Slimday: Weight Tracker

Weight diary, goals &reminders

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Weight Keeper is a simple, private weight-tracking diary for daily logging, trend charts, goals, and progress insights. Record your weight in a few taps. See 7-day, 30-day, and longer trends. Set a target, track BMI and optional body fat, and stay motivated with streaks and achievement badges. Works with Apple Health. Optionally sync weight and body composition with the Health app. Pro unlocks iCloud backup across your devices, PDF/CSV export, extended chart ranges, and premium themes. Privacy-first by design. Your weight records are stored on your device. Weight Keeper does not use advertising SDKs, tracking SDKs, or third-party analytics SDKs. Optional Pro unlock. Weight Keeper Pro is a one-time, non-consumable in-app purchase ($0.99 USD tier). It unlocks iCloud sync, export, extended analytics, and premium themes. It is not a subscription and does not auto-renew. ### What's New (v2.4 international) International edition for US and Europe: English UI, lb/kg units, Apple Health sync, and streamlined features focused on weight tracking. ### Support URL Your support email or site (required). Example: `mailto:support@yourdomain.com` or a simple support page. ### Marketing URL Optional. Can reuse privacy host or leave blank.

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bug fix

Version 1.1

The developer, 友健 高, 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
    友健 高
    Size
    8.3 MB
    Category
    Health & Fitness
    Compatibility
    Requires iOS 18.0 or later.
    • iPhone
      Requires iOS 18.0 or later.
    • Mac
      Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 2.0 or later.
    Languages
    English
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    © 2026 Youjian Gao. All rights reserved.
  • Privacy Policy

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