Metronome 3D Plus is not free (it costs 149.99), 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 Metronome 3D Plus is 149.99.
To get estimated revenue of Metronome 3D Plus app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.