# Gym Sets vs Trejn

The clearest difference is in-app purchases: Trejn at none against Gym Sets's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Gym Sets sells 2 in-app purchases, starting at $2.99 per month. Trejn asks for nothing beyond the download.

Gym Sets ships an update every 9 days, Trejn weekly. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Gym Sets | Trejn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 60 MB | 35 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Kaplan](https://appshunter.io/developer/1806585098) | [Roman Janovec](https://appshunter.io/developer/6791120098) |

## What reviewers say

### Gym Sets

[App page](https://appshunter.io/ios/app/gym-sets-workout-tracker/id6744239216)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gym Sets Premium | $2.99 | per month |
| Gym Sets Premium | $22.99 | per year |


### Trejn

[App page](https://appshunter.io/ios/app/trejn/id6791120096)

**In-app purchases:** none


## Frequently asked questions

### Is Gym Sets free?

Gym Sets is free to download, with in-app purchases available.

### Is Trejn free?

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

### Do Gym Sets or Trejn have ads?

Neither Gym Sets nor Trejn shows ads.

### Which is updated more often, Gym Sets or Trejn?

Gym Sets ships an update every 9 days, and Trejn weekly. Most recently, Gym Sets was updated on October 7, 2026 and Trejn on October 9, 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.*