Yes, 公式計算 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.
公式計算 has several in-app purchases/subscriptions, the average in-app price is $60.00.
To get estimated revenue of 公式計算 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
4.5 out of 5
2 ratings in Taiwan