# Engine Lab vs Open V8

The clearest difference is in-app purchases: Open V8 at none against Engine Lab's 1. Engine Lab's advantage is iOS requirement (18.0 vs 27.0). On price, ads and device support there is nothing between them.

Both are free to download. Engine Lab sells 1 one-off in-app purchase. Open V8 asks for nothing beyond the download.

## The numbers

| Metric | Engine Lab | Open V8 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (16 ratings)](https://appshunter.io/ios/app/engine-lab-simulator-and-sound/id6790748979/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 3 MB |
| Requires iOS | **18.0** | 27.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jan Sokol](https://appshunter.io/developer/1896490456) | [Patrick Christensen](https://appshunter.io/developer/1618808605) |

## What reviewers say

### Engine Lab

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

Design and simulate car engines, from single cylinders to V12s, and hear them run. Explore 3D models, test performance on a dyno, and even drive them with a simulated gearbox. Share your creations and compare them with others.

**Highlights:** Build custom engines, Hear engines idle and rev, 3D engine visualization, Simulated dyno testing, Manual/automatic gearbox simulation, Import and share engine builds

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

**In-app purchases (1)**

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


### Open V8

[App page](https://appshunter.io/ios/app/open-v8/id6819736766)

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

**In-app purchases:** none


## Frequently asked questions

### Is Engine Lab free?

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

### Is Open V8 free?

Open V8 is free to download, with no in-app purchases.

### Do Engine Lab or Open V8 have ads?

Neither Engine Lab nor Open V8 shows ads.

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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.*