Yes, 歯科衛生士 / 国試対策 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.
歯科衛生士 / 国試対策 has several in-app purchases/subscriptions, the average in-app price is €133.32.
To get estimated revenue of 歯科衛生士 / 国試対策 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.