AppTesters is a community and platform for people who sideload apps on iOS devices. It helps users discover, share, and install apps through a library of current releases from developers and modders, accessible by adding its repository to supported app managers such as ESign, Feather, GBox, AppDB, and FlekSt0re. The platform also offers app-related services and tools, including certificate purchases, app signing, scripting, and support resources.

A central offering is its lifetime Apple certificate, available for a one-time fee, alongside tools for managing certificate orders and downloads. AppTesters also presents the AppTesters App Store, an official project from its team featuring apps that undergo internal safety and reliability checks and are updated regularly. Akentis, its in-house app, brings order management, deals, and alerts together in one place, with web features and an emphasis on privacy. The brand describes itself as community-focused, says it does not sell personal information or track activity, and connects users through its Telegram community, help center, and newsletter.