# Strong Workout Tracker Gym Log vs 531 Strength

The clearest difference is ads: Strong Workout Tracker Gym Log at none against 531 Strength's shown. Strong Workout Tracker Gym Log also leads on update cadence (every 2 weeks vs every 2 months) and ratings volume (108K vs 12K). 531 Strength's advantage is review sentiment (94% vs 65%). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Strong Workout Tracker Gym Log sells 11 in-app purchases, starting at $3.99 per month and 531 Strength sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Strong Workout Tracker Gym Log against 4.9 for 531 Strength. That said, the two scores are not equally well evidenced: Strong Workout Tracker Gym Log has 108K ratings behind it against 12K, so its average is the more settled of the two. Written reviews are what separate them: 65% of Strong Workout Tracker Gym Log's written reviews are positive against 94% of 531 Strength's.

Strong Workout Tracker Gym Log ships an update every 2 weeks, 531 Strength every 2 months. Both last shipped on September 24, 2026.

## The numbers

| Metric | Strong Workout Tracker Gym Log | 531 Strength |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (108K ratings)](https://appshunter.io/ios/app/strong-workout-tracker-gym-log/id464254577/reviews) | [4.9 (12K ratings)](https://appshunter.io/ios/app/531-strength/id1062989244/reviews) |
| Number of ratings | **108K** | 12K |
| Positive reviews | 65.2% of reviews | **93.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Freemium | Free with in-app purchases |
| Best chart rank | **#60** | — |
| Size | 129 MB | 28 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Strong Fitness PTE Limited](https://appshunter.io/developer/1525345716) | [Henrik Jachobsen](https://appshunter.io/developer/497731838) |

## What reviewers say

### Strong Workout Tracker Gym Log

[App page](https://appshunter.io/ios/app/strong-workout-tracker-gym-log/id464254577)

**Currently charting:** #60 Top Grossing · Health & Fitness, #170 Top Free · Health & Fitness (US App Store)

This app helps you track your workouts and progress with an intuitive interface. It offers a wide range of exercises, detailed instructions, and advanced statistics to help you achieve your fitness goals. Easily log your routines, monitor personal records, and stay motivated on your fitness journey.

**Highlights:** Intuitive workout logging, Comprehensive exercise library, Apple Watch integration, Advanced progress statistics, Customizable routines, Cloud data backup

**Features:** Siri integration, Apple Watch app

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Strong PRO | $3.99 | per month |
| Strong PRO (1 Month) | $4.99 | per month |
| Strong PRO (6 Months) | $19.99 | per 6 months |
| Strong PRO (1 Year) | $23.99 | per year |
| Strong PRO (1 Year) | $29.99 | per year |
| Strong PRO (1 Year) | $29.99 | per year |
| Power Pack (Legacy) | $3.99 | one-time |
| Unlock Strong (Legacy) | $4.99 | one-time |
| Unlock + Power Pack (Legacy) | $6.99 | one-time |
| Strong PRO Forever | $79.99 | one-time |
| Strong PRO Forever | $99.99 | one-time |

**What reviewers like**

- 🚀 Excellent workout tracking
- 👍 Clean, intuitive interface
- 📊 Comprehensive data and progress tracking
- ⌚ Seamless Apple Watch integration
- 🔍 Extensive exercise library

**What reviewers complain about**

- 🔋 High battery consumption
- 🔒 Concerns about subscription model and pricing
- 🐛 Apple Watch app issues and syncing problems
- 🔧 Difficulty editing or deleting exercises/routines

**Reported bugs**

- Workouts not syncing properly between devices
- Exercises disappearing from saved routines
- Crashes and stability issues, especially on Apple Watch

**Requested features**

- Add ability to track body part volume and focus
- Improve exercise search and categorization
- Implement more advanced analytics and reporting
- Allow pausing of workouts on Apple Watch
- Add support for more workout types (e.g. cardio)


### 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


## Frequently asked questions

### Is Strong Workout Tracker Gym Log free?

Strong Workout Tracker Gym Log is free to download, with in-app purchases available.

### Is 531 Strength free?

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

### Which has better reviews, Strong Workout Tracker Gym Log or 531 Strength?

Strong Workout Tracker Gym Log and 531 Strength are both rated 4.9 out of 5 on the App Store, from 108K and 12K ratings respectively.

### Do Strong Workout Tracker Gym Log or 531 Strength have ads?

531 Strength shows ads; Strong Workout Tracker Gym Log does not.

### Which is updated more often, Strong Workout Tracker Gym Log or 531 Strength?

Strong Workout Tracker Gym Log ships an update every 2 weeks, and 531 Strength every 2 months. Most recently, Strong Workout Tracker Gym Log was updated on September 24, 2026 and 531 Strength 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.*