COOL!!
学ちゃんオススメ。
Yes, Breaker 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.
Breaker is free.
To get estimated revenue of Breaker app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
学ちゃんオススメ。