Yes, 简单的拼写辅助+翻译支持 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.
简单的拼写辅助+翻译支持 is free.
To get estimated revenue of 简单的拼写辅助+翻译支持 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.