PS4 and PS5 owners can download the official PS Remote Play app. This allows you to turn on your console remotely and play GTA V directly on your iPad or iPhone screen.
The short answer is that . While many sites claim to offer a downloadable version of Grand Theft Auto V gta v ipa file
This is your best bet for playing GTA V specifically on an iPhone right now. PS4 and PS5 owners can download the official