AppSync Unified is a tweak that allows users to freely install ad-hoc signed, fakesigned, unsigned, or expired IPA app packages on their iOS devices that iOS would otherwise consider invalid.
AppSync Unified can be used to downgrade or clone installed apps, to download fakesigned IPAs (often emulators), and also to assist in the development of iOS applications using Xcode 6 or below.
Download AppSync Unified tweak from the official GitHub Releases, where you can find not only the source code but also compiled versions of the tweak. Added support for "rootless" mode jailbreaks. Users using the Dopamine jailbreak may encounter