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

10,902 Companies - Rankings updated: August 18, 2026

All mobile app development firms on DesignRush have been assessed for their expertise, portfolio, and verified client reviews. Some listings may be paid.

  • We are you nearshore technology partner

    We are you nearshore technology partner

    We are a digital production agency with 15+ of experience working with US agencies and clients such as Ferrari, Verizon, the Grey Group agencies, gov agencies like the CR government, ONGs like the UN; and startups around the world, enhancing their tech capabilities; by consulting, designing and dev...

    Top Services:

    • UI/UX Design
    • Web Design
    • Web Development
    • WordPress Website Design
    • eCommerce Development
    • Show more
    Location
    San Jose, Costa Rica
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $1,000 - $10,000
  • Deliver Perfect Software

    Deliver Perfect Software

    REDNAVIS is an up-and-coming Web and Mobile development company with a representative office in Wyoming (USA) and development center in Eastern Europe (Belarus).Since 2013 REDNAVIS implemented a large number of projects earning rank of Java experts. We also provide services such as Consulting, QA, UI/UX...

    Top Services:

    • Software Development
    • VR/AR
    • IoT
    • Mobile App Development
    • Web Development
    • Show more
    Location
    Minsk, Belarus
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 Projects Listed

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.

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