Tap on Settings in the main menu. In the settings, tap on the green button at the top labeled "Manage Subscription." Here you will find all the available Pro and Member options to support us and unlock all features.
You can upgrade directly from Pro to Member at any time, and vice versa.
Current prices:
Pro Monthly: €3.99
Pro Yearly: €35.99
Member Monthly: €6.99
Member Yearly: €54.99