Yes, 电子鞭炮Firecracker 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.
电子鞭炮Firecracker is free.
To get estimated revenue of 电子鞭炮Firecracker app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.