# Trossen vs Yamarin

The clearest difference is in-app purchases: Yamarin at none against Trossen's 10. Trossen's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Trossen sells 10 one-off in-app purchases. Yamarin asks for nothing beyond the download.

Trossen ships an update every 2 months, Yamarin every 6 weeks. Both last shipped on November 2, 2026.

## The numbers

| Metric | Trossen | Yamarin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 37 MB | 71 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sjöräddningssällskapet](https://appshunter.io/developer/924482449) | [Inhan Tehtaat Oy Ab](https://appshunter.io/developer/599048750) |

## What reviewers say

### Trossen

[App page](https://appshunter.io/ios/app/trossen/id1131233275)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trossen nr 3 2017 | $2.99 | one-time |
| Trossen nr 4 2017 | $2.99 | one-time |
| Trossen nr 1 2018 | $2.99 | one-time |
| Trossen nr 2 2018 | $2.99 | one-time |
| Trossen nr 3 2018 | $2.99 | one-time |
| Trossen nr 4 2018 | $2.99 | one-time |
| Trossen nr 1 2019 | $2.99 | one-time |
| Trossen nr 2 2019 | $2.99 | one-time |
| Trossen nr 3 2019 | $2.99 | one-time |
| Trossen nr 4 2019 | $2.99 | one-time |


### Yamarin

[App page](https://appshunter.io/ios/app/yamarin/id1447471702)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Trossen free?

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

### Is Yamarin free?

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

### Do Trossen or Yamarin have ads?

Yamarin shows ads; Trossen does not.

### Which is updated more often, Trossen or Yamarin?

Trossen ships an update every 2 months, and Yamarin every 6 weeks. Most recently, Trossen was updated on November 2, 2026 and Yamarin 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.*