You cannot simply compress any random group of files, change the extension to .ipa , and expect it to install on an iPhone. iOS packages require a strict internal directory hierarchy.
Rename the file to your desired app name and change the extension to .ipa (e.g., Instagram++ .ipa ).
Converting ZIP to IPA: A Simple Guide for iOS Users If you’ve ever downloaded an iOS application manually or found yourself poking around in app files, you’ve likely encountered both and IPA formats. While they might seem different, they are actually cousins in the world of file compression.
