# RevHeadz Engine Sounds vs HYPER 4WD

The clearest difference is review sentiment: RevHeadz Engine Sounds at 69% against HYPER 4WD's 25%. RevHeadz Engine Sounds also leads on rating (4.3 vs 2.0) and ratings volume (1.4K vs 23). HYPER 4WD's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. RevHeadz Engine Sounds sells 10 one-off in-app purchases. HYPER 4WD asks for nothing beyond the download.

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 23, so its average is the more settled of the two. Written reviews point the same way: 69% of RevHeadz Engine Sounds's written reviews are positive against 25% of HYPER 4WD's.

RevHeadz Engine Sounds ships an update every 3 months, HYPER 4WD every 6 weeks. The most recent releases landed on September 23, 2026 and September 2, 2026 respectively.

## The numbers

| Metric | RevHeadz Engine Sounds | HYPER 4WD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (1.4K ratings)](https://appshunter.io/ios/app/revheadz-engine-sounds/id793064343/reviews)** | [2.0 (23 ratings)](https://appshunter.io/ios/app/hyper-4wd/id1619748352/reviews) |
| Number of ratings | **1.4K** | 23 |
| Positive reviews | **68.5% of reviews** | 25.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 201 MB | 18 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [D.S LONG & SOUNDWAVE CONCEPTS PTY. LTD. & C.G WISE](https://appshunter.io/developer/793064346) | [健 吴](https://appshunter.io/developer/915660333) |

## What reviewers say

### 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


### HYPER 4WD

[App page](https://appshunter.io/ios/app/hyper-4wd/id1619748352)

Connect and control toy cars via Bluetooth. Monitor real-time vehicle status, track performance, and record lap times. View GPS tracks on a map.

**Highlights:** Bluetooth toy car connection, Real-time vehicle status display, Vehicle track record, Lap timing, GPS track mapping

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RevHeadz Engine Sounds free?

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

### Is HYPER 4WD free?

HYPER 4WD is free to download, with no in-app purchases.

### Which has better reviews, RevHeadz Engine Sounds or HYPER 4WD?

RevHeadz Engine Sounds is rated higher. RevHeadz Engine Sounds averages 4.3 out of 5 from 1.4K ratings, while HYPER 4WD averages 2.0 from 23 ratings.

### Do RevHeadz Engine Sounds or HYPER 4WD have ads?

RevHeadz Engine Sounds shows ads; HYPER 4WD does not.

### Which is updated more often, RevHeadz Engine Sounds or HYPER 4WD?

RevHeadz Engine Sounds ships an update every 3 months, and HYPER 4WD every 6 weeks. Most recently, RevHeadz Engine Sounds was updated on September 23, 2026 and HYPER 4WD on September 2, 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.*