OBD SOUND vs Speedometer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Read full descriptionHide full description
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
Speedometer
Track your speed and location with a GPS-powered dashboard. Features include weather updates, a compass, and speed limit alerts based on real-time road data. Customize the display and utilize HUD mode for enhanced visibility.
- GPS speed tracking
- Map location display
- Current weather and temperature
- Analog compass
- Speed limit alerts
- HUD mode
- Apple Watch support
Read full descriptionHide full description
Measure your speed with this beautiful designed speed dashboard with many other functionality. It can track your speed, location on map by using GPS. Features: * Graphical presentation of speed * Analog and numeric speed * Current location weather and temperature in Celsius or Fahrenheit * Kilometer and Mile unit system selection * Change dashboard different color * Analog Compass * Map location * Maximum, average speed and odometer * Speed limit of current road getting online info from open street.org * Over speed limit warn * Current road name * Portrait and landscape mode * HUD (Head up Display Mode) * Today widget presentation * Apple watch support and syncronisation
Screenshots
Verdict
The clearest difference is rating: Speedometer at 4.6 against OBD SOUND's 2.5. Speedometer also leads on review sentiment (69% vs 31%) and in-app purchases (none vs 1). OBD SOUND's advantage is iOS requirement (9.0 vs 13.0). On price, update cadence, 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. Speedometer asks for nothing beyond the download.
Speedometer holds the better App Store score, 4.6 against 2.5. That said, the two scores are not equally well evidenced: Speedometer has 1.8K ratings behind it against 38, so its average is the more settled of the two. Written reviews point the same way: 31% of OBD SOUND's written reviews are positive against 69% of Speedometer's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 17, 2026 and September 26, 2026 respectively.
| Parameter | OBD SOUND | Speedometer |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (38 ratings) | 4.6 (1.8K ratings) — better |
| Positive reviews | 30.7% of reviews | 69.1% of reviews — better |
| Number of ratings | 38 | 1.8K — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 75 MB | 7 MB |
| Age rating | 12+ | 4+ |
| Developer | artur tagirov | UniCom Technology |
Customer experience
OBD SOUND
Speedometer
Bugs and requests
OBD SOUND
Not enough reviews yet to summarise bugs or requests.
Speedometer
Reported bugs
3 issues- Speedometer not accurate at high speeds
- GPS signal slow to update
- Speed limit not always correct
Requested features
2 requests- Option to remove ads
- Thicker/bolder font for better readability
In-app purchases
OBD SOUND
- Unlock all sounds$3.99
Speedometer
No in-app purchases
Questions
Is OBD SOUND free?
Is Speedometer free?
Which has better reviews, OBD SOUND or Speedometer?
Do OBD SOUND or Speedometer have ads?
Which is updated more often, OBD SOUND or Speedometer?
Other comparisons
