很不错的hrv记录app
搭配Apple Watch测HRV还挺准的，可以直接看当前身体压力，还有睡眠、日常状态之类的记录，感觉用来调整作息、缓解内耗焦虑之类的情绪会很好用
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Is FeelWatch Legit?
FeelWatch:HRVStress&WatchFaces has limited verification signals. AppsHunter Legitimacy Score for FeelWatch is 53/100.
Based on 53 of 100 points across 7 verification signals from App Store and developer data.