The suffixes in the filename ( unk , ok14 , user-hidden , bfi ) are typically metadata tags used by third-party app repositories or automated download managers:
: Sometimes refers to "Brute Force Injection" or specific patching methods used in "cracked" or modified apps to bypass Apple's FairPlay DRM. Usage Context
: Databases that preserve older versions of educational software that may have been delisted from official stores.
: Often represent internal status codes or verification flags (e.g., "unknown" source or "OK" status from a specific scanner).
The app is compiled for 64-bit processors, which is the standard for all modern iOS devices (iPhone 5s and later). os90