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.