Yes, 抓拍相簿机构版 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.
抓拍相簿机构版 is free.
To get estimated revenue of 抓拍相簿机构版 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.