# 123\Tune+ vs OBD SOUND

The clearest difference is rating: 123\Tune+ at 4.5 against OBD SOUND's 2.6. 123\Tune+ also leads on in-app purchases (none vs 1) and review sentiment (58% vs 31%). OBD SOUND's advantage is iOS requirement (9.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. OBD SOUND sells 1 one-off in-app purchase. 123\Tune+ asks for nothing beyond the download.

123\Tune+ holds the better App Store score, 4.5 against 2.6. That said, the two scores are not equally well evidenced: 123\Tune+ has 254 ratings behind it against 39, so its average is the more settled of the two. Written reviews point the same way: 58% of 123\Tune+'s written reviews are positive against 31% of OBD SOUND's.

123\Tune+ ships an update every 3 weeks, OBD SOUND every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 123\Tune+ | OBD SOUND |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (254 ratings)](https://appshunter.io/ios/app/123tune-plus/id890882601/reviews)** | [2.6 (39 ratings)](https://appshunter.io/ios/app/obd-sound/id960839379/reviews) |
| Number of ratings | **254** | 39 |
| Positive reviews | **57.7% of reviews** | 30.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 209 MB | 75 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Albertronic B.V.](https://appshunter.io/developer/890882604) | [artur tagirov](https://appshunter.io/developer/931425259) |

## What reviewers say

### 123\Tune+

[App page](https://appshunter.io/ios/app/123tune-plus/id890882601)

Control your classic car's ignition wirelessly via Bluetooth. Adjust advance and vacuum curves, monitor real-time engine data, and utilize features like a PIN-code immobilizer and rev limiter. Compatible with a wide range of classic vehicles.

**Highlights:** Wireless ignition curve adjustment, Real-time engine data monitoring, PIN-code immobilizer, Soft rev limiter, Tune mode for timing tests, MAP/boost sensor support

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

**In-app purchases:** none


### OBD SOUND

[App page](https://appshunter.io/ios/app/obd-sound/id960839379)

Transform your standard car into a sports car with realistic engine sounds. This app uses your Wi-Fi OBD adapter to read ECU data and generate dynamic engine and turbocharger sounds, playable through your car's audio system. A demo mode is available for testing without an adapter.

**Highlights:** Real-time ECU data reading, Customizable engine sounds, Turbocharger sound effects, Demo mode for testing, Wi-Fi OBD adapter integration, Audio output via AUX, Bluetooth, or FM transmitter

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all sounds | $3.99 | one-time |


## Frequently asked questions

### Is 123\Tune+ free?

123\Tune+ is free to download, with no in-app purchases.

### Is OBD SOUND free?

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

### Which has better reviews, 123\Tune+ or OBD SOUND?

123\Tune+ is rated higher. 123\Tune+ averages 4.5 out of 5 from 254 ratings, while OBD SOUND averages 2.6 from 39 ratings.

### Do 123\Tune+ or OBD SOUND have ads?

Neither 123\Tune+ nor OBD SOUND shows ads.

### Which is updated more often, 123\Tune+ or OBD SOUND?

123\Tune+ ships an update every 3 weeks, and OBD SOUND every 2 months. Most recently, 123\Tune+ was updated on October 26, 2026 and OBD SOUND on October 24, 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.*