To find the version of your AirBrush app, you just need to access the main menu from the home page banner (icon in the corner) and tap "about us". To find out if you are using the basic version of AirBrush or the subscription; Please check out your homepage banner. If you are using the free version then the home page banner invites you to start your free trial as Premium (Android) or BLACK (iOS).
If you are subscribed and your homepage banner states that you need to start your free trial please check out.