Yes, Flip Flap Run is free to download, however it contains in-app purchases or subscription offerings.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
Flip Flap Run has several in-app purchases/subscriptions, the average in-app price is EGP 758.56.
To get estimated revenue of Flip Flap Run app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.