# Engine Room Simulator vs Engine Lab

The clearest difference is update cadence: Engine Lab at every 9 days against Engine Room Simulator's every 3 weeks. On price, ads, in-app purchases 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 and Engine Lab sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Engine Room Simulator ships an update every 3 weeks, Engine Lab every 9 days. The most recent releases landed on September 6, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Engine Room Simulator | Engine Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/engine-room-simulator-ers/id6767850469/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 174 MB | 8 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Louie Juera](https://appshunter.io/developer/1638500957) | [Jan Sokol](https://appshunter.io/developer/1896490456) |

## What reviewers say

### 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 |


### Engine Lab

[App page](https://appshunter.io/ios/app/engine-lab-simulator-and-sound/id6790748979)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Engine Lab Pro | $4.99 | one-time |


## Frequently asked questions

### Is Engine Room Simulator free?

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

### Is Engine Lab free?

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

### Do Engine Room Simulator or Engine Lab have ads?

Neither Engine Room Simulator nor Engine Lab shows ads.

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

Engine Room Simulator ships an update every 3 weeks, and Engine Lab every 9 days. Most recently, Engine Room Simulator was updated on September 6, 2026 and Engine Lab on September 24, 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.*