# 531 Trainer vs nSuns 5/3/1

The clearest difference is rating: nSuns 5/3/1 at 4.9 against 531 Trainer's 4.3. nSuns 5/3/1 also leads on ratings volume (4.9K vs 10) and review sentiment (97% vs 82%). 531 Trainer's advantage is in-app purchases (none vs 6) and iOS requirement (7.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. nSuns 5/3/1 sells 6 one-off in-app purchases. 531 Trainer asks for nothing beyond the download.

nSuns 5/3/1 holds the better App Store score, 4.9 against 4.3. That said, the two scores are not equally well evidenced: nSuns 5/3/1 has 4.9K ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 82% of 531 Trainer's written reviews are positive against 97% of nSuns 5/3/1's.

531 Trainer ships an update fortnightly, nSuns 5/3/1 every 9 days. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 531 Trainer | nSuns 5/3/1 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (10 ratings)](https://appshunter.io/ios/app/531-trainer/id870272886/reviews) | **[4.9 (4.9K ratings)](https://appshunter.io/ios/app/nsuns-531/id1265494052/reviews)** |
| Number of ratings | 10 | **4.9K** |
| Positive reviews | 81.8% of reviews | **96.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 2 MB | 8 MB |
| Requires iOS | **7.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 9+ |
| Developer | [Kevin French](https://appshunter.io/developer/870272889) | [Jonas Reichert](https://appshunter.io/developer/991237310) |

## What reviewers say

### 531 Trainer

[App page](https://appshunter.io/ios/app/531-trainer/id870272886)

Simplify your strength training with this app. It calculates your daily workouts based on your max lifts, eliminating the need for spreadsheets or manual calculations at the gym. Easily progress to the next cycle with automatic weight increments.

**Highlights:** Calculates daily workouts, Automatic weight progression, One Rep Max calculator, Assistance work percentage calculator, Supports kilograms or pounds, Visual weight plate guidance

**Features:** macOS Compatibility

**In-app purchases:** none


### nSuns 5/3/1

[App page](https://appshunter.io/ios/app/nsuns-531/id1265494052)

This app is a dedicated companion for the nSuns 5/3/1 strength training program. It allows users to log lifts, track progress, and automatically calculates weight progression based on training max and AMRAP results. Customizable features and progress charts help users optimize their workouts.

**Highlights:** Log lifts and track progress, Automatic weight progression, AMRAP-driven programming, Customizable accessory exercises, Rest timer with Apple Watch support, Progress charts for main lifts, iCloud sync

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Beer | $0.99 | one-time |
| Coffee | $1.99 | one-time |
| Protein Brownie | $2.99 | one-time |
| Protein Shake | $3.99 | one-time |
| Gym Weekly Fee | $4.99 | one-time |
| Supporter | $8.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Helps track progress
- 🚀 Seamless workout tracking
- 👍 Customizable templates
- 🚀 Automatic weight calculations

**What reviewers complain about**

- 🐛 Occasional bugs or glitches
- 💡 Lack of ability to change workout days
- 💡 Limited accessory exercise customization
- 💡 No option to carry over accessory exercises
- 💡 No plate calculator or weight breakdown

**Reported bugs**

- Workout template not updating correctly
- Timer issues or disappearing on app switch
- Inconsistencies with training max updates

**Requested features**

- Ability to customize workout days
- Option to add and track custom accessory exercises
- Carry over accessory exercises to next cycle
- Plate calculator or weight breakdown feature
- Notes section for each workout


## Frequently asked questions

### Is 531 Trainer free?

531 Trainer is free to download, with no in-app purchases.

### Is nSuns 5/3/1 free?

nSuns 5/3/1 is free to download, with in-app purchases available.

### Which has better reviews, 531 Trainer or nSuns 5/3/1?

nSuns 5/3/1 is rated higher. 531 Trainer averages 4.3 out of 5 from 10 ratings, while nSuns 5/3/1 averages 4.9 from 4.9K ratings.

### Do 531 Trainer or nSuns 5/3/1 have ads?

Neither 531 Trainer nor nSuns 5/3/1 shows ads.

### Which is updated more often, 531 Trainer or nSuns 5/3/1?

531 Trainer ships an update fortnightly, and nSuns 5/3/1 every 9 days. Most recently, 531 Trainer was updated on November 6, 2026 and nSuns 5/3/1 on November 2, 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.*