Does the job
Simple, does what you need it to do for some quick numbers.
Amazing
Best app ever!!! Super useful and easy to use!
Archived App (Last seen on 12 May 2026)
This is an archived listing of the app previously available on the App Store.Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.
Details
About
This weightlifting utility helps you calculate percentage breakdowns of your maximum lift. Enter your total weight, and it provides nineteen increments from 95% down to 5%. Simplify your workout planning by calculating your 1RM breakdown just once.
✓Calculates 1RM percentage breakdown
✓Nineteen increments from 95% to 5%
✓Simplifies workout planning
✓User-friendly interface
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What's New in 1RM
1.1
April 23, 2019
Updated for iPhone X & iOS 12 Added 100% and 105% options for your 1RM Made it more obvious when the textfield is active
MoreUser reviews
FAQ
What is 1RM used for?
1RM is used to calculate the percentage breakdown of your maximum lift. This helps you plan your workouts by knowing the exact weights for different intensity levels.
How many percentage increments does 1RM provide?
1RM provides nineteen increments, ranging from 95% down to 5% of your total entered weight.
Is 1RM free to use?
Yes, 1RM is completely free to download and use. It does not have any in-app purchases or advertisements.
What devices is 1RM available on?
1RM is available for iPhone and iPod devices. It is designed for iOS users looking for a simple weightlifting tool.
How accurate is 1RM?
1RM is a calculation tool based on the weight you input. Its accuracy depends on the user correctly entering their maximum lift weight.
When was 1RM last updated?
The latest version of 1RM was released on April 23, 2019. The app was originally released on August 18, 2017.
What is the age rating for 1RM?
1RM has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content.
Does 1RM have ads?
No, 1RM is ad-free. Users can enjoy the utility without any interruptions from advertisements.