Yes, 风筝游戏琵琶松贝特 ZD 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.
风筝游戏琵琶松贝特 ZD is free.
To get estimated revenue of 风筝游戏琵琶松贝特 ZD app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.