GPchecker is App to check the Stick, Trigger and Button function on Game Pad which connected to iPhone.
When you worry about Stick and Trigger input, please check the input value using GPchecker.
If Stick and Trigger input value reach 1.0 or -1.0, its function is OK.
Version history
2.0
2022-08-20
Update
-Show key print for each device
-Support Touch Pad
-Support Haptic feedback
-Support Adaptive Trigger
-Show position marker for Stick and Touch Pad
-Support Battery informaiton(*)
*Except small screen device
**iPhone SE 1st gen cannot show L2/R2 number
1.1
2021-04-26
Support game controllers which is supported by iOS 14.5.