To create a "Deep Feature" related to an IPA for iOS in 2021 (the year was released), you should focus on Universal Links Visual Look Up integration
Troubleshooting in 2021: Many IPAs failed because of missing dependencies (e.g., MobileSubstrate updates). Using MTerminal to run ldid -S on the binary often fixed permissions. ipa ios 511 2021
Released around late 2021, this is a fork of checkra1n designed to run on iOS 5.x (specifically for the iPhone 4S and iPad 2/3 that have the A5 chip). To create a "Deep Feature" related to an
A Cydia tweak that forces the official App Store to let you download the "last compatible version" of an app if you have previously purchased it on a newer device. Installation Methods ipa ios 511 2021