5/3/1 Workout - Zen Labs
Zen Labs Health & Fitness iPhoneiPod touch
5/3/1 Workout - Zen Labs is a free Health & Fitness app for iPhone and iPod touch by Zen Labs. Rated 4.6/5 from 213 ratings. Requires iOS 14.0.
- Rating
- 4.6
- 213 ratings
- Price
- Free
- on the App Store
- Size
- 193 MB
- Age 4+
- Updated
- Jun 16
- 2026 · v1.20
Screenshots
About 5/3/1 Workout - Zen Labs
● 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. This program includes your first 2 weeks for free! ≈ 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! ≈ FEATURES ≈ ◉ First 2 weeks are free! Get started today! ◉ 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 ≈ NEW Zen Unlimited Pass - Try it for free! ≈ ◉ Award winning music curated from top DJ's! ◉ Scientifically proven to increase motivation by 35% ◉ Unlimited access to all pro features across ALL Zen Labs Fitness apps Questions/comments regarding the app? Please email us at [email protected] or visit us at www.zenlabsfitness.com. ≈ Connect ≈ Facebook: @C25Kfree Twitter: @C25Kfree Instagram: @officialc25k Hashtag: #C25K https://forums.zenlabsfitness.com Subscription pricing and terms: The subscription will automatically renew unless turned off in your iTunes Account Settings at least 24 hours before current period ends. You can go to your iTunes Account settings to manage your subscription and turn off auto-renew. Your iTunes Account will be charged when the purchase is confirmed. If you subscribe before your free trial ends, the rest of your free trial period will be forfeited as soon as your purchase is confirmed. Privacy Policy & Terms of Use: https://www.zenlabsfitness.com/privacy-policy/ Legal Disclaimer This app and any information given by it or by Zen Labs LLC are for educational purposes only. You should always consult your healthcare provider before beginning any fitness program.
Ratings & reviews
4.6
213 ratings
What’s new
Version 1.20 · Updated June 16, 2026
◎ Music player library optimizations ◎ Track your progress and achievements across the Zen Labs network! ◎ More minor bug fixes and optimization 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. [email protected]
App privacy
The developer, Zen Labs, reported these privacy practices to Apple.
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Usage Data: Product Interaction
- Contact Info: Email Address
- Diagnostics: Crash Data, Performance Data
Used for: Analytics, App Functionality
Alternatives to 5/3/1 Workout - Zen Labs
Looking for apps like 5/3/1 Workout - Zen Labs? Here are 6 similar apps on the App Store. The highest rated is 531 Strength Workout (5.0/5), and all 6 are free to download.
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531 Strength Workout
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5/3/1 Workout logger - 531
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Five/Three/One - 531 Workouts
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Wendler Log 531
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KeyLifts - 531 Workout Log
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nSuns 5/3/1
4.9
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| 5/3/1 Workout - Zen Labs | 4.6 / 5 (213 ratings) | Free | June 16, 2026 | |
| 531 Strength Workout | 5.0 / 5 (3) | Free | Feb 23, 2025 | Compare |
| 5/3/1 Workout logger - 531 | 4.8 / 5 (3,232) | Free | Mar 11, 2026 | Compare |
| Five/Three/One - 531 Workouts | 4.8 / 5 (1,471) | Free | Aug 1, 2025 | Compare |
| Wendler Log 531 | 4.5 / 5 (557) | Free | Sep 29, 2026 | Compare |
| KeyLifts - 531 Workout Log | 4.8 / 5 (840) | Free | Oct 17, 2026 | Compare |
| nSuns 5/3/1 | 4.9 / 5 (4,905) | Free | May 7, 2026 | Compare |