You cannot simply "open" an IPA file on an iPhone. You need a sideloading tool to install it manually.

also mention using modified IPAs to bypass currency limitations. Compatibility

This is where the search term becomes critical. Players are constantly looking for an updated IPA file —a valid iOS application archive that can be sideloaded onto iPhones and iPads. In this article, we will explore everything you need to know: what an IPA file is, how to find a reliable updated version, the legal and security risks, and a step-by-step installation guide.

That said, trusted archival communities exist: