| Use Case | Description | |----------|-------------| | | After modifying an app (e.g., with ios-deploy or similar tools), repackage ZIP as IPA for sideloading via AltStore, SideStore, or TrollStore. | | App reverse engineering | Unpack IPA → modify assets, code, or plist → re-ZIP → convert back to IPA for testing. | | Enterprise distribution | Internal apps built without App Store signing can be distributed as IPA via MDM. | | Legacy app archiving | Converting older projects stored as ZIP back to IPA for re-installation on legacy devices. |