1RM Max Calculator3.5.0 - App Store
You'll be able to see results in few seconds.
Publisher Description
Accurate 1RM calculation using 7 scientific formulas
Calculate your maximum weight for bench press, squat, and deadlift instantly!
Using the average of 7 different proven formulas (Epley, Brzycki, Lander, and more) trusted by professional athletes to determine the most reliable 1RM.
[Why choose this app?]
- High-precision 1RM calculation using multiple formulas
- Simple and intuitive interface
- Comprehensive progress tracking
- Data visualization for growth monitoring
[Key Features]
- Support for 3 major lifts (bench press, squat, deadlift)
- 7 scientific calculation formulas for precise results
- Calendar function for daily record management
- Graph display for progress visualization
- One-tap data saving
- Full offline functionality
[Perfect for]
- Athletes wanting to track training effectiveness
- Lifters needing accurate 1RM calculations
- Anyone planning structured training programs
- Fitness enthusiasts tracking their progress
Make your training more scientific and effective.
Take your lifting to the next level!
Trusted by over 7,000 users worldwide.
Version History - Added a setting to choose the calculation method
- Added support for Conservative and Standard calculation modes
- Results now update based on the selected calculation method 3.5.0 May 18 - Improved stability and usability
- Minor updates help keep the app running smoothly 3.4.1 May 6 - Added a new survey feature.
- App stability has been improved. 3.4.0 May 5 - Improved app stability. 3.3.0 May 3 - App stability has been enhanced. 3.2.0 Feb 13 - Improved app stability. 3.1.1 Feb 3 - Weight display now supports increments of 0.5.
- App stability has been improved. 3.1.0 10/27/2025 - The 1RM calculator has been enhanced with a new test mode.
- Chart settings functionality has been added, along with interface improvements.
- A loading indicator has been implemented, enhancing user experience.
- App stability has been improved. 3.0.0 08/23/2025 You can calculate maximum weight for Squat, Deadlift.
Hide advertises for purchasing. 2.0 12/31/2019 You can share to SNS! 1.4.0 09/28/2018 delete support screen.
add setting screen for some information.
fixed bugs. 1.3.0 08/16/2018 Make more beautiful design! 1.2.1 03/09/2018 I made iPhoneX correspondence. 1.2.0 12/22/2017 Bug fixed 1.1.7 05/09/2017 Add support function. 1.1.6 11/28/2016 minor change. 1.1.5 10/17/2016 Changed main language. 1.1.4 09/28/2016 Changed main language. 1.1.3 09/27/2016 Localized this App. 1.1.2 09/21/2016 1.1.1 09/17/2016 1.1 09/06/2016 1.0.4 06/13/2016 1.0.3 05/17/2016 1.0.2 05/10/2016 1.0.1 05/06/2016
About 1RM Max Calculator
The company that develops 1RM Max Calculator is Kazumasa Shimomura. The latest version released by its developer is 3.5.0.
To install 1RM Max Calculator on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-15 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the 1RM Max Calculator as malware if the download link is broken.
How to install 1RM Max Calculator on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the 1RM Max Calculator is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After 1RM Max Calculator is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 3.5.0
posted on 2026-10-15
Version History - Added a setting to choose the calculation method
- Added support for Conservative and Standard calculation modes
- Results now update based on the selected calculation method 3.5.0 May 18 - Improved stability and usability
- Minor updates help keep the app running smoothly 3.4.1 May 6 - Added a new survey feature.
- App stability has been improved. 3.4.0 May 5 - Improved app stability. 3.3.0 May 3 - App stability has been enhanced. 3.2.0 Feb 13 - Improved app stability. 3.1.1 Feb 3 - Weight display now supports increments of 0.5.
- App stability has been improved. 3.1.0 10/27/2025 - The 1RM calculator has been enhanced with a new test mode.
- Chart settings functionality has been added, along with interface improvements.
- A loading indicator has been implemented, enhancing user experience.
- App stability has been improved. 3.0.0 08/23/2025 You can calculate maximum weight for Squat, Deadlift.
Hide advertises for purchasing. 2.0 12/31/2019 You can share to SNS! 1.4.0 09/28/2018 delete support screen.
add setting screen for some information.
fixed bugs. 1.3.0 08/16/2018 Make more beautiful design! 1.2.1 03/09/2018 I made iPhoneX correspondence. 1.2.0 12/22/2017 Bug fixed 1.1.7 05/09/2017 Add support function. 1.1.6 11/28/2016 minor change. 1.1.5 10/17/2016 Changed main language. 1.1.4 09/28/2016 Changed main language. 1.1.3 09/27/2016 Localized this App. 1.1.2 09/21/2016 1.1.1 09/17/2016 1.1 09/06/2016 1.0.4 06/13/2016 1.0.3 05/17/2016 1.0.2 05/10/2016 1.0.1 05/06/2016
version 3.2.0
posted on 2026-02-13
- App stability has been enhanced.
version 3.0.0
posted on 2025-08-23
Aug 23, 2025
Version 3.0.0
- The 1RM calculator has been enhanced with a new test mode.
- Chart settings functionality has been added, along with interface improvements.
- A loading indicator has been implemented, enhancing user experience.
- App stability has been improved.
version 2.0
posted on 2019-12-31
Dec 31, 2019 Version 2.0
You can calculate maximum weight for Squat, Deadlift.
Hide advertises for purchasing.
version 1.1.5
posted on 2016-05-05
version 2.0
posted on 1970-01-01
2019年12月31日 Version 2.0
You can calculate maximum weight for Squat, Deadlift.
Hide advertises for purchasing.
version 3.1.1
posted on 1970-01-01
- Improved app stability.
Disclaimer
Official App Store Link
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