The subject should be asking, "Will the super-signed app installed on Apple's mobile phone read the mobile phone number?"

In fact, whether the application will read the mobile phone number has nothing to do with the signature method. You can check the user agreement in the app, which basically involves these security issues. Now many apps will automatically read the mobile phone number, which is really hard to prevent.

Super-signature is to use Apple's personal developer account to increase trust in the application, but it is not recommended to use super-signature now.

For details, please refer to this article "Stop buying super signatures at high prices" to reveal the current situation of super signatures.