Yes, Transistor has MFi controller support!
Transistor on iOS does support controllers and is compatible with the MFI standard.
BUILT FOR TOUCH: Transistor for iOS features the vibrant presentation and deep combat that Transistor is known for, with an intuitive new touch interface - or switch to Classic Controls with optional gamepad support.
IT'S YOUR TURN: Transistor seamlessly integrates thoughtful strategic planning into a fast-paced action experience.
FIGHT YOUR WAY: Configure the powerful Transistor with thousands of possible Function combinations to overcome any obstacle.
UNRAVEL THE STORY: Piece together the Transistor's mysteries as you pursue its former owners through a rich and atmospheric story.
Transistor supports MFi controllers.