Top Mobile App Development Companies in United States

Mobile app development agencies specialize in building native iOS and Android apps, cross-platform applications, and progressive web apps that enhance user engagement and support business growth. These agencies offer end-to-end mobile app development services, including app strategy, UI/UX design, backend development, app testing, deployment, app store optimization, and ongoing maintenance. Businesses partner with experienced development teams to leverage modern technologies like React Native, Flutter, SwiftUI, and Kotlin Multiplatform, ensuring scalable, secure, user-friendly, and high-performance mobile applications tailored to evolving business and customer needs. Read More

81100

Companies Listed

252

Countries Covered

98%

Client Satisfaction

List of Best Mobile App Development Firms in United States

Last updated: Jul 16, 2026
eCodesoft Solutions Rating
5 (4 Reviews) Verified Profile
View Website

Ecodesoft Solutions is a full-service software development company helping startups, SMBs, educational institutions, and enterprises build innovative digital products and scalable technology solutions. Our team combines modern technologies, industry best practices, and a client-focused approach to deliver high-quality web, mobile, eCommerce, and... Read More About Ecodesoft Solutions

eCodesoft Solutions Founded Year
9+ Years
eCodesoft Solutions Employees
10 - 49
eCodesoft Solutions Location
India
eCodesoft Solutions Hourly Rate
< $25/hr
eCodesoft Solutions Project Size
$1,000+

Stingray Branding drives revenue into your business through effective lead generation, prospecting, and sales automation. We utilize the best tactics in digital marketing for web design, branding, graphic design, social media, SEO, and more to drive leads to your company, help you to prospect them, and then close sales utilizing automation. ... Read More About Stingray Branding

Stingray Branding Founded Year
18+ Years
Stingray Branding Employees
2 - 9
Stingray Branding Location
United States
Stingray Branding Hourly Rate
$50 - $99/hr

Stirling Brandworks is a full-service marketing agency that specializes in leveraging creativity and a vast knowledge of the digital realm to solve myriad of brand and marketing challenges for clients.

Read More About Stirling Brandworks

Stirling Brandworks Employees
10 - 49
Stirling Brandworks Location
United States
Stirling Brandworks Hourly Rate
NA

Stone Soup Tech is a full-service digital agency focusing on creative mobile, web, and software solutions. With a core team of senior developers, award-winning designers, and Ph.D. digital scientists, Stone Soup uses advanced technologies to solve problems, create compelling products, and grow companies.

Artificial intelligence is applied... Read More About Stone Soup Tech Solutions, Llc

Stone Soup Tech Solutions, LLC Founded Year
24+ Years
Stone Soup Tech Solutions, LLC Employees
50 - 249
Stone Soup Tech Solutions, LLC Location
United States
Stone Soup Tech Solutions, LLC Hourly Rate
$100 - $149/hr

Everything you need to deploy your projects

We provide complete solutions for all of your technology needs. From design to creation to server management, we can handle all aspects of getting your website or app up and running with zero hassle of having to communicate between different teams and companies.

Read More About Storm Code

Storm Code Founded Year
10+ Years
Storm Code Employees
2 - 9
Storm Code Location
United States
Storm Code Hourly Rate
$50 - $99/hr

What\'s the formula for success on the app stores? Our consultative approach combined with your next big idea.

NATIVE MOBILE APP DEVELOPMENT: Our team members specialize in native iOS and Android development, allowing you to take advantage of the unique strengths of each platform.

LEAN AND AGILE MVP DESIGN: We work w... Read More About Stormbreaker Studios

Stormbreaker Studios Founded Year
13+ Years
Stormbreaker Studios Employees
2 - 9
Stormbreaker Studios Location
United States
Stormbreaker Studios Hourly Rate
$100 - $149/hr

Strand Management Solutions, Inc. is an experienced software technology company that for many years has been empowering businesses to transform digitally. Our time-tested expertise in strategy building, IT development, and digital solution delivery provides advantages for organizations changing their internal and external operations ito operate... Read More About Strand Management Solutions, Inc.

Strand Management Solutions, Inc. Founded Year
47+ Years
Strand Management Solutions, Inc. Employees
2 - 9
Strand Management Solutions, Inc. Location
United States
Strand Management Solutions, Inc. Hourly Rate
$100 - $149/hr

Our customers love our projects, our passion and knowledge become an innovative ideas, here we present some of our mobile applications for iOS and Android and some system projects.

Read More About Strappberry

Strappberry  Employees
2 - 9
Strappberry  Location
United States
Strappberry  Hourly Rate
< $25/hr

Your business is unique, and we understand that. We aim to ensure that we work with each of our clients to fully understand their industry, customers, and goals to deliver a superior product in the shortest possible time. In today\'s environment, being first to market is more important than ever. And having a partner that truly understands your... Read More About Strategic Development Partners

Strategic Development Partners Founded Year
8+ Years
Strategic Development Partners Employees
2 - 9
Strategic Development Partners Location
United States
Strategic Development Partners Hourly Rate
NA

Strategic Resources International, Inc. is a digital innovation company, delivering cutting-edge IT solutions to enterprises across the world. Our disruptive technological products and services help companies discover the power of technology and optimize their IT processes, and thereby concentrate their internal capabilities on core-work to impr... Read More About Strategic Resources International Inc

Strategic Resources International  Inc Founded Year
28+ Years
Strategic Resources International  Inc Employees
250 - 999
Strategic Resources International  Inc Location
United States
Strategic Resources International  Inc Hourly Rate
$25 - $49/hr

Stratify Holdings, Inc. builds digital systems that make your business more agile, more reliable, and easier to scale. We’re trusted by startups, factories, and online-first brands for our clarity, technical depth, and support-first philosophy.

What We Offer

Stratify IMS – A high-speed, factory-grade inventory and material tracking s... Read More About Stratify Holdings, Inc.

STRATIFY HOLDINGS, INC. Founded Year
2+ Years
STRATIFY HOLDINGS, INC. Employees
2 - 9
STRATIFY HOLDINGS, INC. Location
United States
STRATIFY HOLDINGS, INC. Hourly Rate
$25 - $49/hr

Stream 9 is a digital agency providing modern website design, custom mobile apps and web development services. Make your business stand out with a website that is visually engaging and easy to use. Our custom software solutions can help your business operate more effectively. We have the skills and experience necessary to build and support whate... Read More About Stream 9

Stream 9 Founded Year
18+ Years
Stream 9 Employees
2 - 9
Stream 9 Location
United States
Stream 9 Hourly Rate
< $25/hr

Streamline is a digital innovation agency. We create connected products, mobile apps, and content management systems that increase user engagement, growth, and your bottom line. With years of experience partnering with start-ups, government agencies, SMEs, creative agencies, and the Global 500, we know how to help you conceive, design, and devel... Read More About Streamline Social

Streamline Social Founded Year
17+ Years
Streamline Social Employees
10 - 49
Streamline Social Location
United States
Streamline Social Hourly Rate
$100 - $149/hr

STRV is a top-tier, one-stop mobile app development shop working with leading startups from top US accelerators. Since 2004, we have developed more than 200 mobile apps for iOS and Android as well as frontend and backend solutions. With more than 130 rock star developers on our team, STRV is the preferred partner of dozens of top US startups whi... Read More About Strv

STRV Founded Year
22+ Years
STRV Employees
50 - 249
STRV Location
United States
STRV Hourly Rate
$50 - $99/hr

Stryv.ai is a global technology consulting and IT services company helping businesses modernize, optimize, and scale their digital environments. With delivery teams across the U.S., Canada, Mexico, Colombia, and India, we provide 24/7 support and agile execution across time zones.

We specialize in:

Our solutions enable faster product... Read More About Stryv Solutions Pvt. Ltd

Stryv Solutions Pvt. Ltd Founded Year
2+ Years
Stryv Solutions Pvt. Ltd Employees
50 - 249
Stryv Solutions Pvt. Ltd Location
United States
Stryv Solutions Pvt. Ltd Hourly Rate
$100 - $149/hr

STS Software is a premier software development company in the US, specializing in custom software and AI-driven solutions. Founded in 2012, we combine onshore expertise with efficient offshore development to deliver scalable, innovative applications that enhance business operations. Our services encompass custom software development, including E... Read More About Sts Software

STS Software Founded Year
14+ Years
STS Software Employees
250 - 999
STS Software Location
Switzerland,United States
STS Software Hourly Rate
$50 - $99/hr

Studio X helps both established companies and entrepreneurs with the development of tailor-made apps and systems . We have long and wide experience in the design and development of digital solutions and have therefore become a preferred supplier of heavier digital services. Our strength is working with projects right from con... Read More About Studio X As

STUDIO X AS Employees
2 - 9
STUDIO X AS Location
United States
STUDIO X AS Hourly Rate
NA

We are a team of seasoned experts with a wealth of experience in research, design, and engineering. Our background at Google/Apple/Amazon has equipped us with the skills to tackle even the most challenging software projects and deliver outstanding results. Whether you\'re a startup looking to establish a strong foundation or an enterprise seekin... Read More About Studio.init

Studio.init Founded Year
3+ Years
Studio.init Employees
10 - 49
Studio.init Location
United States
Studio.init Hourly Rate
NA

StudioLabs is a team of forward-thinking, diverse, highly-skilled, doers who take pride in every digital product we help create. When clients engage StudioLabs to design and build software, web applications, and mobile applications, they’re getting more than hired guns for development; they’re getting a true partner that can help push their digi... Read More About Studiolabs

StudioLabs Founded Year
23+ Years
StudioLabs Employees
10 - 49
StudioLabs Location
United States
StudioLabs Hourly Rate
$50 - $99/hr

We are in the business of building awesome Mobile Apps and; Design & Develop websites of any complexity.

1. iOS Development, Xcode, Swift, SwiftUI, Objective-C

2. Android Development, Android Studio

3. Hybrid Framework Mobile App Development, React Native, IONIC, Flutter, Kotlin

4. Web App Development, PWA, Andro... Read More About Subcodevs, Inc

SubcoDevs, Inc Founded Year
12+ Years
SubcoDevs, Inc Employees
10 - 49
SubcoDevs, Inc Location
United States
SubcoDevs, Inc Hourly Rate
$50 - $99/hr

Substantial is a digital product studio that’s here to make it matter. We offer our clients best-in-class software that lowers risk and creates faster outcomes through strategy, design, and development for web, mobile, and connected devices. From Fortune 500s to emerging start-ups to non-profits, our values-driven company helps by solving real p... Read More About Substantial

Substantial Founded Year
20+ Years
Substantial Employees
50 - 249
Substantial Location
United States
Substantial Hourly Rate
$25 - $49/hr

Mobile App Development FAQ