About this app
Stop guessing your max. Train with confidence. Simple One Rep Max Calculator helps you understand how strong you really are — so every workout has a purpose. By calculating your one-rep max using multiple proven formulas, you get realistic numbers you can trust, not just a single estimate. Know your limits, choose the right weights, and progress safely — whether you’re pushing for new PRs or building strength over time. Why you’ll love it • Clear and reliable max lift estimates • Multiple formulas for better confidence • Training weights at the right intensity • Fast, simple, and distraction-free Less guessing. Better progress.
Latest release
What’s New
More clarity. More confidence. Better numbers. You can now calculate your one-rep max using multiple proven formulas, giving you a clearer picture of your true strength instead of relying on a single estimate.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 2, 2026 · 10:53 AM $0.99
Screenshots
