# PHAT Workout Plan & Tracker vs 531 Workout Tracker

The clearest difference is rating: PHAT Workout Plan & Tracker at 4.0 against 531 Workout Tracker's 1.0. PHAT Workout Plan & Tracker also leads on review sentiment (42% vs 0%) and ratings volume (10 vs 1). 531 Workout Tracker's advantage is update cadence (every 6 days vs every 4 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. PHAT Workout Plan & Tracker sells 4 in-app purchases, starting at $7.99 per month and 531 Workout Tracker sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

PHAT Workout Plan & Tracker holds the better App Store score, 4.0 against 1.0. That said, the two scores are not equally well evidenced: PHAT Workout Plan & Tracker has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 42% of PHAT Workout Plan & Tracker's written reviews are positive against 0% of 531 Workout Tracker's.

PHAT Workout Plan & Tracker ships an update every 4 weeks, 531 Workout Tracker every 6 days. The most recent releases landed on October 22, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | PHAT Workout Plan & Tracker | 531 Workout Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (10 ratings)](https://appshunter.io/ios/app/phat-workout-plan-and-tracker/id1245779562/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/531-workout-tracker-531-log/id6760547152/reviews) |
| Number of ratings | **10** | 1 |
| Positive reviews | **41.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 113 MB | 42 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [App Diggity, LLC](https://appshunter.io/developer/953610384) | [Zub Technologies](https://appshunter.io/developer/1884901869) |

## What reviewers say

### PHAT Workout Plan & Tracker

[App page](https://appshunter.io/ios/app/phat-workout-plan-and-tracker/id1245779562)

This app provides structured workout plans, including the popular PHAT routine, with detailed exercise instructions and progress tracking. It offers custom workout creation and built-in timers to optimize training sessions for strength and hypertrophy.

**Highlights:** Free PHAT workout plan, Beginner, intermediate, and advanced routines, Custom workout planner, Built-in HIIT programs, Exercise illustrations and videos, Progress tracking, Built-in timer

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Full Version Upgrade | $7.99 | per month |
| 6 Months Full Version Upgrade | $34.99 | per 6 months |
| 1 Year Full Version Upgrade | $49.99 | per year |
| Advertise remove and unlock features | $2.99 | one-time |


### 531 Workout Tracker

[App page](https://appshunter.io/ios/app/531-workout-tracker-531-log/id6760547152)

This app automates the calculation and tracking of your 5/3/1 strength training program. It generates full training cycles, logs sets with AMRAP tracking, and provides progress insights. Your data stays private and works offline.

**Highlights:** Automated 5/3/1 cycle generation, One-tap set logging with AMRAP tracking, Automatic rest timer, Plate calculator, Smart training max suggestions, Deload recommendations, Estimated 1RM charts

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $6.99 | per month |
| Pro Annual | $39.99 | per year |
| Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is PHAT Workout Plan & Tracker free?

PHAT Workout Plan & Tracker is free to download, with in-app purchases available.

### Is 531 Workout Tracker free?

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

### Which has better reviews, PHAT Workout Plan & Tracker or 531 Workout Tracker?

PHAT Workout Plan & Tracker is rated higher. PHAT Workout Plan & Tracker averages 4.0 out of 5 from 10 ratings, while 531 Workout Tracker averages 1.0 from 1 ratings.

### Do PHAT Workout Plan & Tracker or 531 Workout Tracker have ads?

Neither PHAT Workout Plan & Tracker nor 531 Workout Tracker shows ads.

### Which is updated more often, PHAT Workout Plan & Tracker or 531 Workout Tracker?

PHAT Workout Plan & Tracker ships an update every 4 weeks, and 531 Workout Tracker every 6 days. Most recently, PHAT Workout Plan & Tracker was updated on October 22, 2026 and 531 Workout Tracker on October 11, 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.*