531 Strength
Henrik Jachobsen Health & Fitness iPhoneiPadiPod touch
531 Strength is a free Health & Fitness app for iPhone and iPad by Henrik Jachobsen. Rated 4.9/5 from 11,627 ratings. Requires iOS 17.6.
- Rating
- 4.9
- 11.6K ratings
- Price
- Free
- on the App Store
- Size
- 28 MB
- Age 4+
- Updated
- Jan 11
- 2026 · v2.26
Screenshots
About 531 Strength
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.
Ratings & reviews
4.9
11.6K ratings
What’s new
Version 2.26 · Updated January 11, 2026
Thank you for using 531 Strength! This update includes: - Stability fixes - Minor UI improvements If you enjoy the app, please support the further development of the app by making an in-app purchase.
App privacy
The developer, Henrik Jachobsen, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Crash Data, Performance Data
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:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Crash Data, Performance Data
Used for: Third-Party Advertising, Analytics
Alternatives to 531 Strength
Looking for apps like 531 Strength? Here are 6 similar apps on the App Store. The highest rated is nSuns 5/3/1 (4.9/5), and all 6 are free to download.
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Five/Three/One - 531 Workouts
4.8
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5/3/1 Workout logger - 531
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KeyLifts - 531 Workout Log
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Wendler Log 531
4.5
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JuggernautAI
4.8
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nSuns 5/3/1
4.9
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| 531 Strength | 4.9 / 5 (11,627 ratings) | Free | January 11, 2026 | |
| Five/Three/One - 531 Workouts | 4.8 / 5 (1,466) | Free | Aug 1, 2025 | Compare |
| 5/3/1 Workout logger - 531 | 4.8 / 5 (3,231) | Free | Mar 11, 2026 | Compare |
| KeyLifts - 531 Workout Log | 4.8 / 5 (837) | Free | Sep 15, 2026 | Compare |
| Wendler Log 531 | 4.5 / 5 (548) | Free | Sep 29, 2026 | Compare |
| JuggernautAI | 4.8 / 5 (5,655) | Free | Sep 24, 2026 | Compare |
| nSuns 5/3/1 | 4.9 / 5 (4,905) | Free | May 7, 2026 | Compare |
Compare 531 Strength with the top alternatives: ratings, updates, ASO score and keyword gaps →