You’ll see an IPA file that is 30 MB to 2 GB. The real GTA 5 is over 100 GB. That tiny file is either empty, a redirect, or a different game renamed to trick you.
Instead of a direct IPA download, you can play GTA 5 on your iPhone or iPad using the following authorized methods: Cloud Gaming Services : Platforms like Boosteroid Gta 5 Ipa File Download For Ios