Connect with vetted app development companies that build custom solutions designed to drive retention, engagement, and revenue. Filter agencies by budget, team size, and location to find the right partner for your project.
List of the Best App Development Firms
2,193 Companies-Rankings updated: September 03, 2026
All mobile app development firms on DesignRush have been assessed for their expertise, portfolio, and verified client reviews. Some listings may be paid.
Customized software for small and medium enterprises with a focus on top-notch engineering.
We're a technology company that's part of the "new economy." We combine our technical expertise in computer programming, custom software design and Internet services with other areas of business services to help clients develop new information technologies...
Let's Uncover The Next Big Cross-Platform App Together
CMOLDS is a custom software and mobile app development company specializing in digital transformation consultancy and products including websites, Android and iOS apps, mobile games, B2B portals, and SaaS...
Webpinn: The Definitive Choice for High-Performance Digital Solutions in Kenya. Listed among DesignRushs top web developers, Webpinn empowers brands through cutting-edge UI/UX design and elite performance architecture. We are the agency of choice for businesses ready to dominate their industry throu...
HitBerry Games - mobile games development studio that specializes in creating captivating, exciting, and interactive mobile games for various platforms...
Pragmatic DLT is an innovative software development company with a focus on technical consulting and fintech industry. At its core, Pragmatic has a solution-based, hands-on corporate culture. Partnership with our clients is our engagement philosophy...
HestaBit is a globally recognized web and app development company. Our focus is on building market-intelligent tech solutions for both startups and enterprises. We've helped 500+ projects. Our client base is robust and includes Bill and Melinda Gates Foundation and Grey Group, Singapore...
Website & Mobile Applications Development & Startups.
100+ projects, 11+ years experience
We create, promote and make a profit.
We specialize in e-commerce.
We work with both Waterfall and Agile.
Tech stack - PHP, Node.js, WordPress, Bitrix, React, Vue, ECMAScript, Figma, etc...
Hey! This is Startup House we specialize in developing innovations from ideation to full-scale applications, offering services that cover every aspect of the product development cycle...
Spiral Scout builds AI agent systems and production workflow automation for companies that need more than a proof-of-concept. 120+ engineers, 16 years of production engineering, certified Temporal Solution Provider, and creators of Wippy.ai. 612+ projects shipped...
Founded in 2007, Taazaa has a strong background in custom software development and AI implementations. We help mission-driven organizations build secure, scalable, and user-friendly digital products...
We serve good projects and provide guaranteed quality and customer care
At our company, we believe in being flexible and adaptable to our clients needs. We understand that every business is unique, and we work closely with our clients to deliver tailored solutions that meet their specific requirements. Our team is available 24 hours a day, seven days a week, to ensure that our...
VerifiedVerified by the DesignRush team for authenticity and credibility.
Next.js, Expo & Headless CMS Development Agency
We help growing companies modernize and scale their web platforms.
Our focus is building high-performance, SEO-ready, and content-scalable systems using modern web architecture...
We are Vitec and we help people worldwide not only to build IT Solutions from scratch, but to make them successful. As a 360° Software Development Partner, we take care of everything to design our partner's business models digitally...
We empower you to create customer-focused, digital products.
Based in Leicester, England, we are a team of digital specialists - designers, developers, project managers and digital fanatics. We have a diverse set of skills and we love the digital products we make...
Relevant Software is a leading software development company with a team of Golang developers that offers a range of services to help businesses design, build, and deliver software products...
Custom software solutions and innovative services crafted to meet your business goals.
A boutique software agency specializing in custom, innovative solutions to your unique requirements. Our entire development team is located in North America...
Providing Website Design, Custom App Development & Digital Marketing Services
Our passion is in providing the foundational tools young and growing businesses need to reach their full potential. From branding and marketing to web design and app development, we have the experience and expertise to get you there...
Seegno specializes in building digital products, with a creative team ready to conceive, design and develop any and all features required by a technological product or service...
As AWS Advanced Tier partners, Applify is a team of advisors, engineers, and designers dedicated to tackling complex business challenges with innovative technology solutions...
Resourcifi is a leading outsourcing company that specializes in providing high-quality and cost-effective solutions for businesses worldwide. With a team of skilled professionals and a client-centric approach, we offer a range of services tailored to meet diverse business needs...
Nearshore development company based in Zurich and Sofia, Bulgaria. We design, build and manage websites, mobile apps and social media campaigns for global companies across all sectors. We are Drupal Experts, Acquia Certified, Magnolia certified and iOS and Android experts...
ThirdEye Data Transforms Enterprises with Data & AI Solutions & Services. ThirdEye Data leverages Artificial Intelligence & Data technologies to build AI applications for enterprises worldwide...
Your Solid UX/UI Design Partner for Data-Intensive SAAS Platforms
We are about helping DataTech and FinTech businesses and startups level up their Product Design and driving Revenue Growth through our highly skilled UX/UI design team...
At AMgrade, we empower businesses - from innovative startups to established enterprises - in over 53 countries with custom software development and Staff Augmentation services...
At RightTech we follow a "you win, we win" philosophy.
Our approach ensures that increasing your companies revenue and ROI on all software and business systems is maximized as part of our journey together...
Working with KeySS Inc means you gain a partner with two decades of experience delivering exceptional App Development solutions. Clients trust our innovative approach to crafting 1000+ apps and web portals across platforms, ensuring quality and value that drive your business forward...
Solvd, Inc. is a renowned outsourcing solutions and engineering company specializing in Mobile, Web, and Quality Assurance solutions. With a global presence and a team of over 230 professionals, we serve VC-backed startups, tech companies, and enterprises across various industries. Our flexible approach...
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...
Timacum's team offers a wide range of services that could help your company in any stage of the business. The services we offer range from the discovery phase and consulting, through product development and implementation, all the way to SEO optimization and content writing. We specialize in creating modern...
Frenchy Digital is a minority-owned startup in Los Angeles that specializes in Mobile App and Web Development. Before our company was founded in 2019, our developers, designers, and project managers have delivered hundreds of web and mobile applications for satisfied clients from entrepreneurs and startups to...
Dev2Grow is one of the leading companies in the mobile and web development in Portugal. Our headquarters are based in Setúbal, overlooking the beautiful mountains of Arrabida and Troia and providing an inspirational environment in which our Dev Team work on a daily basis. With an exceptional team and over 8...
Groove Technology is a creative team of software professionals delivering high performance, scalable, secure technology for our customers worldwide. Our cutting edge software development services can help you optimise your resources, budget and delivery timelines to allow you to maintain your edge in the era...
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...
Anadea helps build a solid basement for your tech business. Both web and mobile, we guarantee you'll get the custom solution users will like and the market will accept. Together, we change the way people do things, for the better!...
Bearplus is an award-winning digital agency specializing in branding, websites, products, and systems development, helping worldwide businesses and startups transform visions into results-driven digital products...
A brand, design, and technology agency based in New York.
Scalability Inc. is a New Yorkbased design and technology agency specializing in digital platforms, web and software development, and AI-driven systems. We partner with biotech, healthcare, and innovation-led companies to build scalable, high-performing digital products...
An active contributor to the React Native and Flutter ecosystems, GeekyAnts builds native iOS, Android, and cross-platform apps with offline-first architecture, performance auditing, and AI integration baked in. Founded in 2006, it has 550+ engagements and counts WeWork and Darden among its clients...
Frequently Asked Questions About App Development Companies
What services do app development companies typically offer?
App development companies usually handle strategy, UI/UX design, development, testing, launch, and ongoing maintenance. Some also provide product research and app store optimization.
How much does it cost to hire an app development company?
App development agencies typically charge between$30,000 and $500,000+, depending on the scope and complexity of the project.
Typical custom app costs by scope include:
Simple app: $10,000 to $35,000
Medium-complexity app: $35,000 to $150,000
Complex app: $150,000 to $300,000+
How long does it take to develop a mobile app?
Most apps take around 3 to 7 months to develop, though the timeline depends on complexity, features, technology, and the development team. Changes in scope, integrations, and testing requirements can also extend the timeline.
Simple apps: a few weeks to 3 months
Medium-complexity apps: 3 to 7 months
Complex apps: 7 to 12+ months
How do I choose the right app development company?
Look at relevant experience, past projects, technical expertise, communication, and post-launch support. The company should also understand your business goals and target users.
What should I look for in an app development company’s portfolio?
Check whether they have built apps similar to yours and review the usability, design quality, and functionality of their work. Pay attention to projects in your industry or with comparable technical requirements.
Proposals