Ischys Workout Tracker

Health & Fitness

Free · Designed for iPhone. Not verified for macOS.

Track every set, run rest timers on your Lock Screen, and see live heart rate on your Apple Watch — 100% on your device. No account. No cloud. No tracking. Ischys is a fast, private workout tracker for lifters. Every set, routine, and personal record lives entirely on your iPhone — no account, no cloud, no tracking. Your training data is yours. BUILT FOR THE GYM • Log sets in seconds — weight, reps, warmups, drop sets, and supersets • Build routines and start them in one tap, or freestyle an empty session • A rest timer that keeps running when you leave the app — right on your Lock Screen • Auto-fills your last session's weights and reps, so you're not retyping • Personal records tracked automatically: heaviest set, best volume, most reps APPLE WATCH • Start a workout on your phone and it runs on your wrist • Live heart rate and active calories during the session • Log sets, adjust rest, and end the workout from the Watch YOUR DATA, YOUR DEVICE • 100% on-device — no account to create, nothing uploaded, no analytics • Import your history from other apps (CSV) and export it any time as JSON • Optional Apple Health: save finished workouts and read your heart rate OPEN SOURCE Ischys is open source — see exactly what runs on your device at ischys.app.

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The developer, VASILEIOS POULOPOULOS, 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 Not Collected

    The developer does not collect any data from this app.

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

    Accessibility

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

    Information

    Seller
    • VASILEIOS POULOPOULOS
    Size
    • 45.6 MB
    Category
    • Health & Fitness
    Compatibility
    Requires iOS 16.4 or later.
    • iPhone
      Requires iOS 16.4 or later.
    • Mac
      Requires macOS 12.0 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 Vasileios Poulopoulos
  • Developer Website
  • Privacy Policy