# EngineForge vs RevLab

The clearest difference is in-app purchases: EngineForge at none against RevLab's 1. EngineForge also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. RevLab sells 1 one-off in-app purchase. EngineForge asks for nothing beyond the download.

## The numbers

| Metric | EngineForge | RevLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Size | 1 MB | 118 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Shamim Pirzada](https://appshunter.io/developer/6772596010) | [Jehyung Lee](https://appshunter.io/developer/1862976985) |

## What reviewers say

### EngineForge

[App page](https://appshunter.io/ios/app/engineforge/id6785618573)

**Features:** macOS Compatibility

**In-app purchases:** none


### RevLab

[App page](https://appshunter.io/ios/app/revlab-engine-simulator/id6817417979)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RevLab Pro | $4.99 | one-time |


## Frequently asked questions

### Is EngineForge free?

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

### Is RevLab free?

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

### Do EngineForge or RevLab have ads?

RevLab shows ads; EngineForge does not.

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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.*