Sale on top of sale
Paying for an additional subscription for something you paid good money for is crazy
Yes, Device Tracker 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.
Device Tracker is free.
To get estimated revenue of Device Tracker app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
Paying for an additional subscription for something you paid good money for is crazy