To make a Premium subscription to have access to all features is quite simple:
- From the Mobills main screen, tap the More (...) button in the lower right corner;
- Tap 'My Profile' at the top of the screen;
- Look for the 'Get Mobills Premium' option;
- Confirm with your digital or App Store password to make the purchase.
Your Premium days will be automatically updated on the profile screen, under your email and photo.