I’m already a VIP user but I can’t access VIP features

First off, please make sure that you are using the same iTunes Account (Apple ID) that has an active subscription for VIP All Access to Color Therapy app. 

You can always tap on the "RESTORE" button to get your subscription restored.

If your subscription is not found / can’t be restored, please go to this link to check / manage your subscription: https://support.apple.com/en-us/HT202039