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
435 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.
Meet Your Digital Design Team - All Under One Roof
Auxilium Technology has become a trusted full-service digital marketing agency in Gaithersburg, Maryland. We helped hundreds of businesses across industries achieve measurable growth through SEO, website design, software development, social media marketing, paid ads, and more...
Kellton is a publicly listed, CMMI Level 5, and ISO 9001:2015 certified global company, providing cutting-edge AI and digital transformation solutions and services in strategy, consulting, digital, and technology...
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...
Software development firm Melon was established in 2003. With more than 300 developers, we have offices in Kosovo, North Macedonia, and Bulgaria. With support from DevOps, QA, and UX/UI departments, our talent ranges from web to mobile...
Toptal is a highly respected network of elite talent available when needed. Our team of problem-solvers is committed to integrity, and leading companies turn to us for critical projects. We equip organizations with the tools to compete and succeed in a rapidly-evolving business world, boasting exceptional...
OceanoBe delivers innovative custom software solutions specialized in end-to-end delivery. We help customers worldwide to improve, create unique software, and test MVPs at a fast pace. Our team of exceptional people has in common 4 pillar values: innovation, growth, excellence, and openness...
Enterprises with AI, Data & Digital Engineering
GEGNAT is a global technology consulting and software engineering company specializing in Artificial Intelligence, Data Engineering, Master Data Management (MDM), Cloud Platforms, and Enterprise Digital Transformation...
Delivered growth at any stage of the product lifecycle.
Vokal provides above market growth returns for investments on digital products and growth optimisation. We help companies create repeatable and sustainable growth metrics at any stage of the product lifecycle...
Since 2009, Dom & Tom has built their reputation on designing and developing applications meant to build and scale digital businesses. From startups to enterprise clients, the apps we craft for our clients help them to be more profitable, efficient, and competitive in their markets...
We are UniRidge a solution agency that solves business challenges with technology. We create innovative software to help our clients become industry leaders...
Commit creates bespoke software and Internet of Things platforms for clients looking to create their next-generation products, offering innovative, end-to-end, cutting-edge technology solutions...
ustwo is a design studio specializing in digital product development, launching innovative products, services, and companies that have a significant impact on the world. Founded in 2004, we have partnered with leading brands worldwide and have established studios in major cities such as New York, Malmö...
RockIT is a digital product studio designing and developing software for businesses and governments. They work with startups to corporations, providing end-to-end services, including business analysis, customer journey mapping, UX/UI design, development, and launch. Their services include Mobile App...
The expertise at House of Apps, which includes user experience design, cloud / API integration, mobile security, engagement optimization, and continuous updates, brings innovative ideas to life...
We are a joint venture of international entrepreneurs and developers. We focus on providing the high level of software development services to our clients that match our German standards. It always results in a very strong, maintainable and reliable software and complete satisfaction of the clients.
The...
Driving Digital Impact, Powered by Motivational UX.
Smashing Ideas, founded in 1996, is a Seattle-based design and innovation agency partnering with Global 500 companies. With expertise in smart products and digital experiences, their unique Motivational UX process accelerates transformation and enhances user engagement...
Brimit is a provider of digital platform engineering and IoT development services
Brimit is a technology company that helps organizations create memorable user experiences, increase employee productivity, and improve sales and marketing. Brimit's Internet of Things solutions help businesses streamline their operations and enhance consumers overall quality of life...
Future Platforms produces user-focused technical solutions for corporate clients. Our services include strategy, user experience, design, development and quality assurance. We have a strong focus on mobile, but work across the digital landscape designing and developing web and mobile apps, responsive...
Dive into the future of commerce with NESTOSH - where innovation meets Salesforce Commerce Cloud excellence. From top-tier brands to multi-platform mastery, we reshape businesses through meticulous solutions, uniting strategy, design, and development. We don't just serve; we partner in progress...
Brand and Digital Experience Platforms That Matter
Propane is a San Francisco based brand, digital experience and platforms consultancy founded in 2003. The agency envisions, co-creates and builds brand and digital transformation platforms designed to deliver revenue, measurable outcomes and emotional connection (love)...
Proximity Lab is a digital product design firm with deep experience creating modern, customer-centered applications. We specialize in UX research, strategy and design...
STRV - Elevating digital products to the next level since 2004.
STRV is a team of over 200 experts specializing in software design and engineering. Since 2004, we have developed mobile and web solutions for a wide range of partners, including Porsche, Microsoft, Barnes & Noble, ClassDojo, The Athletic, Barry’s, Autodesk, and many more...
Instil is a 2022 Digital DNA Company of the Year winner, an AWS Select Consulting Partner, a certified JetBrains Training Partner, and an ISO27001 accredited company...
We offer the best software development services for companies of all sizes, including mobile app development, SaaS platforms, cloud-based services, and more...
Iversoft is a software development company that prioritizes mobile-first solutions to enhance business operations. The key to our success lies in our emphasis on people. We recognize that technology's value lies in its ability to serve those who use it...
Preezma is a leading software development company located in Eastern Europe, providing exceptional service to our partners worldwide. We pride ourselves on delivering high-quality results, thanks in large part to our successful long-term partnerships. Since 2013, we have successfully completed over 150...
United Virtualities Corp. (UV) is a specialized tech consultancy with practices in data, digital, and commerce, with particular expertise in Adobe Experience Manager and Salesforce Commerce Cloud...
We Put the Exponential Power of Immersive Learning in Your Hands.
At Talespin, we are dedicated to creating immersive tech solutions that will shape the future of business. Our focus is on building a foundation for the age of experience by discovering, developing, and deploying new immersive mediums such as Virtual Reality, Augmented Reality, and Mixed Reality...
Acklen Avenue specializes in building scalable digital products for businesses with big goals. Our team of agile software development experts is dedicated to creating clean code and simple user experiences. Through our heroic efforts and our clients' amazing product visions, we proudly deliver software daily...
Our Creative Portfolio Smarter Results Across the Web.
Design Sketchers is a comprehensive digital marketing service provider, dedicated to transforming your vision of online presence into a remarkable reality. Our emphasis lies in cultivating robust customer engagement strategies, ensuring an impactful and immersive online experience for your audience...
We started as an IT Outsourcing company for IBM USA, many large and small projects lasting from 2003 to 2023, with tools serving semi-conductor fabs in New York, Vermont, USA. Over the past 20 years we have expanded our IT Outsourcing services to almost every continent in the world...
Coderio helps companies of all sizes, from Fortune 500 to SMBs, across the Americas accelerate their digital transformation. Their services are tailored to accomplish objectives through expert knowledge, problem-solving, and streamlining deliverables...
Leading mobile app development company in India providing best app development services, android app development, Iphone app development, Flutter app development and Ios development services at affordable prices...
Novoda is a digital product agency that has been creating meaningful mobile products for brands globally since 2008. With a focus on collaboration, our expert teams help organizations of all sizes design, build, and scale mobile products that customers love. We have partnered with both startups and well-known...
We will work together to accomplish our goals, starting with analysis, continuing through concept development, testing, and implementation using a method you have approved...
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.