Yes, 小夜灯-睡眠安神助手 is free to download, however it contains in-app purchases or subscription offerings.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
小夜灯-睡眠安神助手 has several in-app purchases/subscriptions, the average in-app price is ¥8.00.
To get estimated revenue of 小夜灯-睡眠安神助手 app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
4.49 out of 5
597 ratings in China