# MARPOL vs Anchored

The clearest difference is price: Anchored at Free against MARPOL's $1.99. Anchored also leads on iOS requirement (15.1 vs 17.5). MARPOL's advantage is in-app purchases (none vs 4). On ads and device support there is nothing between them.

Anchored is free to download; MARPOL costs $1.99 up front. Anchored sells 4 in-app purchases, starting at $14.99 per month. MARPOL asks for nothing beyond the download.

## The numbers

| Metric | MARPOL | Anchored |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Paid | — |
| Size | 36 MB | 49 MB |
| Requires iOS | 17.5 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OLEKSANDR IZERGIN](https://appshunter.io/developer/1678396126) | [MATT KING](https://appshunter.io/developer/1868657080) |

## What reviewers say

### MARPOL

[App page](https://appshunter.io/ios/app/marpol/id6563146975)

This interactive course covers the MARPOL Convention, including all annexes with detailed visuals. Engage with varied tests to master the material and aim for captain-level knowledge.

**Highlights:** Interactive MARPOL Convention course, All MARPOL Annexes included, Detailed images, Varied tests and tasks, Progress tracking to captain level

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

**In-app purchases:** none


### Anchored

[App page](https://appshunter.io/ios/app/anchored-maritime-orals-prep/id6796849083)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OOW | $14.99 | per month |
| Chief Mate | $14.99 | per month |
| Master | $14.99 | per month |
| All Exams | $29.99 | per month |


## Frequently asked questions

### Is MARPOL free?

MARPOL costs $1.99, with no in-app purchases.

### Is Anchored free?

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

### Do MARPOL or Anchored have ads?

Neither MARPOL nor Anchored shows ads.

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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.*