Here is everything you need to know. An IPA file (iOS App Store Package) is the application archive for an iPhone or iPad app. Think of it as a .exe for Windows or a .dmg for Mac. When you download an app from the App Store, you are downloading an IPA file that is encrypted with your Apple ID.
If you were an iPhone owner between 2010 and 2013, you remember the golden age of .99-cent App Store gems. Among the clutter of flashlight apps and questionable soundboards stood a shining beacon of absurdity: by Ubisoft.
Reliving the Chaos: A Deep Dive into the Rabbids Go Phone IPA and Sideloading on iOS
For those who missed it, Rabbids Go Phone was less of a "game" and more of a digital prank toolkit. You controlled the manic, bwaah-ing Rabbids as they pranked an unsuspecting human via his smartphone. You could send fake text messages, make the phone ring with embarrassing ringtones, or make the screen "crack" digitally.