AppMarketSpy › Health & Fitness › StrapLog HRV
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App info
- Developer
- Ensembio, Inc.
- Category
- Health & Fitness, Sports
- Released
- Oct 21, 2026
- Version
- 1.0 (Oct 21, 2026)
- Price
- $0.99
- Size
- 26.6 MB
- Requires
- iOS 18.0
- Age rating
- 9+
- Languages
- English
In-app purchases
noneCurrent prices, App Store US.
About StrapLog HRV
Record every heartbeat from your chest strap: live HRV and DFA alpha 1, overnight sleep recordings, markers from your Watch, and files you own. StrapLog records every heartbeat from a chest-strap heart-rate sensor and keeps it safe on your iPhone. It shows heart rate and heart-rate variability live, saves each recording as a file you own, and lets you mark moments as they happen. StrapLog requires a Polar H10-compatible heart-rate sensor. Watches and wrist sensors do not connect. BEAT BY BEAT • Every RR interval the strap measures, stored as it arrives, so even a crash or a dead battery loses almost nothing. • Live heart rate, RMSSD and DFA alpha 1, with artifact percentage so you know how clean the data is. • Charts of HR, alpha 1 and RR that you can pinch from one minute to the whole session. SLEEP AND MORNING READINGS • Overnight recordings that stop themselves at your wake time,…
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