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Kolpolok Limited's work increased the client's monthly signups by 20%. The team demonstrated a deep knowledge of mobile app development and guided the client through the entire process. They also consistently delivered on time and were always quick to respond to the client's needs.

Kolpolok Limited has delivered the apps with a consistent UI experience across all platforms. The team has also provided a backend management solution to manage the apps and VPN servers. Kolpolok Limited has been responsive and dealt with any updates or changes in a timely manner.

Very very professional in what they do. Everything that was promised was also delivered and much more.

Awesome experience with them, they do and fix everything i ask , will work with them again.

Excellent quality of service. Technically sound and very professional team of people. I really appreciate your efforts to provide me the best solution.

Reliable, skilled VPN developers and great long term partners We’ve worked with Kolpolok on several major updates to our VPN product across iOS, Android, and desktop platforms, and have had a great experience.

The team is very technically strong, especially in areas like VPN protocol handling, WireGuard integration, and UI consistency across all platforms. They are able to quickly understand any issue we may face and have contributed meaningful solutions to both backend logic and in app behavior. What stands out most is their responsiveness and flexibility. Even if it occurs that we must modify the project scope, they adapt quickly and helped us meet our release timelines.