Yes, 電卓 AI:計算器,数学の難しい問題を解く 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.
電卓 AI:計算器,数学の難しい問題を解く is free.
To get estimated revenue of 電卓 AI:計算器,数学の難しい問題を解く app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.