531 Strength
com.jachobsen.fivethreeone
View detailed information for 531 Strength — ratings, download counts, screenshots, pricing and developer details. See integrated SDKs and related technical data.
Total installs
16.6K(16,677)
Rating
4.8(20 reviews)
Released
January 1, 2022
Last updated
November 23, 2025
Category
Health & Fitness
Developer
Strength Lab
Developer details
Name
Strength Lab
E-mail
531@jachobsen.io
Website
unknown
Country
unknown
Address
unknown
Screenshots
Description
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.