Yes, カボチャ ハロウィーン簡単な数学 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.
カボチャ ハロウィーン簡単な数学 is free.
To get estimated revenue of カボチャ ハロウィーン簡単な数学 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.