Obra - One Rep Max app for iPhone and iPad

4.4 ( 6624 ratings )

Utilities Sports
Developer: Jose Aguilar

Free

Current version: 1.0, last update: 1 year ago
First release : 11 Jun 2022
App size: 4.3 Mb

There are no simple one-rep max calculators out there.

So here it is!
Enter the weight you lifted and the reps you performed and the app will show you your one-rep max and the different reps you should be able to perform at different weights.