Yes, 顷松 - 冥想睡眠减压好伴侣 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.
顷松 - 冥想睡眠减压好伴侣 has several in-app purchases/subscriptions, the average in-app price is $17.36.
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