Yes, AI万能写作-写作机器人 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.
AI万能写作-写作机器人 is free.
To get estimated revenue of AI万能写作-写作机器人 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.