# Maritime Trainer vs CHIEF.

The clearest difference is update cadence: Maritime Trainer at every 2 weeks against CHIEF.'s every 2 months. On price, ads, in-app purchases and device support 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 every 2 weeks, CHIEF. every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Maritime Trainer | CHIEF. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 34 MB | 44 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [MTR BILISIM EGITIM VE DANISMANLIK ANONIM SIRKETI](https://appshunter.io/developer/1180440944) | [Maksym Bezagotiy](https://appshunter.io/developer/1873084962) |

## What reviewers say

### Maritime Trainer

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

**In-app purchases:** none


### CHIEF.

[App page](https://appshunter.io/ios/app/chief/id6758465675)

**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 CHIEF. free?

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

### Do Maritime Trainer or CHIEF. have ads?

Neither Maritime Trainer nor CHIEF. shows ads.

### Which is updated more often, Maritime Trainer or CHIEF.?

Maritime Trainer ships an update every 2 weeks, and CHIEF. every 2 months. Most recently, Maritime Trainer was updated on October 24, 2026 and CHIEF. on October 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.*