Axon: Recovery & Readiness

HRV, Sleep & Strain Scores

Free · Designed for iPhone. Not verified for macOS.

Recovery, Readiness, Sleep and Strain scores from the Apple Watch you already wear. Your health data stays on your phone unless you choose to share it. Recovery, Readiness, Sleep and Strain scores from the Apple Watch you already wear. Nothing else to put on. Your health data stays on your phone unless you choose to share it. Apple Health has the raw numbers. Axon turns them into the four daily answers dedicated trackers are built around. NEW IN 2.1, IN BETA: ASK AND CONNECT Ask Siri "How am I doing in Axon" and hear all four scores, log a mood or a nap by voice, or copy a week of scores to paste into any chat. Connect your own AI assistant and it can read everything Axon knows and log a check-in, a meal or a nap for you: it stays off until you turn it on, and turning it off deletes the copy. READINESS SCORE One number every morning: go hard or go easy. Yesterday's sleep, today's recovery and your training load, combined. RECOVERY SCORE Overnight HRV and resting heart rate from your Watch tell you how well your body bounced back — before you decide what today is for. SLEEP SCORE Duration, efficiency, deep sleep and consistency in one number, so you know whether last night actually restored you. STRAIN SCORE How hard today really hit you — heart rate, intensity and duration together, not just calories. ON YOUR WRIST AND LOCK SCREEN Watch complication, home-screen and lock-screen widgets. Know before you unlock. FIT AGE Your cardio fitness as an age, with the reference ranges and the reason behind the number. FOOD AND MIND Log meals in seconds against a target estimated for you. Daily check-ins for mood, energy and stress. Fuel and recovery in one place. WHY AXON • Works with the Apple Watch you have — Series 4 and later, SE, Ultra • 100% on-device scoring — no account needed to start, nothing uploaded unless you switch it on • Evidence-based scores, explained: every number shows what drove it • Real data or nothing — Axon never invents a score it cannot back Built for people who want to understand their body, not carry another device. Requires an iPhone with iOS 17 or later and an Apple Watch. Axon is not a medical device and does not diagnose or treat any condition.

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Your AI, in one tap. Profile → Connections → Your AI now shows Claude, ChatGPT and Other AI. Tap one and it's connected: Other AI copies everything your assistant needs in one go, ChatGPT walks you through its setup, and Claude signs in — add Axon in Claude's connectors, then approve the sign-in from Axon. Your AI now hears the same live readiness Home shows. Turning the connection off ends every sign-in. When a night hasn't reached Apple Health yet, Home now says so plainly and no longer credits sleep for your morning charge. Fit Age now counts only VO₂max readings taken in the last 60 days, so a new number stays marked as early until it has enough readings behind it.

The developer, Jay Gosalia, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Health & Fitness
    • User Content
    • Identifiers
    • Other Data
  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Contact Info
    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
Jay Gosalia
Size
33.6 MB
Category
Health & Fitness
Compatibility
Requires iOS 17.0 or later.
  • iPhone
    Requires iOS 17.0 or later.
  • Mac
    Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
  • Apple Watch
    Requires watchOS 10.0 or later.
Languages
English
Age Rating
9+
Copyright
© 2026 Jay Gosalia