# Sailing Quiz HD vs MSS Sea

The clearest difference is in-app purchases: MSS Sea at none against Sailing Quiz HD's 2. MSS Sea also leads on ads (none vs shown) and update cadence (every 5 weeks vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Sailing Quiz HD sells 2 in-app purchases, starting at $4.99 per month. MSS Sea asks for nothing beyond the download.

Sailing Quiz HD ships an update every 3 months, MSS Sea every 5 weeks. Both last shipped on October 20, 2026.

## The numbers

| Metric | Sailing Quiz HD | MSS Sea |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/sailing-quiz-hd/id488657001/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 25 MB |
| Requires iOS | **14.5** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nautica SIA](https://appshunter.io/developer/486201925) | [Maersk Supply Service AS](https://appshunter.io/developer/1481439076) |

## What reviewers say

### Sailing Quiz HD

[App page](https://appshunter.io/ios/app/sailing-quiz-hd/id488657001)

Enhance your maritime knowledge with interactive lessons and quizzes covering navigation, safety, and regulations. This app is ideal for sailors, yachters, and boaters of all levels to prepare for exams or refresh their skills. Learn and practice essential sailing concepts anytime, anywhere, even offline.

**Highlights:** Interactive lessons and quizzes, Covers chartwork, safety, buoyage, and more, Offline functionality, Questions, pictures, and animations, Regularly updated content, Suitable for beginners and experienced sailors

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $4.99 | per month |
| 1 Year | $22.99 | per year |


### MSS Sea

[App page](https://appshunter.io/ios/app/mss-sea-learn/id1598307621)

**In-app purchases:** none


## Frequently asked questions

### Is Sailing Quiz HD free?

Sailing Quiz HD is free to download, with in-app purchases available.

### Is MSS Sea free?

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

### Do Sailing Quiz HD or MSS Sea have ads?

Sailing Quiz HD shows ads; MSS Sea does not.

### Which is updated more often, Sailing Quiz HD or MSS Sea?

Sailing Quiz HD ships an update every 3 months, and MSS Sea every 5 weeks. Most recently, Sailing Quiz HD was updated on October 20, 2026 and MSS Sea on October 20, 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.*