Developers take the original app file (IPA), decrypt it, and inject a dynamic library (DYLIB) or tweak. For example, a tweak might block API calls that serve ads or enable features usually locked behind a paywall.
The primary conflict in the Zeus.me story is the . Because the service relied on enterprise certificates, Apple would frequently identify and "revoke" these certificates, causing all apps installed via Zeus to stop working instantly. This led to a constant cycle of: Zeus getting a new certificate. Users rushing to install their apps. Apple revoking the certificate within days or even hours. Zeus going offline to find a new "leak." Current Status zeusme ios tweaked apps jailbreak full