# MSS Sea vs MMD Exam

The clearest difference is update cadence: MMD Exam at fortnightly against MSS Sea's every 5 weeks. MSS Sea's advantage is iOS requirement (15 vs 17.6). 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.

MSS Sea ships an update every 5 weeks, MMD Exam fortnightly. The most recent releases landed on November 11, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MSS Sea | MMD Exam |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | — | Free |
| Size | 25 MB | 26 MB |
| Requires iOS | **15** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Maersk Supply Service AS](https://appshunter.io/developer/1481439076) | [Deepak Kumar](https://appshunter.io/developer/1788929701) |

## What reviewers say

### MSS Sea

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

**In-app purchases:** none


### MMD Exam

[App page](https://appshunter.io/ios/app/mmd-exam/id6740208891)

Prepare for Maritime Mercantile Department (MMD) exams in India with this comprehensive study tool. Access interactive navigation rules, past question papers for various certifications, and study materials from qualified persons. Designed for maritime professionals and students to aid in achieving certification success.

**Highlights:** Interactive COLREG rules with explanations, Extensive past examination papers, Study material from qualified persons, Offline access to downloaded papers, User-friendly interface, Organized by certification level

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MSS Sea free?

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

### Is MMD Exam free?

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

### Do MSS Sea or MMD Exam have ads?

Neither MSS Sea nor MMD Exam shows ads.

### Which is updated more often, MSS Sea or MMD Exam?

MSS Sea ships an update every 5 weeks, and MMD Exam fortnightly. Most recently, MSS Sea was updated on November 11, 2026 and MMD Exam on October 30, 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.*