Discover top USA mobile app development companies on DesignRush that build bespoke iOS, Android, cross-platform apps, and MVPs. Compare developers with verified portfolios and client reviews, renowned for their ability to achieve stronger user adoption.

List of the Best App Development Companies in the US

15 Companies - Rankings updated: September 03, 2026

Every mobile app development company featured on DesignRush is evaluated for technical capability, service scope, and verified client feedback. Some featured placements may be paid.

Expertise
Supplements
Budget
Sort by: Top Rated
United States × Supplements × Sort by: Top Rated × Clear Filters

  • Sapphire Software Solutions

    One-stop solutions for all web & app development needs.

    Sapphire Solutions is the best Web &Mobile App Development Company in India, USA offering reliable and affordable Web & Mobile App Development Services to businesses from startups to enterprises...

    Top Services:

    • Mobile App Development
    • Digital Marketing
    • Big Data Analytics
    Location
    Coral Springs, Florida
    Number of Employees
    100 - 249
    Average Hourly Rate
    $10/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed

    Sapphire Software Solutions Services

    • Mobile App Development
    • Digital Marketing
    • Big Data Analytics
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • American Express
    • Larsen & Toubro
    • Lafarge Holcim
    • CLP India
    • Adani
    • GFL
    • Bayer
    • ACC Limited
    • Ambuja Cement
    • Morris Garrages
    Data sourced from the agency's DesignRush profile

    Sapphire Software Solutions Reviews & Testimonials

    • RocKForD Sr. Sec. School
      RocKForD Sr. Sec. School Admin at Rockford School, Hosur
      5.0 ★

      Mobile App Development Review from RocKForD Sr. Sec. School

      We were quite pleased with our choice of Sapphire. They surpassed all of our expectations for an app development firm, as well as after-sales support and service. Sapphire created an Android application to handle attendance in addition to managing student payments, exam data, and student information. We can easily access information with this tool, and all records are preserved electronically, reducing the danger of human error.

    • Indian Public School Surendranagar
      Indian Public School Surendranagar Admin at Indian Public School
      5.0 ★

      Mobile App Development Review from Indian Public School Surendranagar

      The login help page for parents and schools can be provided by Sapphire, a web development firm. Parents can download Android or iOS apps to access the login site, which is accessible to schools. In case of any issues, parents can also contact the technical team.

    • Avinash Dave
      Avinash Dave Admin at SHREE MAHAVIR JAIN CHARITRA KALYAN RATNASHRAM
      5.0 ★

      Educational Review from Avinash Dave

      At the time, we were seeking for a business to create software for our Institute. Sapphire, a software development company, was able to meet all of our needs while working under time constraints after we found them.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    5.0 5.0 (55)
    4.8 4.8 (1012)

  • Genetech Solutions

    Lets build some tech together!

    Guiding and helping businesses worldwide build solutions that sell. Genetech is an award-winning custom software development company with almost 2 decades of experience in delivering top-notch tech services, including AI, IoT, Intelligent Apps, Cyber Security, and Tech Talent...

    Top Services:

    • Software Development
    • AI Development
    • Mobile App Development
    • Staff Augmentation
    • Cybersecurity
    • Show more
    Location
    Ann Arbor, Michigan
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    34 Projects Listed

    Genetech Solutions Services

    • Software Development
    • AI Development
    • Mobile App Development
    • Staff Augmentation
    • Cybersecurity
    • Web Development
    • WordPress Website Design
    • Software Testing
    • eCommerce Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Dearing Studio
    • Stubgroup
    • NIKOS
    • Global Nephrology Solutions
    • Le Bijou
    • Solutions 8
    • TheBlueFish.com
    • MicroElec Technical
    • 3PL Systems Inc.
    • My Boracay Guide
    Data sourced from the agency's DesignRush profile

    Genetech Solutions Reviews & Testimonials

    • Jason Stern
      Jason Stern President at Enlightened Media
      5.0 ★

      Web Design Review from Jason Stern

      This company is a pleasure to work with. They respond timely and have a true expertise in their field. We recommend them for any advanced website code, e-commerce coding, tracking or SEO related projects.

    • Griffin Joliboix
      Griffin Joliboix COO at The Basketry by Phina
      5.0 ★

      Web Development Review from Griffin Joliboix

      The team at Genetech did a great job helping us get our website back on track when updates were pushed through that we were unaware of. These updates caused implications that were problematic to our website performance at the most crucial time of the year for our sales, and their timely work helped out tremendously.

    • Ramy Hanna
      Ramy Hanna CEO at Trinity Design and Build LLC
      5.0 ★

      Web Design Review from Ramy Hanna

      Best team to contact with, Easy to communicate, They take u step by step to complete our project in an easy efficient way, Reasonable price, I recommend them

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.9 4.9 (16)
    5.0 5.0 (3)

  • Global Grid Agency

    Agile in Execution. Bold in Vision.

    We create world-class digital products, brands, and websites...

    Top Services:

    • Web Design
    • Digital Marketing
    • Branding
    • Web Development
    • eCommerce Development
    • Show more
    Location
    Fort Lauderdale, Florida
    Number of Employees
    Under 49
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    22 Projects Listed

    Global Grid Agency Services

    • Web Design
    • Digital Marketing
    • Branding
    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Digital Services
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • TuSimple
    • LIPSMART
    • Healthline Media
    • Prime Experiences
    • Health Channel
    • LA Legal Advocates
    • Harpers Bazaar
    • Shapes & Forms Studios
    • Premier Hospitality
    • Shelby Manufacturing
    Data sourced from the agency's DesignRush profile

    Global Grid Agency Reviews & Testimonials

    • Steven Mount
      Steven Mount Account Executive at J.T. Magen & Company Inc
      5.0 ★

      Branding Review from Steven Mount

      Global grid agency strategic approach included qualitative and quantitative research, a competitive analysis, and a thoughtful creative process -- blending art and science to deliver excellent results. The team was communicative, flexible, and timely, and they provided outstanding guidance.

    • micheal wright
      micheal wright Chief Medical Officer at Avant Mutual
      5.0 ★

      Branding Review from micheal wright

      After conducting a survey, the client found that 95% of respondents loved Global grid agency new branding and felt the messaging was believable and compelling. The team was full of highly skilled individuals who were dedicated to the project and invested in the clients success.

    • puspashree patra
      puspashree patra VP at Oasis Infobyte
      5.0 ★

      Branding Review from puspashree patra

      Global Grid Agency completed the deliverables, and their work received positive feedback from the client. Their organized and communicative approach resulted in a positive partnership. Furthermore, they offered a high level of customer service on top of their branding expertise.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.9 4.9 (12)
    5.0 5.0 (11)

  • Brainvire Infotech

    Hybrid App Excellence For All Business Sizes

    Ranked on Deloitte's Technology Fast 500 for two consecutive years, Brainvire serves retail, healthcare, automotive, and HRM clients from offices in Texas, Canada, Dubai, and Singapore. Its mobile development sits within a broader stack covering IoT, blockchain, AR, RPA, and cloud-native applications...

    Top Services:

    • Mobile App Development
    • Software Development
    • eCommerce Development
    • Web Development
    • Web Design
    • Show more
    Location
    Irving, Texas
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    39 Projects Listed

    Brainvire Infotech Services

    • Mobile App Development
    • Software Development
    • eCommerce Development
    • Web Development
    • Web Design
    • Big Data Analytics
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Southwest Airlines
    • Fox Sports
    • Dr Reddy
    • Trophy – Fabcars
    • AVATCO INC
    • HVACDirect
    • Ajmal Perfumes
    • Alokozay
    • Landmark
    • Alghanim
    Data sourced from the agency's DesignRush profile

    Brainvire Infotech Reviews & Testimonials

    • Rose Charlotte
      Rose Charlotte Chief Technology Officer at UUUM
      5.0 ★

      Mobile App Development Review from Rose Charlotte

      Branvire Infotech demonstrates professionalism, a keen eye for detail, and is user-friendly. For an overseas company, effective communication is vital, and it has showcased exceptional prowess in this area. (Verified via email)

    • Elsa Schneider
      Elsa Schneider Lead Project Manager at HKLO
      5.0 ★

      Mobile App Development Review from Elsa Schneider

      Their ability to understand and meet our requirements has been truly impressive. Their timeliness and capacity to generate accurate estimates were especially instrumental in our success.

    • Angela Caldwell
      Angela Caldwell Chief Project Head at PRTC
      5.0 ★

      Mobile App Development Review from Angela Caldwell

      Brainvire had a good understanding of the scope and getting the app to function as I wanted. They work very hard and are incredibly patient with me.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.8 4.8 (24)

  • Sunrise Integration

    Keep Your Business Competitive in an App-Connected World.

    Expert website design and development - mobile application development - API integration: we do it all! Your online presence can't be left to just anyone. We are an agile-focused agency with a high client satisfaction rate. Whatever you need to build to scale your business - we'll help you build it the...

    Top Services:

    • eCommerce Development
    • Web Development
    • Web Design
    • UI/UX Design
    • Mobile App Development
    • Show more
    Location
    Pasadena, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    12 Projects Listed

    Sunrise Integration Services

    • eCommerce Development
    • Web Development
    • Web Design
    • UI/UX Design
    • Mobile App Development
    • ERP Consulting
    • CRM Consulting
    • Graphic Design
    • Product Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Bombas
    • Rebecca Minkoff
    • Pitney Bowes
    • DHL
    • Untuckit
    • Live Nation
    • Freshbooks
    • Morphe
    • Recharge
    • Maersk
    Data sourced from the agency's DesignRush profile

    Sunrise Integration Reviews & Testimonials

    • Noah Austin
      Noah Austin CTO at OkCapsule
      5.0 ★

      eCommerce Development Review from Noah Austin

      OkCapsule notes that it's rare to find a team like Sunrise Integration that combines technical expertise with exceptional people skills. Its mix of intelligence and charm was appreciated throughout the partnership. The objective was to transition the infrastructure of a custom e-commerce application to support headless commerce across different platforms. Impressively, Sunrise Integration completed the job below the estimated budget and faster than anticipated. (Verified via email)

    • Zev Herman
      Zev Herman Owner at Superior Lighting
      4.7 ★

      eCommerce Development Review from Zev Herman

      Superior Lighting hired Sunrise Integration because of its expertise in integrating and optimizing search algorithms with Algolia search. What the client appreciates most about the agency is its clear communication, quick responses, and transparent business practices. Moreover, Sunrise Integration consistently completes tasks, proactively addresses and resolves issues, and offers valuable suggestions. (Verified via email)

    • Madeline Seyler
      Madeline Seyler Digital Marketing & E-commerce Manager at 4moms
      5.0 ★

      Shopify Review from Madeline Seyler

      The client partnered with Sunrise Integration due to its profound knowledge and expertise in SAP, its ERP platform. The agency's meticulous planning and execution approach enabled the client to launch as planned. Beyond the launch, Sunrise helped in enhancing the client's internal processes. Its collaboration with the client's ERP consultant, especially in addressing and resolving unexpected challenges, was particularly commendable. (Verified via email)

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.8 4.8 (12)
    5.0 5.0 (9)

  • Gapstow

    Shopify Plus agency - Small US-based team of experts building amazing things with Shopify.

    Gapstow is your U.S.-based Shopify partner, offering custom development, strategic guidance, and fractional eCommerce leadership to brands. Let us fuel your brand's growth, streamline your eCommerce operations, and deliver the agile, personalized support you need every step of the way...

    Top Services:

    • eCommerce Development
    • Web Development
    • Mobile App Development
    • Web Design
    • Digital Strategy
    • Show more
    Location
    Strongsville, Ohio
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    16 Projects Listed

    Gapstow Services

    • eCommerce Development
    • Web Development
    • Mobile App Development
    • Web Design
    • Digital Strategy
    • UI/UX Design
    • CRO
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • MiLà Soup Dumplings
    • Copper Cow Coffee
    • ROAM Adventure Co.
    • Wulf's Fish
    • Savenor's Butchery
    • Reprise Health
    • Haven Home
    • Beard Coalition
    • Hawaiian Shaved Ice
    • Alaskan King Beds
    Data sourced from the agency's DesignRush profile

    Gapstow Reviews & Testimonials

    • Kate Strollo
      Kate Strollo Director of Ecommerce & Digital Marketing at Copper Cow Coffee
      5.0 ★

      Web Development Review from Kate Strollo

      I cannot speak highly enough of the team over at Gapstow. Shawn goes above and beyond to ensure value for his clients, as does his team of project managers and web developers. Pricing and timelines were always crystal clear, and the team overall is responsible and incredibly easy to work with. This is the first and only development agency I've truly ever felt comfortable working with. I would recommend them to anyone and would absolutely work with them again in the future.

    • Nicholas Mazzanti
      Nicholas Mazzanti CEO at ROAM Adventure Co.
      5.0 ★

      eCommerce Development Review from Nicholas Mazzanti

      An Irreplaceable Partner in Our eCommerce Success The Gapstow Team has been an absolutely critical component of our Shopify operations. From advanced inventory management to custom features across multiple stores, theyve handled every challenge weve thrown at themflawlessly. Their integrations with Google Sheets, Amazon, fulfillment software, and NetSuite have streamlined our entire backend. Beyond their technical skills, what truly sets them apart is their speed, responsiveness, and exceptional critical problem-solving ability. Communication is always clear, fast, and proactive, and we never feel left in the dark. If youre serious about scaling your eCommerce business, Gapstow is the team you want in your corner.

    • Tiffany Pierson
      Tiffany Pierson Global Logistics Manager at ROAM Adventure Co
      5.0 ★

      eCommerce Development Review from Tiffany Pierson

      This place is extremely professional and did such a great job for my company! Shawn is the best and is so responsive. I definitely recommend this company!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.8 4.8 (8)
    4.8 4.8 (25)

  • Protocloud Technologies

    Your Satisfaction, Our concern

    Why Protocloud Technologies? Award Winner - TOP E-COMMERCE DEVELOPERS 2023 Award Winner - Top Web Development Companies 2023 Over the last 12 years, developed 800+ projects Worked with Brands Wayfair, United Rentals, & many more. 30-60 day Free maintenance period after Go-live...

    Top Services:

    • eCommerce Development
    • Web Design
    • WordPress Website Design
    • Design Services
    • Mobile App Development
    • Show more
    Location
    Stockbridge, Georgia
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    38 Projects Listed

    Protocloud Technologies Services

    • eCommerce Development
    • Web Design
    • WordPress Website Design
    • Design Services
    • Mobile App Development
    • Web Development
    • Branding
    • Graphic Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Rigla
    • IT Factory
    • Brillianteers
    Data sourced from the agency's DesignRush profile

    Protocloud Technologies Reviews & Testimonials

    • David Marsa
      David Marsa Founder at Wellola
      5.0 ★

      eCommerce Development Review from David Marsa

      The team was very easy to communicate with. They responded very quickly. We used both Skype and Upwork for communication, and shared files via drop box. Quick response, they never hesitated to answer questions and rework some aspects of the website.

    • brent hicks Vice president at chemfax
      5.0 ★

      eCommerce Development Review from brent hicks

      The results are perfect, exactly what I requested. In fact, they even added design elements that I would have never thought of that made it perfect. All requested functionality was provided without any issues. Overall, they did a fantastic job.

    • Danika Dry Brand Coordinator at Clover & Cobbler
      5.0 ★

      Web Development Review from Danika Dry

      The team was a pleasure to work with and produced a top-notch website with outstanding professionalism and efficiency! We re-launched our website with the hopes of developing a stronger brand identity, and Protocloud's recommendationswhich covered both brand strategy and the overall websitehelped us achieve that goal. Any business trying to improve their website will benefit from my recommendation of them!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.8 4.8 (6)
    4.9 4.9 (76)

  • Prismetric

    Delivering Quality Products and Premium Services

    Prismetric is a leading technology partner delivering future-ready AI-driven software solutions tailored to modern business needs...

    Top Services:

    • AI Development
    • Mobile App Development
    • Web Development
    • eCommerce Development
    • IoT
    • Show more
    Location
    Jersey City, New Jersey
    Number of Employees
    100 - 249
    Average Hourly Rate
    $18/hr
    Portfolios Count
    21 Projects Listed

    Prismetric Services

    • AI Development
    • Mobile App Development
    • Web Development
    • eCommerce Development
    • IoT
    • Blockchain
    • Big Data Analytics
    • Software Development
    • Web Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Flyfood
    • DropDND
    • Yeeb
    Data sourced from the agency's DesignRush profile

    Prismetric Reviews & Testimonials

    • Hiren Chauhan
      Hiren Chauhan Director at Undisclosed
      4.0 ★

      ERP Consulting Review from Hiren Chauhan

      Good service.

    • Mike Roger
      Mike Roger Founder at Entrepreneur
      5.0 ★

      Mobile App Development Review from Mike Roger

      This is our second project with Prismetric. Almost done :) These guys are really smart. In addition development engineering they do extra advice which helps us to get advantage over our competitors. We are glad to receive professional services from the Prismetric team. Thank you so much for all supports. We recommend them to anyone looking for mobile app development services.

    • Robert Owusu
      Robert Owusu Review from Google
      5.0 ★

      Robert Owusu's Review Sourced from Google

      I have been working with Prismetric Pvt in delivering our high-tech solutions pilot, small, large, integrating and specific targeted research projects. Prismetric is a leading-edge software house with unbelievable expertise in semantic technologies for content and knowledge management in networked embedded environments. We have no hesitation whatsoever in recommending Prismetric to anyone who needs their services and we look forward in working with them in our new project to start soon.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.2 4.2 (2)
    4.6 4.6 (51)

  • Topflight Apps

    Your AI + Healthcare Development Partner

    Your healthcare development partner: We build digital health products that leverage generative AI to improve patient care, operation costs, and provider burnout...

    Top Services:

    • Mobile App Development
    • Web Design
    • Web Development
    • UI/UX Design
    • AI Development
    • Show more
    Location
    Irvine, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    4 Projects Listed

    Topflight Apps Services

    • Mobile App Development
    • Web Design
    • Web Development
    • UI/UX Design
    • AI Development
    • Product Design
    • Wearables
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Merck
    • Medable
    • Stanford Medicine
    • Cedars-Sinai Medical Center
    • Cleveland Clinic
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • JetSoftPro

    Agility. Performance. Scale.

    JetSoftPro comprises a network of tech professionals dedicated to helping your business achieve its technology objectives through exceptional software development and data science expertise. Our team is committed to delivering superior solutions that drive your success...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Design
    • VR/AR
    • Blockchain
    • Show more
    Location
    Denver, Colorado
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    12 Projects Listed

    JetSoftPro Services

    • Software Development
    • Mobile App Development
    • Web Design
    • VR/AR
    • Blockchain
    • IoT
    • eCommerce Development
    • Web Development
    • AI Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • CreatorIQ
    • Prezzo
    • Aspen Fields Services
    • Kodexe
    • Techno Care
    • Consolidate
    • Aftersow
    • Innocode
    • YogaDownload
    • Wyzoo
    Data sourced from the agency's DesignRush profile

    JetSoftPro Reviews & Testimonials

    • Iryna
      Iryna Review from Google
      5.0 ★

      Iryna's Review Sourced from Google

      I am happy to be a part of JetSoftPro team. This is the company where employees are highly valued and clients receive top-quality deliverables.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    5.0 5.0 (1)

  • Intetics

    Materializing Software Project Concepts!

    Intetics, established in 1995, is a prominent player in the IT software services domain. They offer a range of services, including Custom Software Development, Educational Software Development, Remote In-Sourcing®, and comprehensive digital technology solutions...

    Top Services:

    • Software Development
    • Mobile App Development
    • IoT
    • Software Testing
    • AI Development
    • Show more
    Location
    Naples, Florida
    Number of Employees
    500 - 999
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    51 Projects Listed

    Intetics Services

    • Software Development
    • Mobile App Development
    • IoT
    • Software Testing
    • AI Development
    • Big Data Analytics
    • Cloud Consulting
    • IT Services
    • Cybersecurity
    • eCommerce Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Encyclopaedia Britannica
    • Rupp und Hubrach
    • Cengage Learning
    • Mettler Toledo
    • Symantec
    • Desk-Net GmbH
    • Zimmer Biomet
    • Modlin
    • Adorama
    • SugarCRM
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile
    5.0 5.0 (3)

  • Charly Agency

    We Authentically Care & Deliver

    Want to boost your revenue? We create high-converting, future-proofed websites, apps, and brand assets...

    Top Services:

    • Web Design
    • eCommerce Development
    • UI/UX Design
    • Web Development
    • SEO
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    12 Projects Listed

    Charly Agency Services

    • Web Design
    • eCommerce Development
    • UI/UX Design
    • Web Development
    • SEO
    • Digital Marketing
    • Branding
    • Digital Services
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Gr8nola
    • Imdad
    • Dry Farm Wines
    • Aerial Canvas
    Data sourced from the agency's DesignRush profile

    Charly Agency Reviews & Testimonials

    • Webb Knudsen
      Webb Knudsen Review from Google
      5.0 ★

      Webb Knudsen's Review Sourced from Google

      Outstanding Experience with Charly Agency – A Game-Changer for Our Website! Working with Charly Agency was an absolute pleasure from start to finish. They didn’t just build us a website—they crafted a dynamic, visually stunning, and user-friendly digital experience that perfectly captures our brand. From the initial brainstorming sessions to the final launch, their team was incredibly attentive, creative, and professional. They took the time to understand our vision, offered brilliant insights, and executed everything flawlessly. Communication was seamless, deadlines were met with ease, and they always went the extra mile to ensure we were thrilled with the results. What truly sets Charly Agency apart is their dedication to excellence and their ability to turn ideas into reality with precision and flair. Their design expertise, technical skills, and problem-solving mindset made the entire process smooth and enjoyable. We couldn’t be happier with our new website, and we’re grateful to have found such a talented team to bring it to life. If you’re looking for an agency that combines creativity, professionalism, and top-tier execution, Charly Agency is the one. Highly recommend!

    • Natalia Postlethwaite
      Natalia Postlethwaite Review from Google
      5.0 ★

      Natalia Postlethwaite's Review Sourced from Google

      Great website agency and everyone was a real team player. Both Mauricio and Santiago were opened to hear and understand what the client needs and wants. Muchisimas Gracias from The Taco Stand y mucho exito!!

    • Alex Grove
      Alex Grove Review from Google
      5.0 ★

      Alex Grove's Review Sourced from Google

      Great agency for website and web application, would highly recommend. The team is professional, fantastic at response time, and understanding the needs of the client/project. They truly care about the product they are working on and go above and beyond.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    5.0 5.0 (21)

  • Brainstorm Solutions

    DigitALL Agency

    BRAINSTORM Solutions is a web development and digital marketing agency with offices in New York and overseas. Through collaborative innovation, we spark user-friendly solutions for products and services using the latest technology. Let’s create a storm together!...

    Top Services:

    • Digital Marketing
    • PPC
    • Content Marketing
    • Email Marketing
    • SEO
    • Show more
    Location
    Miami, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000

    Brainstorm Solutions Services

    • Digital Marketing
    • PPC
    • Content Marketing
    • Email Marketing
    • SEO
    • Event Marketing
    • Web Design
    • Web Development
    • Graphic Design
    • Mobile App Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Hyundai
    • Honda
    • LabQ
    • Suzi Levian
    • Ziaja
    • Iceberg Salat Centar
    • Amor Jewelry
    • Avant-Garde Salon & Spa
    • Choupette Kids
    • Easy Fast
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

  • Truefit

    Thrive with great software

    Truefit is a company that caters to a range of clients, from entrepreneurs to executives, who require new software products that will engage users and expand their business. We strongly believe that highly skilled and diverse teams are the best approach to designing and creating prosperous products...

    Top Services:

    • Mobile App Development
    • Software Development
    Location
    Pittsburgh, Pennsylvania
    Number of Employees
    100 - 249
    Average Hourly Rate
    $199/hr
    Minimal Budget
    $50,000 & Up

    Truefit Services

    • Mobile App Development
    • Software Development
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Green Applications
    • McDonald's
    • CMMI Institute
    • Matrix
    Data sourced from the agency's DesignRush profile

    Truefit Reviews & Testimonials

    • Josh Lucas
      Josh Lucas Review from Google
      5.0 ★

      Josh Lucas's Review Sourced from Google

      High quality software developers focused on methodically sussing out and delivering customer scope and specifications. Great community partners and interestingly, a values-focused technology company. Builds in modern stacks like Angular and Rails.

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
    Visit Website View Profile
    4.8 4.8 (11)

  • Blac Flag

    Innovation Through Automation

    Blac Flag is a full-service creative, development, and growth partner for brands that need more than pretty pictures. We design and build high-performing sites, apps, and automations, then back them with SEO, email, and paid media that actually drive revenue...

    Top Services:

    • Branding
    • Web Development
    • WordPress Website Design
    • Mobile App Development
    • eCommerce Development
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed

    Blac Flag Services

    • Branding
    • Web Development
    • WordPress Website Design
    • Mobile App Development
    • eCommerce Development
    • Package Design
    • Web Design
    • SEO
    • UI/UX Design
    • PPC
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Pursiano Law, LLP
    • Rabcup Corp.
    • IDEAL Electric
    • Bam & Stitch
    • Eighty Six Group
    • TWIGZ Labs Inc.
    • Abound Inc.
    • ListeningPost.AI
    • American Print and Supply
    Data sourced from the agency's DesignRush profile
    Visit Website View Profile

Mobile App Development Companies by City

Mobile App Development Companies by State

Mobile App Development Specializations in the US

Popular Services

Hiring Guide: How to Choose a Leading App Development Company in the US

How do businesses evaluate and compare mobile app development companies?

To choose the best provider for their needs, businesses typically evaluate:

  • Relevant experience: Proven delivery on similar app types, industries, or technical requirements, especially as many organizations outsource primarily to access specialized talent.
  • Portfolio depth: Evidence of real, shipped apps with measurable outcomes rather than design concepts alone, as 55% of organizations report difficulty tracking realized value from external providers.
  • Technical expertise: Ability to support required platforms, integrations, security, scalability, and AI-enabled capabilities, with 83% of executives expecting vendors to embed AI into service delivery.
  • Process and communication: A clear development methodology, milestones, and reporting cadence, given that 53% of organizations cite organizational change management challenges and 47% report issues integrating vendor services.
  • Pricing transparency: Well-defined hourly or project-based pricing with clear scope assumptions and change control mechanisms.
  • Post-launch support: Ongoing maintenance, updates, monitoring, and optimization to prevent value loss after launch.
  • Client feedback: Verified reviews and case studies that reflect delivery quality and reliability, particularly as 46% of organizations experience vendor performance issues during transitions.

How to differentiate a high-quality app from a functional one in an agency portfolio?

A stronger app stands out in an agency portfolio through evidence of product thinking, execution depth, and real-world performance, not just working features.

Watch out for:

  • Clear problem framing tied to a specific business or user need.
  • Polished user experience with intuitive navigation and refined interaction design.
  • Technical depth such as custom logic, integrations, or scalable backend architecture.
  • Performance signals including stability, responsiveness, and cross-device consistency.
  • Adoption or outcome metrics like usage, retention, revenue impact, or operational gains.
  • Evidence of iteration based on post-launch data or user feedback.

What risks should be contractually defined before signing with an agency?

Contractual risk

Clear contractual safeguards help set expectations, protect both parties, and prevent common issues that can arise during complex development engagements:

The most important risks to address include:

  • Scope definition and change control: Clearly defined deliverables, assumptions, and approval processes, as 38% of organizations report poor contract and change management.
  • Timeline and delivery risk: Milestones, dependencies, and remedies if delivery expectations are not met.
  • Cost overruns: Transparent pricing structures, payment schedules, and protections against unexpected charges, with 40% of organizations citing inadequate financial management as a contributor to outsourcing issues.
  • Intellectual property ownership: Explicit ownership of code, designs, documentation, and related assets upon payment.
  • Data security and confidentiality: Responsibilities for protecting sensitive data and handling breaches, especially as 29% of organizations report inadequate third-party risk management.
  • Quality standards: Acceptance criteria, testing requirements, and remediation obligations, aligned with the fact that 33% of organizations prioritize improved quality and performance when outsourcing.
  • Termination and exit terms: Conditions for ending the engagement and transferring work, assets, and knowledge, given that 46% of organizations report vendor performance challenges during transitions.

What questions should a business ask an app development agency before requesting proposals?

Before engaging vendors or requesting formal estimates, businesses benefit from clarifying capabilities, processes, and delivery expectations to ensure alignment and reduce risk:

Relevant Background

  1. What mobile app projects similar to ours have you delivered, and what outcomes were achieved?
  2. Which industries or app types do you have the strongest delivery experience in?
  3. What platforms and technologies do you most frequently work with (iOS, Android, cross-platform)?

Services and Processes

  1. Which stages of the mobile app lifecycle do you handle in-house?
  2. How do you approach discovery, requirements definition, and technical planning?
  3. What does your development, testing, and release process look like end to end?

Relevant to Your Project

  1. Who will be assigned to our project, and what roles will they cover?
  2. How do you manage scope changes, prioritization, and tradeoffs during development?
  3. What level of involvement and decision-making do you expect from our team?

How to find the best mobile app development company in the USA on DesignRush?

DesignRush features vetted mobile app development companies in the US, making it easier for you to explore providers that align with your project needs and spend.

High budget: $50,000+
  • Azumo
  • Railsware
  • Sketch Development Services
Low budget: $25,000-$50,000
  • Goji Labs
  • Cubix
  • Alty

Why Companies Trust DesignRush

Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding mobile app development companies in the USA. 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 40,000 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 before listing.
  • The agencies listed get notified of their profiles on the website, and they can choose to claim them 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.

FAQs About Mobile App Development Companies

What services does a mobile app development company in the US provide?

The core services of US mobile app development companies include product strategy and discovery, UI/UX design, development, quality assurance and testing, app store deployment, and maintenance and support. Some companies also offer system integration, internet of things (IoT) development, and AI product development. 

Which platforms do US mobile app development companies typically support?

Most US development companies support Android and iOS systems and cross-platform frameworks. Many also build cloud-connected backend platforms and tablet-specific, multi-device, and ecosystem-level experiences. 

StatCounter reports that that iOS accounts for 59.56% of the American mobile market share, while Android is at 40.46%. As such, it’s valuable to develop mobile apps according to your target users. 

How much does it cost to hire a US-based mobile app development company?

Mobile app development costs in the US are about $100-$200+ per hour or $15,000-$30,000 for basic projects. Apps that require more complex features and functionalities can reach $150,000-$500,000+ per project.  

What factors most influence mobile app development pricing?

Mobile app development pricing is primarily driven by a combination of scope, technical complexity, and delivery requirements. The most influential factors include:  

  • Platform choice, design requirements, feature set, and complexity  
  • Integration, security, and compliance requirements  
  • Timeline and delivery speed 

How long does it typically take to develop a mobile app?

Mobile app development generally takes about 2-3 months for basic products and over 12 months for enterprise builds. Here’s a breakdown:  

  • Simple apps: 2-3 months, which typically have limited features and integrations.
  • Mid-complexity apps: 3-6 months for custom UI/UX, backend, and third-party integrations.
  • Enterprise apps: 6-12+ months for advanced functionality, scalability requirements, and extensive testing.

Latest Trends Related to App Development

iPhone vs Android Statistics
App Development

iPhone vs. Android: 60+ Key Market Statistics Every Business Should Know

20,349
Mobile App Development AI Tools
App Development

I Tested the Top 5 Mobile App Development AI Tools: Here’s What Stood Out

38,793
No-Code App Builders
App Development

Top 5 No-Code App Builders Reviewed — Which One Came Out on Top?

26,958

Receive Free Proposals

For your project

1

Specify your budget, timeline and project requirements

2

Our experts curate a list of up to 5 most qualified candidate agencies

3

We connect you with them so you can choose the most suitable partner

Specify your requirements