1RM Calculator

One Rep Max Strength

Free · In‑App Purchases · Designed for iPad

An easy-to-use 1RM calculation app that lets you use RPE and track your 1RM history. The core functionalities include: - 1RM calculation with RPE (optional). - Rep maxes estimation from 2 to 12 reps, according to your estimated 1RM. - Saving 1RM history by exercise. - Customized exercise selection. - Dark theme available. Terms & Conditions https://1rm-calculator.netlify.app/legal/terms/

  • 4.9
    out of 5
    95 Ratings

- Expanded language support: French, Portuguese, German, Italian, Russian, Korean.

The developer, Yuri Koshiishi, 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

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

    • Seller
      • Yuri Koshiishi
    • Size
      • 33.9 MB
    • Category
      • Health & Fitness
    • Compatibility
      Requires iOS 13.0 or later.
      • iPhone
        Requires iOS 13.0 or later.
      • iPad
        Requires iPadOS 13.0 or later.
      • iPod touch
        Requires iOS 13.0 or later.
      • Mac
        Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
      • Apple Vision
        Requires visionOS 1.0 or later.
    • Languages
      • English
    • Age Rating
      4+
    • In-App Purchases
      Yes
      • 1 Rep Max Pro Monthly $1.99
      • 1 Rep Max Pro Annual $9.99
      • 1 Rep Max Pro Lifetime $29.99
    • Copyright
      • © 2021 Yuri Koshiishi