# Saint Nicholas vs Engine Room Simulator

The clearest difference is in-app purchases: Saint Nicholas at none against Engine Room Simulator's 2. Saint Nicholas also leads on iOS requirement (11.0 vs 16.0). Engine Room Simulator's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, 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. Saint Nicholas asks for nothing beyond the download.

Saint Nicholas ships an update every 6 weeks, Engine Room Simulator every 3 weeks. The most recent releases landed on September 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Saint Nicholas | 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 | Every 6 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 110 MB | 174 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [James Nikko Hosana](https://appshunter.io/developer/1090779094) | [Louie Juera](https://appshunter.io/developer/1638500957) |

## What reviewers say

### Saint Nicholas

[App page](https://appshunter.io/ios/app/saint-nicholas/id1136817762)

Access comprehensive maritime resources and references to prepare for Marine Deck and Engine officer exams. Offers online and onsite review options, ensuring you stay updated with the latest MARINA exam guides anytime, anywhere.

**Highlights:** Maritime exam resources, Marine Deck and Engine officer preparation, Online 24/7 review, Onsite review options, Updated MARINA exam guides, Nationwide office locations

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

**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 Saint Nicholas free?

Saint Nicholas 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 Saint Nicholas or Engine Room Simulator have ads?

Neither Saint Nicholas nor Engine Room Simulator shows ads.

### Which is updated more often, Saint Nicholas or Engine Room Simulator?

Saint Nicholas ships an update every 6 weeks, and Engine Room Simulator every 3 weeks. Most recently, Saint Nicholas was updated on September 24, 2026 and Engine Room Simulator on October 7, 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.*