Zone 2: Heart Rate Trainer
iOS app by Jung Soon Shin. Health & Fitness · Jung Soon Shin
- Store rating
- 0 / 5
- Store rating count
- 0
- Download price
- Free to download
- In-app purchases
- Unknown
- Version
- 2.2.1
- Listing last refreshed
- 2026-09-10
View the original store listing
Store description excerpt
Zone 2 training is the science-backed foundation of mitochondrial health, VO2 Max growth, and longevity. But "Zone 2 minutes" alone don't tell you whether you're actually building a longer healthspan. Zone 2 Longevity Coach computes a composite Longevity Score (0–100) from four weighted dimensions — Zone 2 minutes (40%), sleep (30%), VO2 Max (20%), and resting heart rate (10%) — pulled directly from Apple Health. Every week, an AI coach reads your data and produces a personalized summary plus three recommendations that are deliberately biased toward your weakest dimension, so each action moves your score the most. WHAT'S INSIDE • Composite Longevity Score with weighted breakdown across the four pillars • Personalized Zone 2 heart rate range via the Karvonen method (resting HR + age) • Weekly AI coaching summary written specifically against your week's data • 14-day Zone 2 minutes trend chart • Shareable weekly progress card sized for Instagram Stories • Pull-to-refresh on every tab APPLE WATCH • Standalone watchOS companion shows your week's Zone 2 progress • Watch complications for circular, rectangular, corner, and inline faces • Live ring updates against your personalized HR range, not a generic estimate HOME & LOCK SCREEN WIDGETS • Small home widget with weekly progress ring + today's minutes • Lock Screen rectangular, circular, and inline widgets • Refreshed hourly from the App Group PREMIUM • 7-day free trial — no charge during the trial, cancel anytime • Reminders 2 days and 1 day before renewal so you choose with intent • Weekly AI coaching, full longevity score breakdown, trend charts, share cards • Monthly or annual subscription PRIVACY • Health data is read directly from Apple Health on your device • No third-party analytics or ad SDKs • Account + all server-side data deletable from Settings This app is not a medical device. It does not diagnose, treat, or prevent any condition. Consult your physician before changing your training routine. Privacy Policy: https://ootssu.com/zone2/privacy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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