1Rep: 1RM Calculator & PR Log
Bench, Squat, Deadlift Tracker
About
Track your personal records and estimate your one-rep max using multiple formulas. Analyze your strength against standards, log every rep, and share your achievements with custom PR cards. This app is designed for serious lifters to monitor and celebrate their progress.
What's New in 1Rep
1.0
April 23, 2026
Subscriptions & In-App Purchases
$4.99
1Rep Pro
Unlock all features
Developer apps
FAQ
What is 1Rep?
1Rep is a strength training app designed to help you log your personal records (PRs), calculate your one-rep max (1RM) using multiple formulas, and track your overall strength progression. It offers detailed analytics and shareable PR cards.
How does 1Rep calculate 1RM?
1Rep uses seven different formulas to estimate your 1RM: Epley, Brzycki, Lander, Lombardi, Mayhew, O'Conner, and Wathan. It also provides R² scores to show the confidence of each estimate.
Can 1Rep compare my lifts to others?
Yes, 1Rep rates your lifts against real strength standards scaled to your bodyweight, allowing you to see if you are Novice, Intermediate, Advanced, or Elite, and view your percentile.
What kind of lifts can I log in 1Rep?
You can log PRs for weight, reps, RPE, location, and notes. It supports 8 muscle categories plus unlimited custom lifts, and you can also track missed lifts.
Does 1Rep have ads?
No, 1Rep does not contain advertisements. The app is free to download and use, with optional one-time purchases for premium features.
What are the benefits of 1Rep Pro?
1Rep Pro, available as a one-time purchase, unlocks deep analytics like strength projections and goal tracking, provides smart deload suggestions, all 9 share templates, full data export, and additional themes and accent colors.
What devices is 1Rep available on?
1Rep is available on iPhone and iPad, indicated by its support for these devices.
How often is 1Rep updated?
The latest version of 1Rep is 1.0, and it was last updated on April 23, 2026. This suggests it is a relatively new application with potential for future updates.
