531 Strength

531 Strength

Strength Lab

Available on Google Play
4.8(107)
10,000+ installsFreeHealth & Fitness

Updated Jul 26, 2026 · v1.1.8

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Keep focus on your lifts

Makes it quick and easy to get a full overview of all weights, reps and sets based off your 1RM when you’re following the 5/3/1 program. - Save your current 1 RM for each of the four exercises - View calculated weights for each step in the cycle - Round the weight to match the plates you have available This app is made for people who are familiar with the structure of the 5/3/1 program and who needs simple access to the calculated weights for each exercise.

Released
January 1, 2022

4 years on Google Play

Version
1.1.8
Updated
Jul 26, 2026
Content Rating
Everyone
Installs
10,000+
Developer
Strength Lab
Website
https://531.jachobsen.io
Email
531@jachobsen.io
In-app purchases
No

This app isn't currently appearing in any tracked top charts.

Rating breakdown

5
92
4
9
3
0
2
2
1
2