# XLR8 vs RevHeadz Engine Sounds

The clearest difference is review sentiment: RevHeadz Engine Sounds at 69% against XLR8's 16%. RevHeadz Engine Sounds also leads on price (Free vs $4.99) and rating (4.3 vs 2.0). XLR8's advantage is ads (none vs shown). On in-app purchases, monetization model, device support and iOS requirement there is nothing between them.

RevHeadz Engine Sounds is free to download; XLR8 costs $4.99 up front. XLR8 sells 5 one-off in-app purchases and RevHeadz Engine Sounds sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

RevHeadz Engine Sounds holds the better App Store score, 4.3 against 2.0. That said, the two scores are not equally well evidenced: RevHeadz Engine Sounds has 1.4K ratings behind it against 168, so its average is the more settled of the two. Written reviews point the same way: 16% of XLR8's written reviews are positive against 69% of RevHeadz Engine Sounds's.

XLR8 ships an update every 7 months, RevHeadz Engine Sounds every 3 months. Both last shipped on September 26, 2026.

## The numbers

| Metric | XLR8 | RevHeadz Engine Sounds |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [2.0 (168 ratings)](https://appshunter.io/ios/app/xlr8/id506486124/reviews) | **[4.3 (1.4K ratings)](https://appshunter.io/ios/app/revheadz-engine-sounds/id793064343/reviews)** |
| Number of ratings | 168 | **1.4K** |
| Positive reviews | 15.6% of reviews | **68.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 78 MB | 201 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [2XL Games, Inc.](https://appshunter.io/developer/310951785) | [D.S LONG & SOUNDWAVE CONCEPTS PTY. LTD. & C.G WISE](https://appshunter.io/developer/793064346) |

## What reviewers say

### XLR8

[App page](https://appshunter.io/ios/app/xlr8/id506486124)

Transform your car's audio experience by making it sound like an exotic supercar. This app uses your device's accelerometers to simulate realistic engine sounds based on your driving actions. Choose from a variety of authentic engine sounds and customize their performance for an immersive driving simulation.

**Highlights:** Realistic engine sound simulation, Accelerometer-based input, Five authentic engine sound options, Engine performance tuning, Automatic and manual driving modes, Bluetooth and cabled audio support

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stock Car | $0.99 | one-time |
| American Sports Car | $1.99 | one-time |
| Italian Supercar | $2.99 | one-time |
| Italian Sports Car | $2.99 | one-time |
| Unlock All Engines | $4.99 | one-time |

**What reviewers like**

- 🚀 Works great
- 👍 Transforms car sounds
- 🤖 Tricks friends

**What reviewers complain about**

- 🐛 Doesn't work properly
- 💰 Requires in-app purchases
- 🔌 Drains battery
- 🤖 Inaccurate sound effects

**Reported bugs**

- Doesn't work on iOS 11/12
- Inconsistent performance
- Fails to download purchased content
- Doesn't detect vehicle motion

**Requested features**

- Background mode
- Accelerometer integration
- More car sounds
- Restore purchases option


### RevHeadz Engine Sounds

[App page](https://appshunter.io/ios/app/revheadz-engine-sounds/id793064343)

Experience realistic car and motorcycle engine sounds with interactive controls for gears, brakes, and acceleration. Connect to sound systems for an immersive audio experience. Supports OBD2 connectivity for real-time driving simulation.

**Highlights:** Realistic engine sound simulation, Interactive gear, brake, and accelerator controls, OBD2 connectivity for real-time driving, Vast library of car and bike engines, Connect to external sound systems, Detailed mechanical parameter simulation

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Historic Grand Prix Pack | $0.99 | one-time |
| Race Car Pack | $0.99 | one-time |
| Super Car Pack | $0.99 | one-time |
| Street Tuner Pack | $0.99 | one-time |
| Street Bike Pack | $0.99 | one-time |
| Off Road Pack | $0.99 | one-time |
| V8 Thunder Pack | $0.99 | one-time |
| Modern Grand Prix Pack | $0.99 | one-time |
| Import Pack | $0.99 | one-time |
| Classic American Muscle Pack | $0.99 | one-time |

**What reviewers like**

- 🚀 Great game
- 👍 Awesome sounds
- 👍 Realistic engine sounds
- 👍 Fun to use
- 👍 Satisfying experience

**What reviewers complain about**

- 💰 Paid packs required for more content
- 🐛 Connectivity issues with OBD2 adapters
- 🐛 Occasional crashes or bugs
- 🔋 High battery consumption

**Reported bugs**

- Inconsistent RPM/speed detection
- Delayed or unresponsive engine sounds
- Compatibility issues on certain devices
- Startup/shutdown sound not working in OBD2 mode

**Requested features**

- Add more free car sounds
- Include diesel engine sounds
- Implement turbo/supercharger sounds
- Add more JDM and classic car sounds
- Introduce a clutch/manual gearbox feature


## Frequently asked questions

### Is XLR8 free?

XLR8 costs $4.99, and also offers in-app purchases.

### Is RevHeadz Engine Sounds free?

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

### Which has better reviews, XLR8 or RevHeadz Engine Sounds?

RevHeadz Engine Sounds is rated higher. XLR8 averages 2.0 out of 5 from 168 ratings, while RevHeadz Engine Sounds averages 4.3 from 1.4K ratings.

### Do XLR8 or RevHeadz Engine Sounds have ads?

RevHeadz Engine Sounds shows ads; XLR8 does not.

### Which is updated more often, XLR8 or RevHeadz Engine Sounds?

XLR8 ships an update every 7 months, and RevHeadz Engine Sounds every 3 months. Most recently, XLR8 was updated on September 26, 2026 and RevHeadz Engine Sounds on September 26, 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.*