Yes, 最佳伴侣恋爱纪念日 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.
最佳伴侣恋爱纪念日 is free.
To get estimated revenue of 最佳伴侣恋爱纪念日 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.