531 Strength vs Hatch Squat Program
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
531 Strength
This app simplifies tracking your progress on the 5/3/1 strength training program. It calculates and displays weights, reps, and sets based on your one-rep max, allowing you to easily plan and execute your workouts. Rounding options help match available gym plates.
- Calculate 5/3/1 weights
- Track 1RM for exercises
- View cycle step weights
- Round weights to available plates
- Full overview of weights, reps, sets
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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.
Hatch Squat Program
This app automates the calculation of weights for specific reps and sets based on the 12-week Hatch Squat Program. It provides an easy way to track your progress for both back and front squats throughout the program.
- Automated weight calculation
- Workout tracking
- Rep and set logging
- 12-week program adherence
- Back and front squat tracking
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Hatch is the number one app for calculating, tracking , and logging your Hatch Squat Program workouts. Stop using old school spreadsheets and print out. This app will automatically calculate the weights at specific reps and sets that you should use based on the 12 week Hatch Squat program. Easily keep track of your workouts each week for both the back and front squat portions. This program was originally created by Olympic weightlifting coach Gayle Hatch and has been proven to add some serious weight to your squat.
Screenshots
Verdict
The clearest difference is review sentiment: 531 Strength at 94% against Hatch Squat Program's 19%. 531 Strength also leads on price (Free vs $1.99) and ratings volume (12K vs 222). Hatch Squat Program's advantage is in-app purchases (none vs 4) and ads (none vs shown). On device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
531 Strength is free to download; Hatch Squat Program costs $1.99 up front. 531 Strength sells 4 one-off in-app purchases. Hatch Squat Program asks for nothing beyond the download.
531 Strength holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: 531 Strength has 12K ratings behind it against 222, so its average is the more settled of the two. Written reviews point the same way: 94% of 531 Strength's written reviews are positive against 19% of Hatch Squat Program's.
531 Strength ships an update every 2 months, Hatch Squat Program every 4 months. The most recent releases landed on September 28, 2026 and September 24, 2026 respectively.
| Parameter | 531 Strength | Hatch Squat Program |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.9 (12K ratings) — better | 4.7 (222 ratings) |
| Positive reviews | 93.8% of reviews — better | 18.8% of reviews |
| Number of ratings | 12K — better | 222 |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Best chart rank | — | #183 — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 12 MB |
| Age rating | 4+ | 12+ |
| Developer | Henrik Jachobsen | David Bai |
Customer experience
531 Strength
Hatch Squat Program
Bugs and requests
531 Strength
Reported bugs
2 issues- Rest timer stops when app is backgrounded
- Plate calculator not flexible enough
Requested features
4 requests- Ability to adjust training max separately from 1RM
- Option to track rep PRs and estimated 1RM
- Accessory exercise tracking and planning
- Sync progress across devices
Hatch Squat Program
Not enough reviews yet to summarise bugs or requests.
In-app purchases
531 Strength
- Additional exercises$1.99
- Adjustable set$1.99
- Plate calculator$1.99
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- Progress log$6.99
Hatch Squat Program
No in-app purchases
Questions
Is 531 Strength free?
Is Hatch Squat Program free?
Which has better reviews, 531 Strength or Hatch Squat Program?
Do 531 Strength or Hatch Squat Program have ads?
Which is updated more often, 531 Strength or Hatch Squat Program?
Other comparisons
