1RM Calculator vs Efort Usage & Stats
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/
- Apple App Store
- Free
- Health & Fitness
Store Rank
- -
Efort: Powerlifting Training
Efort is built for powerlifting athletes aiming to optimize performance—whether you work with a coach on Efort Coach or craft your own program. It’s 100% free.
Key Features
• Custom Programs
• Performance Insights
• Optional Coach Integration
Take your powerlifting to the next level—download Efort and train like the best!
Contact Us
• Instagram: https://www.instagram.com/efortapp
• Email: info@efortcoach.com
- Apple App Store
- Free
- Health & Fitness
Store Rank
- -
1RM Calculator VS. 
EfortJanuary 12, 2026