At App66, we specialise in one thing — helping mobile apps reach their full potential.

We are a dynamic and focused team working exclusively in the mobile app ecosystem, offering a complete suite of services that cover User Acquisition, App Buying, and App Publishing. Whether you're an app developer looking to scale, exit, or publish your app to a wider audience, we have the tools, expertise, and network to make it happen.

Our journey starts with you – your dreams, your goals, and your app’s unique personality. We listen, brainstorm, and craft strategies that ensure your app stands out in the ever evolving app landscape. Welcome to App66 – where innovation, creativity, and your app’s success collide.

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We’re Different

The Latest in
Technology

We always work with the latest and greatest of the available technologies, to give you that enviable and uneven advantage over your competition.

Decades of
Experience

Our team consists of professionals with decades of experience in app development and promotion services. We bring you a unique blend of experience with youthful enthusiasm

Professional
Pride

We take pride in what we do and we like to boast about our achievements. We love you for giving us an opportunity to excel and beat our chests.

What We Do

App User Acquisition

We drive high-quality users to your mobile apps across iOS, Android, and Amazon platforms. Using data-driven strategies and performance marketing, we help you grow your user base and increase retention, ROI, and LTV.



App Buying

Looking to sell your app? We acquire mobile apps of all sizes with a streamlined, founder friendly process. Whether you’re looking for your next venture or simply want to cash out, we make selling your app fast, fair, and hassle-free.



App Publishing

If you have a great app but need help getting it in front of the right audience, we’ll handle the publishing for you. From market positioning to monetization strategies, we work with developers to launch and scale apps globally.

Why Choose Us?

  • Platform Expertise: We work across Android, and Amazon Appstore, ensuring broad reach and optimized strategies for each ecosystem.
  • Developer-Focused: We understand the needs of indie devs, studios, and publishers alike — because we’ve been in your shoes.
  • Performance-Driven: Everything we do is backed by data, transparency, and a drive to grow your app’s value.

We’re not just another mobile agency — we’re your long-term partner in app success.

Let’s Build the Future of Mobile Apps — Together.

Whether you're looking to grow, sell, or publish your app, App66 is here to help you take the next step.

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We are a fast‐growing company ‐ Driving growth for mobile apps through data‐driven user acquisition, strategic publishing, and app acquisitions on iOS, Android, and Amazon.

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Contact

© 2025 App66. All Rights Reserved.

Wellington Place, Leeds, LS1 4AP, United Kingdom