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
9,013 Companies-Rankings updated: August 19, 2026
All mobile app development firms on DesignRush have been assessed for their expertise, portfolio, and verified client reviews. Some listings may be paid.
THiNC.technology develops custom software solutions for business. We specialize is mobile applications, software integration, and artificial intelligence...
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A Digital Agency For The Future
A Digital Agency For The Future
Design in DC engineers native and cross-platform apps that power businesses through prototyping, UI/UX design, m-commerce development, backend API development, QA, App Store submission, and optimization. Its impressive client portfolio includes Under Armour, the World Bank, and Virginia Tech...
Full Service - Mobile App, Software & Web Development Company
Full Service - Mobile App, Software & Web Development Company
Mystic Media is a full-service technology agency specializing in custom software, mobile app, web, and firmware development. Our experienced team works closely with startups, growing businesses, and enterprise organizations...
Transforming Health Journeys with Innovative Industrial Design Solutions
Transforming Health Journeys with Innovative Industrial Design Solutions
Karten Design (K:D) is an industrial product design company that has been operating for 35 years. We specialize in medical devices and digital health innovations, creating experiences that combine technology with a human touch...
We are a UX design innovation studio providing user research, interaction design and user testing services worldwide. Our work spans a broad range of markets including connected health, finance, software, e-commerce and government, and has helped transform products, services and organizations around the...
IGNIFI sparks and sustains successful brands in healthcare, wellbeing and active lifestyle. Our flexible, friendly attitude is coupled with the expertise and grit to get things done, and done well. If you could rely on high-quality creative, advertising and marketing services delivered on time, on budget...
HUSL Digital, fka UpTrending, is a full-service digital agency specializing in delivering high-value results for high-growth companies and organizations...
We are Somar Digital.Based out of Wellington, NZ, we specialise in web design & development, user experience, hosting, and digital marketing to create experiences that put people at the heart of everything we do...
Transparency, Excellence and Strategic Partnership.
Transparency, Excellence and Strategic Partnership.
For many years, TeckPath has served as a comprehensive tech and IT solution for businesses, promoting a culture of innovation and vast opportunities. Our managed IT services, backed by years of experience, painstaking preparation, and unwavering diligence, stand unparalleled in the industry. We provide...
Devedis is a Swiss-based software agency crafting custom web and mobile applications that launch fast, scale easily, and are built on clean architecture. Using our open-source Payload CMS and Next.js template, we deliver maintainable, high-performance solutions for startups and enterprises alike...
Intertech is a company specializing in various IT services, offering expertise in planning, architecture, design, implementation, development, quality assurance, testing, version control, documentation, and deployment of software projects...
At Sector 7 Apps, our team is highly capable and experienced in building apps. We’ve utilized and improved industry standard processes to develop our own unique and efficient concept-to-launch process...
SquareHook is a Utah based Cloud Operations and Development company. Through our IT-as-a-Service solution we can setup your cloud environments, develop new tools and manage your services to increase your business productivity...
Flower Press Interactive designs and builds websites, apps, and platforms. We take early ideas and bring them into a user-validated, production-ready state. From marketing websites to internal systems, we turn complex problems into products worth building...
Bespoke software solutions for SMEs to work smarter and win more.
Bespoke software solutions for SMEs to work smarter and win more.
At Red Eagle Tech we provide bespoke software development services for small and medium enterprises. Our solutions help SMEs work smarter, win more and dominate their industry. Friendly London-based team, fixed-price projects, no contract tie-ins...
Braver Technology has been serving RI and Southeastern MA since 1989, offering superior managed IT services with on-site, courteous, professional, and knowledgeable support that is simple and easy to use. Braver Technology is committed to raising the bar for community and customer service, driven by pride in...
We specialise in user-intuitive web design that works towards your specific conversion goals. Our team start with our signature creative briefing session to truly understand your brand and objectives. Your website can say more about your business than any other piece of marketing, and your customers come “...
Rainfall is a design studio specializing in brand identity, interactive experiences, and digital products. With a dedicated team and a personal approach, we craft thoughtful, articulate solutions that elevate brands and drive meaningful engagement...
The drive to explore. A passion for craft. Human at heart.
The drive to explore. A passion for craft. Human at heart.
We believe genuine personal relationships produce truly impactful work. We relentlessly focus on our culture by embracing a combination of work and life; empathizing and understanding our clients and partners; driving innovation with lean, agile processes; and continually improving so we can be the best at...
We build custom solutions that innovatively solve problems.
We build custom solutions that innovatively solve problems.
Ventive is a dynamic digital product and smart contract development company founded in Boise, Idaho in 2014, that solves problems by building custom solutions and partnering with innovators across industries like healthcare, finance, and real estate—streamlining processes through the perfect union of...
Technology partnership that grows with your business
Technology partnership that grows with your business
Exilent Systems is a business focussed group of technology consultants motivated to adopt scientific methods to create valuable and measurable outcomes for growing businesses. We do that by focussing on testability of ideas and products, setting performance goals early on and using data metrics to improve...
Engineered for Innovation. Built to Scale. Designed to Last.
Engineered for Innovation. Built to Scale. Designed to Last.
At North Star Technology, we engineer strategic digital ecosystems that empower businesses to scale, compete, and thrive. From custom WordPress websites to IT infrastructure, automation, and Microsoft 365 solutions, we create technology-driven strategies designed for long-term success...
StrategyByte is a Sydney-based digital marketing agency committed to driving measurable business growth through tailored, data-driven strategies. Our multidisciplinary team of SEO specialists, content creators, social media managers, and paid-ads experts work collaboratively to elevate your brands online...
Founded in 2003, AREA 17 is an independently owned digital product agency with studios in Paris and New York. Inspired by the brains visual cortex, we transform sensory data into meaningful digital experiences...
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Top UI/UX design, web design, and branding agency in San Francisco.
Top UI/UX design, web design, and branding agency in San Francisco.
Clay is a design and development agency whose mobile app work spans branding, UX, interaction design, and emerging tech, including AI, AR/VR, and Web3. In 16 years, its 78-person senior-led team has completed 529 projects for clients including Meta, Google, Stripe, Coinbase, Uber, and Sony...
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...
HSTK helps visionaries stack their digital teams and products with nimble and savvy consultants-not-coders and proven product development strategy to deliver successful custom software, web and mobile app solutions...
Get real help for your website or web-based app from business-focused experts. Looking for a professional partner to help get your website in line? You've found us!...
At POWER SHIFTER we simplify digital transformation shifting brands from where they are to where they want to be. Specializing in service design, experience design, web development, and software, we're a digital product design studio with a track record of launching highly successful products...
thoughtbot is your expert partner for product design and development.
thoughtbot is your expert partner for product design and development.
20+ years over 1,000 clients! thoughtbot is a design and development company that helps clients lead the way through better products, faster teams, and stronger growth...
Swiss web agency, designing and developing qualitative websites and web applications
Swiss web agency, designing and developing qualitative websites and web applications
Coteries.com is a Swiss web agency, expert in web design and development.We design & develop high-quality websites on Webflow and web applications with Reactjs/Nodejs.Our top-level expertises are appreciated for customers ranging from startups to SMEs.We also offer UX/UI Design and Mobile application...
Funsize, the design agency champion for product teams, collaborates with inspiring organizations to craft exceptional services, products and experiences. We uncover opportunities, bring new products to market, evolve digital services and explore the future through product design...
For most people, a wrecking ball is a symbol of destruction. We see things differently. For us, it's a welcome sign of better things to come. It represents the beginning of something new proof that change is in motion. Since 2007, Wrecking Ball is the place where smart, creative people want to work and where...
Everpeak Partners is a full-service Salesforce consulting partner dedicated to your success. We specialize in Sales Cloud, Service Cloud, Community Cloud, Pardot, and CPQ, offering custom development, system architecture design, integrations, and training to optimize your business processes...
Don't just think outside the box, break through the box.
Don't just think outside the box, break through the box.
We create custom websites for B2B & B2C companies by using growth-driven design because we value your customers' experience and believe your website is essential to achieving your business goals...
We Do Everything Ecommerce® AND WE MEAN EVERYTHING
We Do Everything Ecommerce® AND WE MEAN EVERYTHING
We are a full-service eCommerce agency, certified partner with Magento, Shopify, and BigCommerce.We do pretty much everything around eCommerce: solution architecture, web development, design, UX/UI, data migration, custom development (apps/modules), 3rd party integrations (ERP, CRM, PIM...)...
#1 Chromatix is an award-winning Melbourne web design and conversion agency helping businesses build trust, communicate clearly and convert more visitors into leads. Since 2009, we've combined the best company UX, strategy, web design and CRO to create websites that deliver real business outcomes...
Empowering businesses with intuitive software that grows as fast as your needs do.
Empowering businesses with intuitive software that grows as fast as your needs do.
Susco Solutions: Your growth-oriented .NET software partner. Specializing in intuitive solutions for mid-market enterprises. Collaboration and adaptability are our strengths...
At KDG, we're your full-service partners in growth and innovation. With our integrated approach to professional technology, accounting, and consulting services, we give modern leaders and executives control over their outcomes...
Interactive Storytelling Through Captivating Software
Interactive Storytelling Through Captivating Software
We are interactive strategists passionate about helping you engage your audience through fuller immersive user driven experiences. At spinTouch, it is our mission to deliver the most awe-inspiring interactive solutions with an emphasis on design to empower brands and enhance user experience...
Kinetech Cloud is a leader in government custom software development, championing commitment over fleeting trends. Our rapid application prowess enables swift product launches, with a firm belief in augmenting human intelligence. Offering strategic, agile solutions and consistent support, our clients see a...
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.