# Engine Sound vs RevApp

The clearest difference is iOS requirement: RevApp at 16.0 against Engine Sound's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Engine Sound sells 1 one-off in-app purchase and RevApp sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Engine Sound | RevApp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Size | 5 MB | 9 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yuya Suzuki](https://appshunter.io/developer/1882402717) | [Maximilian Seiler](https://appshunter.io/developer/6817412921) |

## What reviewers say

### Engine Sound

[App page](https://appshunter.io/ios/app/engine-sound/id6816795459)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Engines | $0.99 | one-time |


### RevApp

[App page](https://appshunter.io/ios/app/revapp-engine-lab/id6817412919)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Supercar Garage | $3.99 | one-time |
| Car Collection | $6.99 | one-time |


## Frequently asked questions

### Is Engine Sound free?

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

### Is RevApp free?

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

### Do Engine Sound or RevApp have ads?

Neither Engine Sound nor RevApp 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.*