1RM Calculator
One Rep Max Strength
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
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/
- 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.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- 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.
- iPhone
- Languages
- English
- Age Rating
4+
- 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