# Maritime Trainer vs IRIS

The clearest difference is update cadence: IRIS at every 2 days against Maritime Trainer's fortnightly. Maritime Trainer's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Maritime Trainer ships an update fortnightly, IRIS every 2 days. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Maritime Trainer | IRIS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Size | 34 MB | 58 MB |
| Requires iOS | **15.5** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [MTR BILISIM EGITIM VE DANISMANLIK ANONIM SIRKETI](https://appshunter.io/developer/1180440944) | [ELOSOFT INC](https://appshunter.io/developer/1582738042) |

## What reviewers say

### Maritime Trainer

[App page](https://appshunter.io/ios/app/maritime-trainer/id6469516767)

**In-app purchases:** none


### IRIS

[App page](https://appshunter.io/ios/app/iris-sams/id6802582212)

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

**In-app purchases:** none


## Frequently asked questions

### Is Maritime Trainer free?

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

### Is IRIS free?

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

### Do Maritime Trainer or IRIS have ads?

Neither Maritime Trainer nor IRIS shows ads.

### Which is updated more often, Maritime Trainer or IRIS?

Maritime Trainer ships an update fortnightly, and IRIS every 2 days. Most recently, Maritime Trainer was updated on October 16, 2026 and IRIS 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.*