Our industry experts listed the top app development companies for startups based on location, client testimonials, portfolios, hourly rates, team size and more. Outsource their leading services to deliver a great mobile experience to your new customers!
Best App Developers for Startups
245 Companies - Rankings updated: April 02, 2026
We evaluate every agency on DesignRush according to expertise credentials and client satisfaction ratings. Some placements are sponsored.
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
- New York City, New York
- Number of Employees
- Under 49
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 7 Projects Listed
Empowering Businesses with Custom App and Software Solutions
iQlance is a leading web &mobile app development company with a strong presence in Dallas, USA. With extensive experience in crafting and deploying innovative mobile applications and software, we focus on creating customer-centric product designs that deliver seamless user experience. [... see all IQlance Solutions reviews ]- Location
- New York City, New York
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 21 Projects Listed
Designing the Interface of Tomorrow
We are a top-rated web design, UI/UX, and web development agency with 10+ years of experience. Based in Kolkata, India, we serve clients worldwide, including the USA. Our expert team delivers cutting-edge websites, apps, digital products optimized for user experience, conversions, and brand growth. [... see all Design Studio UI UX reviews ]- Location
- New York City, New York
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $65/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 12 Projects Listed
A Global Design & Development Studio creating digital products with heart & brain.
Atomsix Studio is a Global Design & Development Studio that solves complex problems for 500 Fortune companies and upcoming rising startups. [... see all Atomsix Studio reviews ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 15 Projects Listed
An Experience Design Agency
Musemind design agency blends UX with design thinking and digital know-how. This is why our UI/UX designed projects is rooted in accurate, actionable insight. Well provide you with a mix of techniques, methodologies, and best practices customized for your audience and your business needs. [... see all Musemind reviews ]- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
Premium Software Development & Tech Recruitment Services
IT managed services, offshore team in Poland , Romania , and LATAM , highly-technological clients with ultra high satisfaction. [... see all DevsData Tech Talent reviews ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $55/hr
- Portfolios Count
- 15 Projects Listed
Venture Infrastructure for Scalable Value Creation
SoftTeam is an international IT services and talent-augmentation company operating across locations such as Ukraine, Estonia, Poland, Austria and the United Kingdom. The firm provides models such as IT staff augmentation, dedicated teams and out-staffing to support businesses across industries including [... see all SoftTeam reviews ]- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 10 Projects Listed
Shopify/Plus | Web Development | AI Development | UX/UI design | Custom Development
DigitalSuits is a full-cycle ecommerce agency with a focus on Shopify development and extensive expertise in AI development, web development, and custom software development. [... see all DigitalSuits reviews ]- Location
- New York City, New York
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects Listed
High-end development for mobile innovation leaders
Top rated software house that delivers mobile and web application for clients around the world. 11 years on the market, 100+ engineers, 250+ projects delivered. All aspects related to safety, confirmed by the ISO 9001 / ISO 27001 certificates. [... see all ItCraft reviews ]- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 13 Projects Listed
MVP & Product Development Company
We are a premier global agency specializing in MVP and and Product Development, empowering groundbreaking startups to bring their ideas to fruition through cutting-edge technology. [... see all Iotric reviews ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $10/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 10 Projects Listed
Software Outsourcing & Development | 500+ Active Clients
Founded in 2009 by Nacho de Marco and Paul Azorín, BairesDev provides top 1% tech talent to a range of clients, from startups to Fortune 500 companies. [... see all BairesDev reviews ]- Location
- New York City, New York
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 5 Projects Listed
An Award-Winning Agency With 13 Years of Expertise
Red Collar digital agency was founded in 2011, now the team consists of 100+ experts. Our two main service lines are web design and end-to-end development. We were announced the best agency in the world in 2017 and 2019 by CSS Design Awards and have twice won the Webby, the 'Oscar' of the Internet. [... see all Red Collar reviews ]- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 23 Projects Listed
Engineering peace of mind
At Vention, unparalleled customer care isnt just a promise its our mission. We blend personalized experience, unwavering attention to detail, and a genuine passion for your business, ensuring that every aspect of our collaboration is tailored to your success. [... see all Vention reviews ]- Location
- New York City, New York
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 16 Projects Listed
Software development company that delivers measurable results.
SparxIT is a trusted tech partner delivering expert web design and development, mobile solutions, and eCommerce development. We build custom digital platforms powered by AI, ML & IoT for startups to enterprises. Trusted by HP, Suzuki & Hisense. Lets shape your digital future. [... see all Sparx IT reviews ]- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $30/hr
- Portfolios Count
- 35 Projects Listed
Turning App Ideas into App Businesses Since 2007
We don't just build apps. We build app businesses that actually succeed, where 80% fail within their first year. For 17 years we've perfected what actually works, having launched 300+ successful apps, including one that hit 4+ million downloads in just 60 days with sub-$3 user acquisition. [... see all Dedicated Developers reviews ]- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Portfolios Count
- 27 Projects Listed
Not A Typical Dev Shop
datarockets is a development company consisting of 40 in-house developers working remotely from Canada and eastern Europe. Founded in 2014, they develop custom software and applications for startups and medium-sized businesses. Besides development, they consult entrepreneurs on product strategy. [... see all Datarockets reviews ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 19 Projects Listed
A Reliable Full-Service Software Development, Cloud, DevOps and QA Partner
Leveraging 30 years of excellence designing, developing, deploying and supporting world-class software solutions, Kanda Software has established itself as a trusted Software Development, Cloud Engineering, DevOps and QA partner for companies ranging from innovative startups to large enterprises. [... see all Kanda Software reviews ]- Location
- New York City, New York
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 16 Projects Listed
Building Products AI-Native Way
Talentica Software is a leading product engineering company that helps startups, growth-stage, and technology companies build end-to-end products and achieve business outcomes. The company has specialized in AI & Machine Learning, Generative AI, Data Engineering, Blockchain, and Big Data [... see all Talentica Software reviews ]- Location
- New York City, New York
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 7 Projects Listed
AI Solution Provider Company for Enterprise Growth
DigiPrima Technologies-Leading AI-driven software development, Generative AI, ERP Solutions, Custom Web and App Development, Data Visualization. we have successfully delivered 2,000+ projects across 40+ countries and 30+ industries, with 90%+ client satisfaction. Get 24 hours free development today! [... see all DigiPrima Technologies reviews ]- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 28 Projects Listed
Superior Business Solutions
Sigma Software specializes in developing software and is a globally distributed team of more than 2000 skilled IT professionals, spanning 12 countries including the USA, Sweden, UK, Canada, Israel, Singapore, UAE, Australia, Austria, Ukraine, and more. With a track record of over 20 successful years, we take [... see all Sigma Software reviews ]- Location
- New York City, New York
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 14 Projects Listed
Enterprise Grade App & Web Development Services
At RichestSoft, we don't just build apps; we create seamless digital experiences that automate businesses. As a leading Mobile App and Web Development Company, we partner with visionary companies to bring their ideas to life, blending their vision with our cutting-edge technical expertise to spark future [... see all RichestSoft reviews ]- Location
- New York City, New York
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects Listed
Cloud. AI. Development.
For 25+ years, Clarion helps enterprises, SMBs, and startups build, modernize, and scale software with results. [... see all Clarion Technologies reviews ]- Location
- White Plains, New York
- Number of Employees
- 250 - 499
- Portfolios Count
- 10 Projects Listed
Merging Cross-Platform and AI Chatbot for Businesses
OnGraph Technologies offers a wide range of services and solutions to businesses, including custom web and mobile app development, chatbot solution, AI-based solutions, and IoT automation. [... see all OnGraph Technologies reviews ]- Location
- New York City, New York
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 23 Projects Listed
Custom Software, Mobile Apps, Web Design, SEO, PPC, GA4
Armix Group is an NYC-based company specializing in Custom Software Development, Web Design, Mobile Apps, SEO, PPC, GA4/GTM to meet each business's unique needs. With over 18 years of experience, we assist companies of all sizes in navigating the ever-evolving digital landscape. [... see all Armix Group reviews ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $80/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 4 Projects Listed
Web Design + Digital Marketing Agency | 20+ Years Experience
Top Notch Dezigns® is a full-service web design and digital marketing agency that specializes in custom websites tailored to meet diverse business requirements. With a focus on boosting brands, increasing conversions, and generating leads. [... see all Top Notch Dezigns® reviews ]- Location
- New York City, New York
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $150/hr
- Portfolios Count
- 12 Projects Listed
Where Science and Technology Work for You
Abto Software is a full-cycle custom software engineering company, launched in 2007.With hundreds of delivered projects, we have earned the status of a trusted long-term software development partner for over 200 customers from North America and the EU. [... view Abto Software profile ]- Location
- New York City, New York
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $49/hr
- Portfolios Count
- 45 Projects Listed
We help business to scale!
AI & Software Development Agency. We deliver solutions across FinTech, HR & Recruitment, SportsTech, Healthcare, eLearning and others. [... see all Uinno reviews ]- Location
- New York City, New York
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $45/hr
- Portfolios Count
- 13 Projects Listed
AR, VR and AI Agency.
We are an award-winning AR, VR and Metaverse agency working with some of the world's largest brands as well as SME's and startups. Some of our most notable clients include: Microsoft, Peugeot, Best Buy, Citroen, Ford [... see all Takeaway Reality reviews ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Portfolios Count
- 7 Projects Listed
Don't just grow, soar.
Americaneagle.com is essentially a one-stop shop offering a comprehensive range of options for anyone wishing to thrive in their online pursuits. A family-owned, privately held business with a proven track record of success and reliability is Americaneagle.com. [... see all Americaneagle reviews ]- Location
- New York City, New York
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $175/hr
Tech-Savvy of Your Business
Encyphers is a B2B digital transformation partner providing AI, Enterprise Platforms, Web & Mobile Engineering, Digital Commerce, Cloud, Data & DevOps, and Experience & Marketing solutions to enterprises across Retail, Healthcare, SaaS, Finance, and Manufacturing. [... view Encyphers profile ]- Location
- New Hyde Park, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 41 Projects Listed
The Result that Matters
We're striking digital experiences through second-to-none UI/UX design from SaaS to AI, from B2B to B2C. [... view Linkup Studio profile ]- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 33 Projects Listed
Innovative design and development
Mobikasa is a full-service global digital agency headquartered in New York, delivering high-performance web, mobile, and e-commerce solutions since 2011. We help brands scale through custom apps, scalable storefronts, and data-driven marketing, blending strategy, design, and technology. [... see all Mobikasa reviews ]- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 13 Projects Listed
We Make Pragmatic Interfaces for SAAS Products Growth
UITOP is a niche Design & Development Agency specializing in narrowly focused SaaS platforms. Vertical ERP, CRM, or industry-specific SaaS is what we can help with! [... see all Uitop reviews ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 13 Projects Listed
Developing the best solutions for you
We at Inventix believe in enhancing the world through app-driven experiences. [... see all Inventix Labs reviews ]- Location
- New York City, New York
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 18 Projects Listed
Full Stack Tech Consulting Agency
With 14 years of experience, a dedicated team of 120 professionals, and an impressive 4.7 rating on Google, we specialize in building and deploying world-class IT solutions that drive results. [... see all Imenso Software reviews ]- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Portfolios Count
- 12 Projects Listed
Build Your Intelligent Enterprise Business Applications
Fingent is a global custom software development company helping businesses turn their digital ambitions into reality. With over 20 years of experience, we specialize in building scalable, secure, and innovative technology solutions that drive operational excellence and business growth. [... see all Fingent reviews ]- Location
- White Plains, New York
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 5 Projects Listed
Transforming your business into a digital success story.
You collaborate with certified developers who stay aligned with the latest technologies and industry standards. We provide flexible and cost-efficient services, full transparency, and engineering excellence across modern web, mobile, cloud, AI, and ERP solutions. [... see all Redbee Software reviews ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 7 Projects Listed
We integrate, innovate, and elevate enterprise systems.
Intellectsoft, with 13 years of expertise, champions modernizing systems and enhancing app portfolios. Through our systematic development lifecycle, from planning to maintenance, we offer reliable, modern solutions. [... see all Intellectsoft reviews ]- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $80/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 7 Projects Listed
Top Rated Web Development Company in India
Promatics is an AI-powered web and mobile app development company building scalable, intelligent digital products. Our expert team blends design, engineering, and AI to deliver high-performance solutions with personalization, automation, and data-driven insights that drive real business growth. [... see all Promatics Technologies Private Limited reviews ]- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 9 Projects Listed
Powering Smart Digital Experiences Across Mobile, Software and Web
8ration drives digital innovation with 10+ years of excellence. As a leading Web Design & Development Company in the USA, we deliver powerful digital solutions across Web Development, Mobile App Development, Blockchain, AI Innovations, and scalable SaaS Platforms. [... view 8ration profile ]- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 29 Projects Listed
Great Design Is a Force of Nature.
Wolf&Whale is an award-winning design studio bringing together the senior experience across UX/UI design, branding, copywriting, and development without the excess. So you get the deep knowledge that comes with experience at places like Apple and Netflix, but a flat structure so the knowledge can be put into [... see all Wolf&Whale reviews ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 4 Projects Listed
Making Things Easier
Synthesizing Modern Trends with Contemporary Approaches [... see all Virtue Xolutions reviews ]- Location
- New York City, New York
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 8 Projects Listed
Anchored by Innovation
Since 2016, Anchor Points has crafted digital solutions that inspire and perform. We specialize in Website Development, Digital Marketing, Drupal, WordPress, and Custom Web Apps, blending creativity and strategy to drive results. [... see all Anchor Points reviews ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 8 Projects Listed
Bold Ideas Wait For No One
Varritech is an AI-powered development agency that delivers high-quality digital products 5x faster than conventional timelines. With Varritech, you get rapid development, personalized customer service, and apps that grow with your business. Plus, our AI continuously learns, ensuring your app stays [... see all Varritech Development Services reviews ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $1,000 - $10,000
Bringing Innovations In Technology And Passion For Excellence
B2C Info Solutions is a premium digital technology company that provides end-to-end product engineering services. We leverage the power of experience design, cutting-edge engineering and cloud to build disruptive web and mobile Applications and enable digital transformation for businesses. [... see all B2C Info Solutions reviews ]- Location
- New York City, New York
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 12 Projects Listed
UI/UX Design and Growth Marketing Company
Tenet is a top UI/UX design, web development, and growth marketing company helping brands achieve digital transformation. With over 450 projects completed across 15+ industries, including healthcare, retail, and tech, Tenet delivers innovative solutions that drive measurable results. [... see all Tenet reviews ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
We Produce What You Think.
GwayERP is a custom software development company focused on delivering optimal business outcomes. Collaborating closely with clients, we ensure high-quality standards and provide tailored software solutions. Our approach involves creating software from scratch, aligning precisely with your specifications. [... view GwayERP profile ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 2 Projects Listed
LEADING CREATORS OF THE BEST IMMERSIVE EXPERIENCES
Award-winning immersive studio delivering XR and AI experiences for global brands. [... view YORD profile ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 14 Projects Listed
We are not offering you a service, we are offering you a partnership.
The Smartest People In The World Work With SPBD. [... see all Small Projects Bureau Development LLC reviews ]- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 7 Projects Listed
Delivering Scalable Digital Innovation
Helpful Insight delivers cutting-edge AI, mobile app, and web solutions tailored for startups, SMBs, and enterprises. We combine technical excellence with a collaborative approach to build impactful digital products and enhance internal tools, driving innovation and growth for businesses of all size [... see all Helpful Insight reviews ]- Location
- New York City, New York
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
Why People Trust DesignRush
Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding startup app development companies. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.
Learn more about DesignRush Agency Ranking Methodology.
Sources
DesignRush sustains a directory of over 30,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:
- Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
- The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.
Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.
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.
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.
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