# 531 Strength vs Hatch Squat Program

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.

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.

## The numbers

| Metric | 531 Strength | Hatch Squat Program |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.9 (12K ratings)](https://appshunter.io/ios/app/531-strength/id1062989244/reviews)** | [4.7 (222 ratings)](https://appshunter.io/ios/app/hatch-squat-program/id1301427885/reviews) |
| Number of ratings | **12K** | 222 |
| Positive reviews | **93.8% of reviews** | 18.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#183** |
| Size | 28 MB | 12 MB |
| Requires iOS | 17.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Henrik Jachobsen](https://appshunter.io/developer/497731838) | [David Bai](https://appshunter.io/developer/609405595) |

## What reviewers say

### 531 Strength

[App page](https://appshunter.io/ios/app/531-strength/id1062989244)

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.

**Highlights:** Calculate 5/3/1 weights, Track 1RM for exercises, View cycle step weights, Round weights to available plates, Full overview of weights, reps, sets

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Additional exercises | $1.99 | one-time |
| Adjustable set | $1.99 | one-time |
| Plate calculator | $1.99 | one-time |
| Progress log | $6.99 | one-time |

**What reviewers like**

- 🚀 Simple and efficient
- 👍 Intuitive interface
- 💪 Helps with strength gains
- 🔧 Customizable features
- ⏱️ Convenient timer

**What reviewers complain about**

- 🔢 Inaccurate percentage calculations
- 🗓️ Lack of ability to plan future workouts
- 📋 Limited exercise tracking
- 💰 Paid features not worth the cost

**Reported bugs**

- Rest timer stops when app is backgrounded
- Plate calculator not flexible enough

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/hatch-squat-program/id1301427885)

**Currently charting:** #183 Top Paid · Health & Fitness (US App Store)

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.

**Highlights:** Automated weight calculation, Workout tracking, Rep and set logging, 12-week program adherence, Back and front squat tracking

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 531 Strength free?

531 Strength is free to download, with in-app purchases available.

### Is Hatch Squat Program free?

Hatch Squat Program costs $1.99, with no in-app purchases.

### Which has better reviews, 531 Strength or Hatch Squat Program?

531 Strength is rated higher. 531 Strength averages 4.9 out of 5 from 12K ratings, while Hatch Squat Program averages 4.7 from 222 ratings.

### Do 531 Strength or Hatch Squat Program have ads?

531 Strength shows ads; Hatch Squat Program does not.

### Which is updated more often, 531 Strength or Hatch Squat Program?

531 Strength ships an update every 2 months, and Hatch Squat Program every 4 months. Most recently, 531 Strength was updated on September 28, 2026 and Hatch Squat Program on September 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*