# KARCO vs CES Trainer

The clearest difference is in-app purchases: KARCO at none against CES Trainer's 1. KARCO also leads on update cadence (every 3 days vs every 11 months) and iOS requirement (15.1 vs 17.4). On price, ads and device support there is nothing between them.

Both are free to download. CES Trainer sells 1 one-off in-app purchase. KARCO asks for nothing beyond the download.

KARCO ships an update every 3 days, CES Trainer every 11 months. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | KARCO | CES Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ces-trainer-seafarer-test/id6737857414/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 11 months |
| Monetization | — | Free |
| Size | 34 MB | 62 MB |
| Requires iOS | **15.1** | 17.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Karishma Marine Soultions Private Limited](https://appshunter.io/developer/1749281191) | [Yevgenii Kryzhanivskyi](https://appshunter.io/developer/1778319692) |

## What reviewers say

### KARCO

[App page](https://appshunter.io/ios/app/karco/id6503446103)

**Features:** macOS Compatibility

**In-app purchases:** none


### CES Trainer

[App page](https://appshunter.io/ios/app/ces-trainer-seafarer-test/id6737857414)

Prepare for the CES seafarer test with practice questions and instant feedback. Study all questions with answers, track your readiness score, and review mistakes. Works offline with a clean design and dark mode.

**Highlights:** Practice CES-format questions, Offline access to all questions, Training and exam modes, Readiness score tracking, Review mistakes and save favorites, Searchable question bank

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a beer | $4.99 | one-time |


## Frequently asked questions

### Is KARCO free?

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

### Is CES Trainer free?

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

### Do KARCO or CES Trainer have ads?

Neither KARCO nor CES Trainer shows ads.

### Which is updated more often, KARCO or CES Trainer?

KARCO ships an update every 3 days, and CES Trainer every 11 months. Most recently, KARCO was updated on October 6, 2026 and CES Trainer on October 13, 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.*