# MSS Sea vs CGoDev

The clearest difference is ads: MSS Sea at none against CGoDev's shown. CGoDev's advantage is update cadence (fortnightly vs every 5 weeks) and iOS requirement (12.0 vs 15). On price, 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, CGoDev fortnightly. The most recent releases landed on October 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | MSS Sea | CGoDev |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Size | 25 MB | 50 MB |
| Requires iOS | 15 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maersk Supply Service AS](https://appshunter.io/developer/1481439076) | [Trung Truong Thanh](https://appshunter.io/developer/1128637219) |

## What reviewers say

### MSS Sea

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

**In-app purchases:** none


### CGoDev

[App page](https://appshunter.io/ios/app/cgodev-online-learning/id1669143119)

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

**In-app purchases:** none


## Frequently asked questions

### Is MSS Sea free?

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

### Is CGoDev free?

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

### Do MSS Sea or CGoDev have ads?

CGoDev shows ads; MSS Sea does not.

### Which is updated more often, MSS Sea or CGoDev?

MSS Sea ships an update every 5 weeks, and CGoDev fortnightly. Most recently, MSS Sea was updated on October 20, 2026 and CGoDev 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.*