Yes, nAvePLUS TPMS 2.0 is completely free and it doesn't have any in-app purchases or subscriptions.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
nAvePLUS TPMS 2.0 is free.
To get estimated revenue of nAvePLUS TPMS 2.0 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.