big display problem with iOS 10.12.1.

I already have appkit on my iPhone and there is no problem but i boot today ampkit for mac , i have a iMac with iOS 10.12.1. this is a big display problem ! For example: the pedals are half cut , This does not show the amp head but just the buttons.

Chenetc about AmpKit - guitar amp & effects, v2.0.3