Observa: HRV & Recovery Score
iOS app by Antti Aittamaa. Health & Fitness · Antti Aittamaa
- Store rating
- 3 / 5
- Store rating count
- 2
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 2.0.2
- Listing last refreshed
- 2026-09-12
View the original store listing
Store description excerpt
Your Apple Watch has been taking notes all night. Observa reads them back. Every morning it turns what Apple Health already knows about you into one honest answer: how recovered you are, what your body is asking for, and whether today is a day to push. On your iPhone — and now on your wrist. NOW ON YOUR WRIST Raise your arm and the day is already there: your readiness, last night's sleep, and a short briefing written for the body you woke up in. Ask "should I train today?" and get one word back instead of a dashboard. Log a morning check-in before you've found your phone, a glass of water while you're still holding it, or start a workout from the watch itself. Five complications keep the number that matters on your watch face — and whatever your watch says, your iPhone says too. MEET YOUR BODY'S AGE Observa maps your cardio fitness, HRV, sleep, activity and recovery to the age at which the average person shares your physiology, then puts it next to the age on your passport. You get the full breakdown of what makes you younger or older, and you get to watch it move as your habits do. A wellness estimate, not a clinical or biological age. ONE SCORE THAT ACTUALLY MEANS SOMETHING A daily readiness score built from HRV, resting heart rate, sleep quality and training load — measured against your own baseline, not a population average. You always see which signals are pulling it up and which are dragging it down. No black box. SLEEP, MEASURED THE WAY A SPORTS SCIENTIST WOULD REM and deep stages, efficiency, sleep debt, consistency and timing. Observa scores not just how long you were in bed, but how much of it your body actually got to use — and where that's heading over weeks. WHAT YOUR HEART SAYS BEFORE YOU FEEL IT Stress scored from HRV, resting heart rate, sleep fragmentation and load. Advanced metrics including RMSSD, pNN50 and autonomic balance. ECG insights and atrial fibrillation burden when your Apple Watch records them — for anyone tracking POTS, Long COVID or dysautonomia. And if you have a menstrual cycle, your baselines move with it, because one fixed baseline lies about both halves of the month. THE PATTERNS THAT MOVE YOUR NEEDLE This is where Observa stops being a dashboard. The correlation engine reads weeks of your data and finds the associations that are actually yours: what that late workout does to your sleep, what one glass of wine costs you tomorrow, how stress shows up in your HRV days before you notice it. Surfaced, not buried. YOUR DATA NEVER LEAVES YOUR IPHONE No account. No sign-up. No cloud. No ads. No analytics. No "free with your data" trade. All you need is an iPhone and an Apple Watch — Observa reads what your watch already collects, and gives it back as something you can use. FREE & PREMIUM Observa is free to explore. The full readiness score, 30/90/180-day trends, the correlation engine, advanced HRV metrics, cycle-aware baselines, AFib burden and the complete widget and complication set come with a 7-d
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