123\Tune+ vs OBD SOUND
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
123\Tune+
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.
- Wireless ignition curve adjustment
- Real-time engine data monitoring
- PIN-code immobilizer
- Soft rev limiter
- Tune mode for timing tests
- MAP/boost sensor support
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Take full control of your classic car’s ignition with the 123\Tune+ app and distributor. Wirelessly adjust and upload custom advance and vacuum curves via Bluetooth. Monitor real-time engine data including RPM, battery voltage, distributor temperature, MAP pressure, ignition advance, and GPS speed. The 123\Tune+ offers advanced features like a PIN-code immobilizer for theft protection, a soft rev limiter, and a unique "Tune" mode for testing ignition timing impact on acceleration between two RPM points. Compatible with both 6V and 12V systems, CW and CCW rotation, and equipped with a MAP/boost sensor. Works with a wide range of classic vehicles — from Alfa Romeo and Jaguar to Volkswagen and Volvo. Visit 123ignition.com for supported models and more details.
OBD SOUND
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.
- 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
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Want your car to sound like a famous sports cars? Now you can! Use your Wi-Fi OBD adapter (like the ELM327) and your IPhone/IPad to make the greatest engine sounds ever heard in a standard car! Connect the phone/tablet to car audio system via AUX cable, Bluetooth headset or FM transmitter for a great sound experience, have fun! This app reads ECU information in real time and generates selected engine sound. For more fun you can switch on turbocharger sounds. You can test the app sounds without OBD adapter by switching to demo mode. How to speed up Wi-Fi OBD adapter 1. Connect the adapter to OBDII connector of the car, turn the ignition on 2. Connect to the adapter via Wi-Fi 3. Open a Web browser and in the address bar, enter the network adapter address (e.g. http://192.168.0.10) 4. On login/pass request enter admin/000000 or admin/admin 5. In the admin panel find an option: Serial Framing Timeout (or Package Time or Data trigger Timeout). Set a value between 1-10. Save and reconnect the adapter to the car
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | 123\Tune+ | OBD SOUND |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (254 ratings) — better | 2.6 (39 ratings) |
| Positive reviews | 57.7% of reviews — better | 30.7% of reviews |
| Number of ratings | 254 — better | 39 |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 209 MB | 75 MB |
| Age rating | 4+ | 12+ |
| Developer | Albertronic B.V. | artur tagirov |
Customer experience
123\Tune+
OBD SOUND
In-app purchases
123\Tune+
No in-app purchases
OBD SOUND
- Unlock all sounds$3.99
