Yes, TTQH TP.Thủ Đức 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.
TTQH TP.Thủ Đức is free.
To get estimated revenue of TTQH TP.Thủ Đức app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.