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
9,015 Companies-Rankings updated: August 21, 2026
All mobile app development firms on DesignRush have been assessed for their expertise, portfolio, and verified client reviews. Some listings may be paid.
Foxbox Digital, headquartered in Chicago, is a digital product agency that has been recognized with awards. We collaborate with clients of various sizes, from Fortune 50 companies to fast-growing startups, to design, develop, and launch digital experiences that succeed...
With over 14 years of experience, we design and develop software aligned with FDA, HIPAA, and ISO 13485 standards, focusing on digital health devices and services.
We believe in our responsibility to support healthcare systems worldwide, and we help develop web and mobile apps for medical IoT devices that...
Thought&Function is a product studio that leverages data to drive innovation. Our team is dedicated to assisting startups by providing them with product teams to develop digital experiences, analyze user behavior, and iterate to achieve product market fit. We collaborate with daring innovators to create...
We are DeSmart, a tight-knit group of skilled, imaginative, and open-minded software professionals with a firm grasp of both business and technology who are based in Poland...
Continuous deliveries are provided by Appluex using the Agile&Scrum framework. We develop your concepts from scratch, offer development options, and adhere to delivery dates...
We serve as a strategic partner for our clients, providing expertise in mobile development, VR, AR, portal, and back-end IT systems. Our services encompass the entire delivery process, from UX/UI design to final product delivery, and we guide our clients through the design and development journey...
Devvela has been assisting businesses of various sizes and types to harness the power of technology since 2007. Our client base includes daring startups, local brick-and-mortars, as well as Fortune 100 enterprises...
Escola, a software company based in Poland, specializes in developing comprehensive projects. Our main objective is to meet the specific requirements of our clients. To achieve this, we rely on the knowledge and expertise of our team, who are continuously expanding their skills through training and...
At Neontri, we combine multidisciplinary expertise in business, software development, IT operations, IT infrastructure, security, and payments to find real-world solutions to problems...
We design and fully develop software solutions for your business.
We address digitalization and eCommerce. We are organized and prepared for new challenges; we work for both small and larger businesses...
The best team of mobile app developers in Germany!
The best team of mobile app developers in Germany!
At appsolute GmbH, we are more than a technology company; we are architects of innovation. Since our inception, we have been driving digital transformation through ingenious solutions...
9Y Agency is a software engineering and digital design company headquartered in Vienna, Austria. Our primary focus is on crafting modern web applications and mobile apps that offer exceptional user experiences...
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...
Appy Ventures is a group of seasoned entrepreneurs who serve as Tech Partners to businesses. Since 2014, we have been collaborating with aspiring entrepreneurs and ambitious companies to turn their ideas into reality. Our work spans various industries, with an emphasis on cutting-edge technology that can...
At our core, we specialize in planning, designing, and developing bespoke mobile and web products that drive measurable business outcomes. Our team is well-versed in all aspects of the software development process, from strategic planning and innovative user-experience design to development, pre-launch...
We are a team of expert app developers who have been building high-quality mobile and web applications since 2011. Our focus is on delivering great apps quickly, and we use the build-measure-learn cycle to continuously improve the apps we create. With over 140 successful app projects and numerous awards to...
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...
Plathanus Software & Design - Expertly Crafting Web and Mobile Apps
Plathanus Software & Design - Expertly Crafting Web and Mobile Apps
At Plathanus Software & Design, we have a multidisciplinary team that is always prepared to tackle any challenge. Our ecosystem is focused on developing people, encouraging cooperation, and promoting optimism in all our relationships. This creates a safe and rich environment that fosters new ideas and...
Apexive - Top-Notch Mobile and Web App Development in Record Time
Apexive - Top-Notch Mobile and Web App Development in Record Time
At Apexive, we are considered the "Special Forces" of software development. We pride ourselves on building technology in short iterations, utilizing the latest technology specifically chosen for each customer. We understand that a "one size fits all" approach simply doesn't work in this industry...
Blending strategic insights and thoughtful design with brilliant engineering, we create durable technical solutions that deliver digital transformation at scale...
UIG Studio - Crafting Mission-Critical Apps and Stunning UX
UIG Studio - Crafting Mission-Critical Apps and Stunning UX
Are you in need of building a new product from scratch or improving an existing one? No need to worry, we at UIG Studio have worked with companies of all sizes, ranging from enterprise brands to new startups, and we have the experience and expertise to help you achieve your goals...
VerifiedVerified by the DesignRush team for authenticity and credibility.
Top Flutter Development Company for Enterprises and Scale-Ups
Top Flutter Development Company for Enterprises and Scale-Ups
LeanCode is a full-cycle software development company designated as an official Flutter consultant by Google. With a team of 80+ tech experts, we build software solutions that drive change and help enterprises scale...
Apptology Limited is the leading mobile app development company in London. We specialize in creating Android, iPhone, iPad and Cross-platform HTML5 Mobile app design and development...
We provide global consultation, creation, and crafting services as necessary to meet the specific requirements of various organizations while adhering to the strictest safety regulations...
Appdrawn is a multi-award winning bespoke software development company based in London and Barcelona. We specialise in a consultancy led approach, delivering high quality bespoke digital platforms, business systems, progressive web apps (PWAs) and mobile apps...
Develocraft is a software development agency that offers end-to-end services to mid and small tech companies to bring their ideas to fruition. We understand that building a functional technology requires a diverse set of skills, and that's why we're here to help...
MadAppGang is a team of tech experts specialising in mobile technologies. We develop applications for iOS, Android, WatchOS, MacOS, tvOS, Android Wear, wearables, and provide IoT system integration services...
Our Mitigate Model software development tool ensures that nothing is left to chance!
We offer comprehensive software development services that cover the entire development life cycle, from requirements analysis to solution design and development...
8base Labs is a technology and services company that was founded by entrepreneurs and engineers who have built high-growth, venture-backed technology companies. Our goal is to simplify and improve the digital product development process for all innovators...
We are a company that provides technological innovation to meet the needs of our clients. With over ten years of experience in application development, software engineering, and process improvement, we help transform businesses through digitalization...
As a company specializing in strategy, design, and technology, we offer comprehensive support to organizations, spanning from research and product design to software development and lifecycle management. Our unique value proposition lies in our exceptional business acumen, appetite for innovation, and...
CML Team LTD is a global technology consultancy that builds holistic eA global technology consultancy called CML Team LTD creates comprehensive, end-to-end platforms and solutions for businesses and startups, end-to-end solutions and platforms for startups and enterprises...
BSGroup.eu (Spyrosoft BSG) is a technology consultancy specializing in media, OTT, and video streaming solutions, delivering custom software and multi-platform applications for broadcasters, content providers, and digital media brands worldwide...
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