# Maritime Knowledge vs CES Trainer

The clearest difference is in-app purchases: Maritime Knowledge at none against CES Trainer's 1. Maritime Knowledge also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.4). CES Trainer's advantage is update cadence (daily vs monthly). On price and ads there is nothing between them.

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

Maritime Knowledge ships an update monthly, CES Trainer daily. The most recent releases landed on September 25, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Maritime Knowledge | CES Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Free | — |
| Size | 40 MB | 59 MB |
| Requires iOS | **12.0** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [MTECH COMMERCE AND BUSINESS SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1141333645) | [Yevgenii Kryzhanivskyi](https://appshunter.io/developer/1778319692) |

## What reviewers say

### Maritime Knowledge

[App page](https://appshunter.io/ios/app/maritime-knowledge/id1488568770)

This application offers comprehensive marine education resources, including structured study materials and video lectures from experienced professors. It aims to provide accessible, quality learning for marine students worldwide, saving them time and energy.

**Highlights:** Online study materials, Video lectures, Structured curriculum, Experienced professors, Accessible worldwide, Student-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### CES Trainer

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

**Features:** macOS Compatibility

**In-app purchases (1)**

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


## Frequently asked questions

### Is Maritime Knowledge free?

Maritime Knowledge 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 Maritime Knowledge or CES Trainer have ads?

Neither Maritime Knowledge nor CES Trainer shows ads.

### Which is updated more often, Maritime Knowledge or CES Trainer?

Maritime Knowledge ships an update monthly, and CES Trainer daily. Most recently, Maritime Knowledge was updated on September 25, 2026 and CES Trainer on September 28, 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.*