Under normal circumstances, Apple's review of apps that contain in-transaction purchase systems and financial content is very strict, which not only requires various qualifications, but also is not easy to put on the shelves. Therefore, this kind of app must be careful in subsequent operations, and monitor whether it involves third-party information or how to handle disputes with users in real time.

Because of the above factors, these APP applications have basically been removed from the App Store by Apple. Therefore, this kind of application can choose to use TF signature to maintain stable operation and promotion to serve users well.

The second is social, shopping malls and other apps.

Apps such as social networking and shopping malls, their users are generally sticky, active and valuable. These types of apps are also more suitable for testflight, provided that the content of the app is not illegal. After all, TF signature has excellent stability, security and user experience, so it is also very suitable for flight test.

Third, there is no version number of mobile games, chess and other apps.

Considering the stability and safety of flight test. Therefore, for mobile games, chess and other apps without version numbers, testflight is undoubtedly a life-saving straw. Testflight can keep the APP running stably and safely and serve a large number of users.