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● Easiest program to calculate and track your 5/3/1 progress.
● Focuses on key compound movements. Bench, Squat, Deadlift.
● This program is not affiliated with Wendler and is adjusted for efficiency.

531 Workout is designed to be friendly for first time lifters, but can also be tailored towards veterans. The workouts focus on 4 movements. Squats, bench press, deadlifts, and overhead press.

Getting started in weight training can be intimidating, but we've taken out the guesswork and doubt. There are many flavors of 3x5, 5x5, 531, and other powerlifting programs. At the very core of the these lifting programs, they share the same proven elements.

Results have been proven time and time again for the past decades since the original 5x5 by Mark Berry in the 1930s, Reg Park in the 1950s, Bill Starr in the 1970s, and the many versions you see today.

531 Workout by Zen Labs Fitness includes the simplest version to make getting started easy. We've broken down the process into one workout a day. Guaranteed results.

≈ Only 4 Simple Workouts ≈

Day 1 - Squat
Day 2 - Bench Press
Day 3 - Deadlift
Day 4 - Overhead Press

≈ Starting is EASY ≈

1. Enter your current 1RM (1 rep max) for Bench, Squat, Deadlifts. (or press beginner)
2. Our app will automatically calculate your program tailored you
3. Press start and start building strength!


◉ Workout 4 days a week.
◉ Workout weeks are grouped into "blocks". Each "block" is 4 weeks.
◉ Entire program is 7 blocks. Guaranteed gainz!
◉ Core program is only 1 workout per day. Simple! We focus on compound movements for efficiency.
◉ Progress graph to keep track of your PRs (personal records)
◉ Multiple cycles. After you finish 7 blocks, deload and start a new cycle!
◉ Warmup calculator to help you properly warm up and prevent injury.
◉ Weight and reps calculator
◉ Accessory workouts to add more volume for advanced users
◉ Apple Health integration

Questions/comments regarding the app? Please email us at contactus@zenlabsfitness.com or visit us at www.zenlabsfitness.com.

Forums: http://forums.zenlabsfitness.com
Facebook: http://facebook.com/C25Kfree
Twitter: http://twitter.com/C25Kfree
Instagram: http://instagram.com/zenlabsfitness
Hashtag: #everymomentcounts

What’s New

Version 1.5.8

◎ small optimizations

Our community is our number one priority. We answer each and every email. Most of our updates have been suggestions from our community. Questions? Comments? Suggestions? See why our community has made us the #1 5K training app. contactus@zenlabsfitness.com

Ratings and Reviews

4.7 out of 5
39 Ratings

39 Ratings

smills36 ,


Good for what it is intended for but can use more functionality. The 531 program tends to not provide enough volume and there are variations to this program that I feel would be very beneficial to this app.


Zen Labs LLC (CA)
45.5 MB
Health & Fitness

Requires iOS 10.0 or later. Compatible with iPhone and iPod touch.



Age Rating
Rated 4+
© Zen Labs Fitness


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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