# cMate vs USC 13

The clearest difference is in-app purchases: cMate at none against USC 13's 3. cMate also leads on iOS requirement (10.0 vs 12.0). USC 13's advantage is update cadence (every 16 months vs every 51 months). On price, ads and device support there is nothing between them.

Both are free to download. USC 13 sells 3 one-off in-app purchases. cMate asks for nothing beyond the download.

cMate ships an update every 51 months, USC 13 every 16 months. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | cMate | USC 13 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cmate-lite/id1496589839/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 86.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 51 months | **Every 16 months** |
| Monetization | Free | — |
| Size | 52 MB | 59 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Maxim Lukyanenko](https://appshunter.io/developer/1496252741) | [Lyker Labs LLC](https://appshunter.io/developer/891194494) |

## What reviewers say

### cMate

[App page](https://appshunter.io/ios/app/cmate-lite/id1496589839)

This app provides comprehensive maritime regulations and codes, including collision prevention, international signals, life-saving appliances, and safety at sea conventions. It also features weather forecast reading and maritime dictionaries.

**Highlights:** Collision prevention regulations, International signal codes, Life-saving appliance code, Safety of life at sea conventions, Weather forecast reading, Maritime dictionaries

**Features:** macOS Compatibility

**In-app purchases:** none


### USC 13

[App page](https://appshunter.io/ios/app/usc-13-census/id1557889404)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| USC Title 13 | $4.99 | one-time |
| USC Title 13 | $12.99 | one-time |
| USC Title 13 | $44.99 | one-time |


## Frequently asked questions

### Is cMate free?

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

### Is USC 13 free?

USC 13 is free to download, with in-app purchases available.

### Do cMate or USC 13 have ads?

Neither cMate nor USC 13 shows ads.

### Which is updated more often, cMate or USC 13?

cMate ships an update every 51 months, and USC 13 every 16 months. Most recently, cMate was updated on October 9, 2026 and USC 13 on October 14, 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.*