iOS has strict security "sandboxing" that prevents third-party file managers from executing or installing application code.
How To Manage and Download Apps (.ipa) without iTunes - iMazing zarchiver ios ipa
The classic PC software is also on iOS.
Never install an IPA unless you compiled it yourself from trusted open-source code or it comes from a verified developer like Riley Testut (AltStore). zarchiver ios ipa
Stay safe, and don’t let a familiar Android name trick you into installing unverified software on your iPhone. zarchiver ios ipa