# Maritime Knowledge vs Engine Room Simulator

The clearest difference is in-app purchases: Maritime Knowledge at none against Engine Room Simulator's 2. Maritime Knowledge also leads on iOS requirement (12.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Engine Room Simulator sells 2 in-app purchases, starting at $9.99 per year. Maritime Knowledge asks for nothing beyond the download.

Maritime Knowledge ships an update monthly, Engine Room Simulator every 3 weeks. The most recent releases landed on October 11, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Maritime Knowledge | Engine Room Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/engine-room-simulator-ers/id6767850469/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 40 MB | 174 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MTECH COMMERCE AND BUSINESS SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1141333645) | [Louie Juera](https://appshunter.io/developer/1638500957) |

## 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


### Engine Room Simulator

[App page](https://appshunter.io/ios/app/engine-room-simulator-ers/id6767850469)

This app offers a high-fidelity simulation for marine engineering training. It allows users to practice shipboard engine-room procedures, from safety training to full voyage simulation, with clear guidance and feedback. Ideal for cadets, students, and seafarers to build practical skills anytime, anywhere.

**Highlights:** High-fidelity marine engineering simulation, PPE safety training and induction, Generator synchronization and startup, Full voyage simulation, Guided and assessment learning modes, Offline practice capability

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ERS Pro Yearly | $9.99 | per year |
| ERS Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Maritime Knowledge free?

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

### Is Engine Room Simulator free?

Engine Room Simulator is free to download, with in-app purchases available.

### Do Maritime Knowledge or Engine Room Simulator have ads?

Neither Maritime Knowledge nor Engine Room Simulator shows ads.

### Which is updated more often, Maritime Knowledge or Engine Room Simulator?

Maritime Knowledge ships an update monthly, and Engine Room Simulator every 3 weeks. Most recently, Maritime Knowledge was updated on October 11, 2026 and Engine Room Simulator on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*