Nice work, Carl! :)
Hope you had fun with it. I’m an HP user myself.
x36 is not free (it costs 4900.00), however it doesn't contain in-app purchases or subscriptions.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
The price of x36 is 4900.00.
To get estimated revenue of x36 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
Hope you had fun with it. I’m an HP user myself.