Delta Emulator is the best GBA emulator for iOS developed by the same developers of GBA4iOS. It allows you to play games of Nintendo, Super Nintendo, Nintendo 64, GBC, and GBA directly on your iPhone. The user can download game ROMs, import them to DeltaEmulator, and enjoy playing their favorite games with the help of an on-screen control or an external controller.
It provides you with full control of the emulator, its appearance, its modes, and more for a more customized experience. The user can easily save and load the game performance at any time.