# 전국민의 알까기 vs RevHeadz Engine Sounds

The clearest difference is review sentiment: RevHeadz Engine Sounds at 69% against 전국민의 알까기's 0%. RevHeadz Engine Sounds also leads on rating (4.3 vs 2.9) and ratings volume (1.4K vs 203). 전국민의 알까기'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. 전국민의 알까기 asks for nothing beyond the download.

RevHeadz Engine Sounds holds the better App Store score, 4.3 against 2.9. That said, the two scores are not equally well evidenced: RevHeadz Engine Sounds has 1.4K ratings behind it against 203, so its average is the more settled of the two. Written reviews point the same way: 0% of 전국민의 알까기's written reviews are positive against 69% of RevHeadz Engine Sounds's.

전국민의 알까기 ships an update every 5 days, RevHeadz Engine Sounds every 3 months. The most recent releases landed on October 21, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 전국민의 알까기 | RevHeadz Engine Sounds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (203 ratings)](https://appshunter.io/ios/app/free/id369835215/reviews) | **[4.3 (1.4K ratings)](https://appshunter.io/ios/app/revheadz-engine-sounds/id793064343/reviews)** |
| Number of ratings | 203 | **1.4K** |
| Positive reviews | 0.0% of reviews | **68.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 6 MB | 201 MB |
| Requires iOS | **2.2.1** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [1Games](https://appshunter.io/developer/347530156) | [D.S LONG & SOUNDWAVE CONCEPTS PTY. LTD. & C.G WISE](https://appshunter.io/developer/793064346) |

## What reviewers say

### 전국민의 알까기

[App page](https://appshunter.io/ios/app/free/id369835215)

Experience a realistic take on a classic Korean game with a physics engine. Play solo or with a friend across various boards and pieces, including a unique soccer-themed mode.

**Highlights:** Realistic physics engine, Soccer-themed challenge mode, 2-player mode, Multiple piece types (chess, Go, Korean chess), Various board types, Free-to-play

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

**In-app purchases:** none


### 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 전국민의 알까기 free?

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

### Is RevHeadz Engine Sounds free?

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

### Which has better reviews, 전국민의 알까기 or RevHeadz Engine Sounds?

RevHeadz Engine Sounds is rated higher. 전국민의 알까기 averages 2.9 out of 5 from 203 ratings, while RevHeadz Engine Sounds averages 4.3 from 1.4K ratings.

### Do 전국민의 알까기 or RevHeadz Engine Sounds have ads?

RevHeadz Engine Sounds shows ads; 전국민의 알까기 does not.

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

전국민의 알까기 ships an update every 5 days, and RevHeadz Engine Sounds every 3 months. Most recently, 전국민의 알까기 was updated on October 21, 2026 and RevHeadz Engine Sounds on October 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.*