Backbone One is the best way to play on the iPhone 15 lineup with

PLAY ANY CONTROLLER SUPPORTED GAMES: Responsive analog triggers, tactile buttons, and clickable thumbsticks for the ultimate mobile gaming experience.

BACKBONE One Mobile Gaming Controller for iPhone (Lightning) - PlayStation Edition - Turn Your iPhone into a Gaming Console - Play Xbox, PlayStation

BACKBONE One Mobile Gaming Controller for Android and iPhone 15 Series (USB-C) - Turn Your Phone into a Gaming Console - Play Xbox, Playstation, Call of Duty, Roblox, Minecraft, Genshin Impact

Backbone Holiday 2023 Lineup Includes Updated Universal USB-C Controllers for iPhone 15 and Android, New Backbone Cases, and More – TouchArcade

The Best iOS Gaming Controllers for iPhone in 2024

Backbone One Is Compatible with the iPhone 15 and USB-C

Backbone USB-C controllers will work with the iPhone 15 Pro

Backbone One review: The controller that Apple should have made for the iPhone

Backbone One Controller (with Lightning Connector)

New Backbone One Controller Brings a Console-Like Gaming Experience to iPhone - MacRumors

TouchArcade

Introducing Backbone One – PlayStation Edition, an officially licensed controller for PlayStation – PlayStation.Blog