
    • Sun Scooter
    Data sourced from the agency's DesignRush profile
  • Helping non-technical founders find peace of mind.

    At Designli, we pair non-technical software founders with full-time, founder-aligned product teams. Software engineers, designers, and product owners who don't just speak code, they speak human. We guide you through every step with clarity, structure, and care.  [... see all Designli reviews ]
    Location
    Stamford, Connecticut
    Number of Employees
    50 - 99
    Average Hourly Rate
    $85/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    14 Projects Listed

    Designli Services

    • Mobile App Development
    • Software Development
    • Web Development
    • Web Design
    • UI/UX Design
    • Software Testing
    • IoT
    • Blockchain
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts

    Clients and Projects

    View Full Portfolio
    • Paidback
      App Development Project for Fintech Company Paidback
    • Icueity
      App Development Project for Software & IT Services Company Icueity
    • Cabin Time
      App Development Project Cabin Time
    • AskIris
      Cross-Platform Mobile App Development Project for Health Care Company AskIris
    • Behind the Knife
      Cross-Platform Mobile App Development Project for Health Care Company Behind the Knife
    • True Load Time
      Cross-Platform Mobile App Development Project for Transportation & Logistics Company True Load Time
    Comprehensive analysis done by DesignRush Agency Experts.

    Designli Reviews & Testimonials

    • Anonymous Founder & CEO at Innershell
      5.0
      Mobile App Development Review from Anonymous

      Designli delivered a high-quality prototype on a tight timeline. The team was responsive to feedback, met every deadline, stayed within budget, and quickly adapted to requested changes. Their expertise in app design and development was evident throughout the project and left a strong impression.

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    • Anonymous CEO at Monjour
      5.0
      AI UI/UX Design Review from Anonymous

      Designli produced a complete, functional Figma prototype for our solution. They communicated clearly through virtual meetings and stood out for their strong process, gathering feedback from multiple stakeholders and delivering on schedule. Overall, we were very impressed with their work.

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    • Anonymous CTO at Code Willing
      5.0
      AI UI/UX Design Review from Anonymous

      Designli delivered Figma wireframes that were both well-crafted and well-received by our team. The designs were clean, intuitive, and elegant, reflecting strong design intuition. Throughout the process, the team stayed organized, communicated clearly via Basecamp, and delivered everything on time.

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    Reviews verified by DesignRush and sourced from the agency's profile
    • Goodwill
    • Earthlink
    • Rotary
    • State of South Carolina
    • Secur.Space
    • Grappos
    • Michelin
    • Accel Entertainment
    • Millennium Parking Garages
    Data sourced from the agency's DesignRush profile
  • Growing Brands Online

    Digital Silk is an agency focused on Creating Superior Digital Experiences for their clients. They create cutting-edge brand strategies, websites, apps and results-driven marketing campaigns for mid-size to large companies that demand results and best-in-class service.  [... see all Digital Silk reviews ]
    Location
    Stamford, Connecticut
    Number of Employees
    100 - 249
    Average Hourly Rate
    $150/hr
    Portfolios Count
    44 Projects Listed

    Digital Silk Services

    • Web Design
    • eCommerce Development
    • Branding
    • Digital Strategy
    • Digital Marketing
    • WordPress Website Design
    • SEO
    • Mobile App Development
    • Web Development
    • Product Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts

    Clients and Projects

    View Full Portfolio
    • SNP Therapeutics
      Web Design Project for Health Care Company SNP Therapeutics
    • Dognomics
      eCommerce Development Project for Pets Company Dognomics
    • EV Universe
      Web Design Project for eCommerce Company EV Universe
    • Northwestern University
      Web Design Project for Higher Education Company Northwestern University
    • Franchise Business Review
      Web Design Project Franchise Business Review
    • G2 eSports
      eCommerce Development Project for Gaming Company G2 eSports
    Comprehensive analysis done by DesignRush Agency Experts.

    Digital Silk Reviews & Testimonials

    • Robin Baradarian
      Robin Baradarian Owner/Manager at ExoClinic Spa
      5.0
      Web Development Review from Robin Baradarian

      As the owner of ExoClinic Spa, and a physician with more than 30 years of experience building medical practices and businesses, I can say unequivocally that working with Digital Silk has been an extraordinary experience and the best I have had with any web development company to date.From the very beginning, their team demonstrated a rare combination of professionalism, strategic intelligence, and genuine partnership. They took the time to truly understand our brand, our medical standards, and our long-term vision. This was not a transactional engagement; it was a collaborative process grounded in respect, insight, and excellence.Digital Silks communication was consistently clear, proactive, and reliable. Every recommendation was thoughtful and data-driven, and every step of the project was handled with precision and care. They seamlessly balanced sophisticated design with the credibility and trust required in a medical and wellness setting something very few firms manage to do well.The final product exceeded my expectations in every way. The website is elegant, intuitive, fast, and perfectly aligned with the level of care and innovation we deliver at ExoClinic Spa. Their attention to detail, project management, and internal coordination were exceptional.After three decades of working with countless vendors across industries, I can confidently say Digital Silk stands above all others. They are not just a web development company they are a true strategic partner. I trust them completely and recommend them without reservation.

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    • Marissa Cossolini, MS, OTR/L, CAS
      Marissa Cossolini, MS, OTR/L, CAS Owner at My Potential Kids
      5.0
      Web Design Review from Marissa Cossolini, MS, OTR/L, CAS

      We truly cannot say enough great things about our experience with Digital Silk. From start to finish, every member of the team was phenomenal, professional, responsive, and incredibly informative throughout the entire process. Each stage of development was clearly outlined, well organized, and made us feel confident and supported every step of the way.Mariana and Jamie were especially amazing to work with. They took the time to understand our vision and goals, offered thoughtful guidance, and ultimately delivered a website that exceeded our original expectations. Their creativity, attention to detail, and commitment to getting everything just right truly set them apart.The collaboration felt seamless, communication was always clear, and the final product reflects the high level of expertise and care that went into building it. We are beyond thrilled with the end result and highly recommend their team to anyone looking to develop a professional, high-quality website.An outstanding experience from beginning to end! I also see a long time relationship with this team and company for any other future projects and work.

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    • Danil R. Kasimov
      Danil R. Kasimov CEO at Limo Service Miami
      5.0
      Web Design Review from Danil R. Kasimov

      I'm very satisfied with the work Digital Silk did for my website.Not only they built a modern, professional site that meets todays standards and search engine requirements, but their team was so professional, well organized, easy to work with, and always kept me updated through Zoom meetings, emails, and messages.They provided great suggestions and valuable insights, making the whole process smooth and stress-free. Excellent service from start to finish.Thanks a lot for all your help!

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    Reviews verified by DesignRush and sourced from the agency's profile
    • Sony
    • Microsoft
    • P&G
    • IBM
    • AT&T
    • NYU
    • NFL
    • NASA
    • XEROX
    Data sourced from the agency's DesignRush profile
  • Top UI/UX design, web design, and branding agency in San Francisco.

    We're a global group of strategists, designers, and engineers building notable brands and premier digital experiences that captivate users worldwide.Our unified, AI-infused creative approach ensures scalability and consistency across all brand touchpoints by building robust design systems.  [... see all Clay reviews ]
    Location
    Stamford, Connecticut
    Number of Employees
    50 - 99
    Average Hourly Rate
    $175/hr
    Portfolios Count
    12 Projects Listed

    Clay Services

    • UI/UX Design
    • Mobile App Development
    • Web Development
    • Branding
    • Web Design
    • Video Production
    • Product Design
    • Graphic Design
    • Logo Design
    • Design Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts

    Clients and Projects

    View Full Portfolio
    • Joe & The Juice
      App Development Project for Food and Beverage Company Joe & The Juice
    • Discover
      App Development Project for Fintech Company Discover
    • Snapchat
      App Development Project for Social Networks Company Snapchat
    • Slack
      Web Design Project for Software & IT Services Company Slack
    • Marqeta
      Web Design Project for Fintech Company Marqeta
    • Fiverr
      Web Design Project Fiverr
    Comprehensive analysis done by DesignRush Agency Experts.

    Clay Reviews & Testimonials

    • Anonymous Co-Founder at Skylum
      5.0
      Web Development Review from Anonymous

      Clay built our new website to support a product launch, and we were impressed by how quickly they delivered. The site met our expectations perfectly. They worked efficiently and provided high-quality results right on schedule.

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    • Anonymous Manager at Car Retailer
      5.0
      Web Design Review from Anonymous

      Clay designed and developed our car retail website, and the results were outstanding. The site looked stunning and worked exactly as needed. They stood out for their patience, attentiveness, and excellent service. Communication was always clear, and they delivered on time.

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    • Anonymous Director of Web Strategy & Operations at Nonprofit Org
      5.0
      Web Design Review from Anonymous

      Clay redesigned and rebuilt our nonprofit’s website with fresh UX/UI research to guide the process. The new site improved conversions, earned great user feedback, and boosted internal efficiency. Communication across all channels was seamless, and their responsiveness and high-quality results went beyond what we expected.

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    Reviews verified by DesignRush and sourced from the agency's profile
    • Meta
    • Google
    • Discover
    • Stripe
    • Coca-Cola
    • Coinbase
    • Uber
    • Sony
    • Slack
    • Amazon
    Data sourced from the agency's DesignRush profile
  • Engineering Intelligent Solutions Through Design and Code - Web, Mobile AI, Blockchain

    At SapientPro, we build high-quality software solutions and provide expert consulting services to help businesses grow. Since 2017, our team has been delivering custom-built solutions to meet unique business needs.  [... see all SapientPro reviews ]
    Location
    Stamford, Connecticut
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    15 Projects Listed

    SapientPro Services

    • AI Development
    • eCommerce Development
    • Mobile App Development
    • Web Design
    • Web Development
    • Software Development
    • IT Services
    • UI/UX Design
    • Blockchain
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts

    Clients and Projects

    View Full Portfolio
    • Mutate. Collect. Repeat: Building the NFT Collection
      Interactive Design Project for NFT Company Mutate. Collect. Repeat: Building the NFT Collection
    • Custom UX/UI Design and Development for Water Delivery Platform
      Website Development Project for Delivery & Takeaway Company Custom UX/UI Design and Development for Water Delivery Platform
    • SalesLogs - Automotive CRM System
      Website Redesign Project for Automotive Company SalesLogs - Automotive CRM System
    • Automated Sports Card Sales Platform
      Website Development Project for eCommerce Company Automated Sports Card Sales Platform
    Comprehensive analysis done by DesignRush Agency Experts.

    SapientPro Reviews & Testimonials

    • Slava Berkovich
      Slava Berkovich Chief Technology Officer at Saleslogs
      5.0
      Software Development Review from Slava Berkovich

      SapientPro consistently delivers high-quality work that aligns with project requirements. The team demonstrates strong expertise in Angular, TypeScript, and JavaScript. Their project management and communication practices are highly effective, with weekly client meetings held to provide updates on progress and ensure alignment.

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    • Jeremy Ott
      Jeremy Ott Founder at Marketing Reporting Tool
      5.0
      Software Development Review from Jeremy Ott

      This team was extremely responsive from the start. They pulled together a comprehensive quote for my MVP and have delivered on all of the requirements. The daily updates from the product/project manager are extremely helpful and it’s clear that the team cares about the quality of work they deliver. The engineers working on the product are always willing to make recommendations and go above and beyond to make the experience and underlying infrastructure that much better.

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    • Luc Vlekken
      Luc Vlekken CEO at Liswood & Tache
      5.0
      eCommerce Development Review from Luc Vlekken

      We've had the pleasure of working closely with this development team on several projects, and the experience has been consistently excellent. Not only are they highly skilled developers, but they also think along with us both from a technical and a product/customer perspective. Their proactive attitude, reliability, and ability to translate complex requirements into elegant solutions make them a true partner rather than just a supplier. Highly recommended.

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    Reviews verified by DesignRush and sourced from the agency's profile
    • Zich Solutions
    • Contentoo
    • HEX
    • MasTrack
    • Sprinkle
    • Slab Sharks
    • SalesLogs
    • Piktochart
    • The Big Data Chef
    • Footshop
    Data sourced from the agency's DesignRush profile
  • Build Intelligent Apps for Web, Mobile, Data, AI and Cloud

    Azumo helps businesses build intelligent apps by providing top-tier developers skilled in AI, data engineering and enterprise web & mobile applications. Our expertise has earned the trust of industry leaders like Facebook, Twitter, Discovery, Zynga, and NCSoft.  [... see all Azumo reviews ]
    Location
    Stamford, Connecticut
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    9 Projects Listed

    Azumo Services

    • AI Development
    • Software Development
    • Staff Augmentation
    • Mobile App Development
    • Big Data Analytics
    • DevOps Consulting
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts

    Clients and Projects

    View Full Portfolio
    • Application Development and Staffing Partners
      App Development Project for Health Care Company Application Development and Staffing Partners
    • Collaborative Integration and Development for Zynga's Game
      Game App Development Project for Gaming Company Collaborative Integration and Development for Zynga's Game
    • Collaborative Integration, Game Development and Porting
      Game App Development Project for Gaming Company Collaborative Integration, Game Development and Porting
    Comprehensive analysis done by DesignRush Agency Experts.

    Azumo Reviews & Testimonials

    • Michael S.
      Michael S. Director at Software Development Company
      5.0
      Software Development Review from Michael S.

      We selected Azumo to develop our software. We transitioned from another development company, so Azumo was initially responsible for migrating our existing code and environments. We are currently still working with Azumo as our nearshore software development team on adding new items to our software.

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    • Anonymous
      Anonymous CTO at Healthcare Company
      5.0
      UI/UX Design Review from Anonymous

      Azumo helped us migrate our existing UIs into a new framework, creating reusable components and the infrastructure needed for future development. The developer they assigned became a seamless part of our team, always punctual, responsive, and a great fit overall.

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    • Anonymous
      Anonymous VP Product & Engineering at Sales & Mktg Software Company
      5.0
      Software Development Review from Anonymous

      Thanks to Azumo’s work, our product is now more scalable, optimized, and ready for a growing user base. Their team has managed the engagement effectively, keeping us updated and addressing any challenges along the way. We’ve appreciated their constant availability and proactive communication.

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    Reviews verified by DesignRush and sourced from the agency's profile
    • Discovery Channel
    • Meta
    • Zynga
    • Jostens
    • Assembled Brands
    • NGL
    • NCSoft
    • Twitter
    • Horoscope.com
    • Bento
    Data sourced from the agency's DesignRush profile
  • Boutique studio creating tailored web experiences.

    Reach for the sky. We are Zero Negative. Your sidekick for big ideas. In a nutshell, Zero Negative is a small, boutique full-service design and development studio with a focus on creativity and close collaboration with clients. We make stuff - websites, web apps, interactive experiences, branding, and  [... see all ZERO NEGATIVE reviews ]
    Location
    Stamford, Connecticut
    Number of Employees
    Under 49
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    7 Projects Listed

    ZERO NEGATIVE Services

    • Web Development
    • Web Design
    • WordPress Website Design
    • Branding
    • UI/UX Design
    • Graphic Design
    • Digital Services
    • Mobile App Development
    • Package Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts

    Clients and Projects

    View Full Portfolio
    • Mercedes-Benz
      Web Design Project for Automotive Company Mercedes-Benz
    • International Architects Atelier
      Web Design Project for Design Company International Architects Atelier
    • Greenlight Group
      Web Design Project for Media & Communications Company Greenlight Group
    • Curative Biotech
      Web Design Project for Health Care Company Curative Biotech
    • Media Site for Sports Lifestyle Brand
      Web Design Project for Media & Communications Company Media Site for Sports Lifestyle Brand
    • Boutique Medical
      Web Design Project for Health Care Company Boutique Medical
    Comprehensive analysis done by DesignRush Agency Experts.

    ZERO NEGATIVE Reviews & Testimonials

    • Jaroslav Tyman Jr.
      Jaroslav Tyman Jr. General Manager at Automation IG
      5.0
      Web Development Review from Jaroslav Tyman Jr.

      We contacted Zero Negative about a two stage renewal of our company website with a very aggressive timeline for the first stage. Zero Negative worked and guided us through pulling off the first stage within our timeline while also ensuring that the content and ideas for that stage were readily applicable to the full design. When we got to the full design, they were fully responsible for corralling the various preferences and ideas from our team into a well executed cohesive site. We're now in a good spot and look forward to continuing to work with Zero Negative as our business and needs grow.

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    • Susan E. Roberts
      Susan E. Roberts Principal at Roberts Communications
      5.0
      Web Development Review from Susan E. Roberts

      Zero Negative did an exceptional job designing my website, roberts-communications.com. From the start, they understood that this wasn't just about aesthetics it was about positioning, credibility, and clarity for a senior-level communications brand.They translated a complex, high-stakes business into a site that feels polished, modern, and authoritative without being flashy or over designed. The process was collaborative, efficient, and thoughtful, and they were responsive to feedback while also offering smart guidance when it mattered.The final result reflects exactly how I want Roberts Communications to be perceived: strategic, sophisticated, and trusted. I would highly recommend Zero Negative to anyone looking for a design partner who understands brand, not just web building.

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    • Anonymous
      Anonymous President at OTEC Manufacturing
      5.0
      Web Development Review from Anonymous

      These guys are the best! We engaged with Zero Negative to develop a comprehensive web-based system for our factory that allows for managing orders, processes, and inventory. This initiative was essential for us to secure a big ticket client. We truly could not have accomplished this without their assistance. They dedicated considerable time to on-boarding and collecting the requisite information, followed by prototyping the software, and ultimately developing it from scratch. Overall, we are very satisfied.

      Show more
    Reviews verified by DesignRush and sourced from the agency's profile
    • Mercedes-Benz
    • United Nations Development Programme
    • KFC
    • Vodafone Foundation
    • GS1
    • Conad
    • Curative Biotech
    Data sourced from the agency's DesignRush profile

Frequently Asked Questions

What is an eCommerce app development company?

An eCommerce app development company is a company that creates mobile and web applications specifically for the eCommerce sector. These companies combine expertise in software development, user experience (UX) design, and digital marketing to develop platforms that facilitate online buying and selling of goods and services.

Beyond coding expertise, eCommerce app developers deeply understand eCommerce functioning, including online payment systems, security measures that protect users’ data, and third-party integrations with various marketing and sales platforms. Their extensive knowledge allows them to create user-friendly, scalable, comprehensive solutions that improve customer engagement and drive sales.

An eCommerce app development company optimizes apps and provides solutions for these challenges by:

  • Ensuring a responsive app design
  • Developing user personas
  • Customizing product catalogs and checkout processes
  • Multi-language and multi-currency support
  • Integrating digital marketing best practices
  • Utilizing the right technology stack, including programming languages, frameworks, and databases

With the global market size projected to hit around $57.22 trillion by 2032, eCommerce has firmly established itself as an integral part of the global economy. Businesses across various industries hire eCommerce app developers to ensure their brand’s relevance and growth in the future market.

The importance of hiring top eCommerce app developers is perfectly illustrated in McDonald’s case study:

A globally recognized food chain wanted to improve its mobile presence worldwide to provide its customers with a superior and more personalized ordering experience. In response, Apptunix developed a custom mobile app with a comprehensive product management system that allowed multiple orders to be placed simultaneously. The solution integrated advanced analytics so McDonald’s could track performance and bring data-driven decisions. McDonald’s achieved the following results:

  • 64% increase in the number of orders
  • 54% improvement in customer satisfaction and engagement
  • 13.56% boost in conversion rate
  • 5x boost in overall sales and ROI
  • 4.5 million downloads across Android and iOS platforms

Should I develop a mobile app or a website for my eCommerce business?

You should develop a mobile app and a website for your eCommerce business because both can contribute largely to your goals.

While websites are the foundation of your business’s digital presence, having a mobile app makes your products accessible to your audience 24/7. Moreover, apps load much faster, have user-friendly features, and can work offline.

While the desktop is vital for eCommerce, it is worth noting that 58% of all purchases are completed on mobile. Furthermore, eCommerce stores receive 60.66% of traffic from mobile users, compared to a modest 37.08 from desktop devices.

Looking ahead, the number of digital shoppers is expected to reach 2.77 billion by 2025 globally. In the US alone, 92% of consumers under 50 are most likely to purchase via mobile devices. This trend underscores the increasing importance of developing mobile platforms for the eCommerce sector.

What are the different kinds of apps developed by the top eCommerce development companies on DesignRush?

The different kinds of apps developed by the top eCommerce development companies on DesignRush are web and mobile applications, which can further be categorized in the following ways:

By the type of client:

  • Business-to-consumer (B2C) apps: Streamline the purchase by connecting businesses directly with customers.
  • Business-to-business (B2B) apps: These are software solutions designed for transactions between businesses. They usually have more complex integrations to optimize the commercial journey and operations.
  • Consumer-to-consumer (C2C) apps: Enable transactions between individual consumers. C2C platforms serve as intermediaries where individuals can post an item for sale, bid for products, or transact directly with the seller.

By the mobile platform:

  • Native apps: Developed specifically for one operating system (Android or iOS), these apps provide the best performance and UX. They use device hardware and software, providing seamless integration with other apps.
  • Hybrid apps: Developed using web technologies (HTML, CSS, and JavaScript) and then wrapped in a native app shell, these apps operate across multiple platforms from a single codebase. They can access device features through the native shell but may have slower performance and a less seamless UX than native apps.
  • Cross-platform apps: Created using frameworks like React Native or Flutter, these apps allow developers to write a single codebase that compiles into native code for both iOS and Android. These apps offer a performance and UX that closely mimics native applications, using the efficiency of shared code across platforms while maintaining a high quality in interaction and design.
  • Progressive web apps (PWAs): Blending the best of web and mobile apps, PWAs offer an app-like experience in a web browser. They're fast, reliable, and work offline, making them increasingly popular for eCommerce.

We can see a prime example of successful app development in the case study of Cubix, an eCommerce app development company with a track record of deploying high-value applications.

The eCommerce app developers were tasked to build an intuitive grocery delivery app for those in need through community support. Cubix built the app with user-friendly navigation, live mapping, and robust security, which produced the following results:

  • Over 5,000 user registrations
  • Nearly 2,000 grocery lists posted by recipients
  • 54% of grocery lists were funded by contributions
  • More than 12,000 grocery orders fulfilled
  • Year one revenue surpassed initial projections
  • Expanded partnerships and neighborhood support

What services do eCommerce app development companies offer?

eCommerce app development companies provide end-to-end services from market research, ideation, UI/UX design, QA testing, implementation, and integration to app maintenance and support.

The main eCommerce app development services include:

  • Ideation and product design: Ideation is the initial phase of the app development process; it involves finding the gaps in the market, the intended audience, and the problems the app aims to solve. Product design includes creating user personas, prototyping, and UI/UX design. It ensures the product is user-friendly, viable, and feasible.
  • Mobile app development: This service focuses on creating applications for mobile devices, including smartphones and tablets. Mobile app development can be divided into native, cross-platform, and web apps (responsive websites that look and feel like an app). The service includes front-end (client-side) and back-end (server-side) development.
  • Software development: This service includes the creation, design, deployment, and maintenance of software solutions. It covers mobile app development and other types of apps, such as web apps, desktop applications, and system software.
  • Digital transformation: This service uses digital technologies to improve the shopping experience, operations, and customer interactions. It can include integrating AI for personalized shopping experiences, adopting mobile-first approaches, using social media channels for marketing, and big data for customer insights.
  • Cloud services: Cloud services offer scalable, flexible, cost-effective solutions for hosting online stores. Cloud platforms enable eCommerce apps to handle spikes in traffic during sales or holiday seasons without compromising performance.
  • Blockchain services: Blockchain improves the security and transparency of online transactions, making payments safer and preventing fraud.
  • Data science and analytics: This service provides access to more complex insights that can help in faster decision-making with reduced risk. It utilizes disruptive technologies such as business intelligence (BI), data warehousing, data visualization, big data, and supply chain analytics to give a more accurate forecast about your business.
  • DevOps: Ensuring that your app stays on top of user demands, bugs, and updates, DevOps sets you apart from the competition. It is done through the CI/CD DevOps models or continuous integration (CI) and continuous deployment (CD). It automatically allows the app to update without crashing, reducing costs and downtime for the business.

How much does eCommerce app development cost?

eCommerce app development costs between $5,000 to $500,000, depending on the app’s complexity. It gets more expensive the more features and functionalities you add.

Here is how the pricing varies with the app’s complexity:

App complexityAverage cost
Basic eCommerce apps$5,000 to $50,000
Mid-range eCommerce apps$20,000 to $120,000
Complex eCommerce apps$150,000 to $500,000

Price also changes depending on the mobile platform you opt for: 

Type of application by mobile platformAverage cost
Native apps (Android and iOS)$20,000 to $100,000
Cross-platform apps$25,000 to $60,000
Web apps$15,000 to $50,000
Hybrid apps$10,000 to $150,000

Here’s a breakdown of the factors affecting the application’s complexity and their approximate cost:

Factors affecting costAverage cost
Research and analysis$5,000 to $100,000
UI/UX design$10,000 to $200,000
Development$50,000 to $500,000
Payment gateway and API integration$1,000 to $10,000
Testing$5,000 to $20,000
App maintenance and support$1,000 to $5,000/per month 

On DesignRush, the top 50 eCommerce app development companies charge an average of $350/hour. Roughly 18% of the eCommerce app development services on DesignRush accept projects with a minimum budget of less than $1,000, while 2.6% require a $50,000+ minimum budget.

Why should I hire an eCommerce app development company?

You should hire an eCommerce app development company to leverage its expertise and resources and create a user-friendly, scalable, and secure online store.

They can elevate your online store by:

  • Boosting sales: eCommerce app developers employ a customer-centric approach, crafting apps that leverage insights from consumer purchasing behaviors. This strategy includes features like push notifications, personalized recommendations, and a seamless app experience, all of which drive increased engagement and ultimately, higher revenue.
  • Improving UX: By focusing on dynamic UI and UX design, eCommerce app developers can improve the shopping experience within your app. This includes integrating intuitive navigation, multiple payment options, and support for various languages, making the consumer’s journey through your app more enjoyable and efficient.
  • Elevating brand visibility: By optimizing your business for search engines through keywords, metadata, and structured data, eCommerce app development companies can enhance the visibility of your business in search engine results pages (SERPs) and digital marketing channels.
  • Buildng trust and loyalty: A seamless online shopping experience fosters a positive relationship with your customers. eCommerce app developers can enhance this relationship by rolling out regular updates to address user concerns, ensuring secure payment transactions, and managing data effectively, which in turn, builds customer trust and loyalty.
  • Unlocking new demographics: With Gen Z accounting for over $450 billion spending power globally, their shopping preferences cannot be ignored. Partnering with an eCommerce app development company can offer innovative solutions tailored to this young audience. Features like a sleek UI, personalized experiences, and a streamlined checkout process can help captivate these savvy consumers, unlocking new avenues for growth.

Suffescom Solutions’ example illustrates the value that an eCommerce app development company can bring to your business:

Mealed, a food-ordering mobile app, faced numerous challenges regarding customer attraction, SEO, marketing strategies, and revenue. To augment these challenges, Suffescom Solutions built an interactive customer management panel, multi-lingual food marketplace, in-app chat and calling features, and multiple payment gateways like PayPal, Stripe, and Zelle, among others.

Through this collaboration, Mealed achieved the following milestones:

  • Over 50,000 in-app orders, with a 56% increase in food orders within the first two months
  • 43% lower delivery costs
  • 56% increased return on investment (ROI) within three months
  • 25% increased customer base due to multilingual platform
  • More than 10,000 app downloads
  • 5.0 stars in Google Play Store reviews

How do I choose the best eCommerce app developers for my business?

To choose the best eCommerce app developers for your business, follow these steps:

  1. Define your goals: Identify what you want to achieve with your eCommerce app – increase brand awareness, streamline operations, or boost sales? This step is crucial because it will guide the entire development process and determine app features and design.
  2. List down app features: Create a list of app features and the integrations your app should include. Decide what platforms to focus on: iOS, Android, or a hybrid app?
  3. Research potential candidates: Find prospective eCommerce app development companies by browsing online directories like DesignRush. Filter options based on your specific requirements, location, and budget.
  4. Check their website: Explore the websites of these agencies to gain insights into their expertise, approach, and scope of services. It will help you assess their suitability for your needs.
  5. Request for a client portfolio and reference: Their portfolio will give you a deeper look at the eCommerce applications they have worked on. Reach out to their client references to discover their communication style, availability, flexibility regarding modifications, and overall work ethic.
  6. Explore reviews: Check authentic reviews on platforms like DesignRush or Google My Business to gauge clients’ experiences and satisfaction.
  7. Consider the location: Knowing the location of the eCommerce development company is essential, especially if you hire augmented staff. Consider the time zone alignment, the communication channels, and language and cultural barriers.
  8. Shortlist the candidates: Pick up to five agencies and communicate your intentions to work with them.
  9. Send a request for proposal: Send them an eCommerce development request for proposal (RFP) and ask for a project breakdown, including milestones, scope, schedule, costs, and other specific needs.
  10. Check the team members’ expertise: Asses the skill set of team members who will work on your project to understand their proficiency, creativity, and processes.
  11. Discuss the total cost of ownership (TCO): TCO includes development and post-production expenses for upgrades and maintenance. Balance your expectations and the available budget.
  12. Consider post-development support: Consider supplementary services, like ongoing technical assistance, server management, bug fixes, and updates, to fulfill current and future needs.
  13. Make a choice: Review contracts and select your ideal agency partner.

If you need assistance in choosing the best eCommerce app development companies, visit the DesignRush Marketplace. We'll connect you with the most suitable service providers – for free.

What questions to ask when hiring eCommerce app developers?

When hiring eCommerce app developers, ask these questions to ensure that you are choosing the right professionals for your project:

Its Relevant Background

  1. Which industries have you developed eCommerce platforms for?
  2. What are the top applications your team has worked on?
  3. Have you developed similar eCommerce apps? How did you differentiate them?
  4. Can you show us examples of your previous work?
  5. Can you provide client references?
  6. What certifications does your team possess?

Company Services and Processes

  1. What is your eCommerce app development process?
  2. Do you provide post-development support and maintenance?
  3. What technologies and tools do you use to build applications?
  4. What is your average timeline for developing an eCommerce app?
  5. How will the app be tested?
  6. Can you integrate third-party tools, websites, or apps?
  7. What key performance indicators (KPI) do you track?
  8. What precautions will you take to protect the privacy of the app idea while it is still in development?
  9. Do you offer post-launch support and maintenance services?

The Project

  1. Should we aim for native, hybrid, or progressive apps?
  2. Will you help us submit the app to the Google Play Store or App Store?
  3. How will you manage the modification requests during development?
  4. Can you give me direct access to the development project?
  5. Do I own the rights to the application code you developed?
  6. How much involvement will I have in the process?
  7. How will you handle the maintenance and updates of the project?
  8. How frequently will you update the app?
  9. How much will the total app development project cost? What pricing models do you offer?

What are the top eCommerce app development companies in the US?

The top eCommerce app development companies in the US are:

  • Apptunix
    • 4.5 stars on DesignRush (10 reviews)
    • Top clients: Droob, Banc reach, Celloux, Dinein
  • Trango Tech
    • 4.7 stars on DesignRush (7 reviews)
    • Top clients: OAKS, Khaity, KIA, Matchbox, Helpp
  • SparxIT
    • 4.9 stars on DesignRush (18 reviews)
    • 4.9 stars on Google (22 reviews)
    • Top clients: Vedanta, HP, Huawei, Motorola
  • Guru TechnoLabs
    • 4.7 stars on Google (41 reviews)
    • Top clients: Fog-H20, TutorSmart, Incarcerateus, HepCVet
  • TekRevol
    • 4.6 stars on DesignRush (19 reviews)
    • 4.4 stars on Google (15 reviews)
    • Top clients: QRoll, Smart Id, U-News, Talpool

Scroll up and uncover more leading eCommerce app development agencies that can build the perfect app for your business. All of them have been chosen based on successful projects, industry reputation, customer reviews, and team expertise. If you want to personalize your search, you can sort companies by location, budget size, hourly rates, and reviews.

About The Author and Expert Reviewer

Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.

Former Development Director

Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.