1Rep Calc

Release Notes

v1.4.02025-12-19

  • Added FAQ page

v1.3.02025-12-10

  • Added English support (Multilingual)
  • Added statistical data for Western lifters
  • Added hamburger menu for mobile devices

v1.2.02025-12-08

  • Added statistical data for female lifters
  • Improved SNS share buttons (Added support for Threads and LINE)

v1.1.02025-12-07

  • Design renewal with Dark Mode support
  • Changed graph display from normal distribution curve to histogram
  • Improved accuracy of statistical data

v1.0.02025-12-01

  • 1RM Calculator Released
  • Supports 4 major exercises (Bench Press, Squat, Deadlift, Front Press)
  • Estimation using 5 different formulas