OBD Connect vs Live Spec
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OBD Connect
Monitor your car's performance in real-time with virtual gauges and graphs. Diagnose and clear trouble codes to understand vehicle malfunctions before visiting a mechanic. Track fuel economy to save on gas.
- Real-time performance monitoring
- Trouble code reading and clearing
- Fuel economy tracking
- Customizable gauges and graphs
- Car profiles and settings
- Race track data and drag times
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Track performance of your car in real time with virtual gauges and graphs. Troubleshoot malfunctions by accessing the on board ECU. Know what is wrong with your car before taking it to the mechanic. Don't get ripped off when buying a used car. Run our diagnostics feature and get a vehicle health score. These are just some of the features OBD Connect has to offer. OBD Connect transforms your phone into an all in one performance monitoring and troubleshooting tool for your car. ** Notice - We don't recommend using knock-off adapters as it may not be compatible with the app. OBD Connect features: • Customizable gauges track up to 100 sensors in real time including fuel economy, G-force, gear display and battery voltage. • Fast polling rate allows for a smoother and more responsive gauges and graphing.* • Read and Clear trouble codes and reset MIL (service engine light). Over a thousand codes available with description, causes and symptoms. • Metric and Imperial measures. • Real-time user-defined sensor plotting. Graph as many sensors desired at the same time on interactive graph that can be scrolled, paused. • Gauge list feature can track every sensor at the same time. • CarPlay, display gauges on car head unit. • Create car profiles and customize settings. • Freeze frame support (mode 02). • Instant horsepower, mpg/kpl fuel economy, boost pressure and G force tracking. • Read Vehicle VIN number, calibration ID and more (mode 09). • Speed limit warning: Get notified when driving over speed limit. • High oil/coolant temperature warning gives you instant notification when your car is running too hot. • HUD mode for dashboard view : Heads up display for driving at night. • Emissions test readiness. • Multiple ECU support. • Shift light. • Two themes to choose from. • Landscape mode. • High value sensor gauge notification. • Enhanced PID support for specific manufacturers (mode 22). • Fuel Economy: - Instant and average fuel economy tracking for 0-5 min, 0-30 min and 0-2 hr intervals and a detailed summary. - Long term tracking with six different intervals. (1 week, 2 weeks, 4 weeks, 13 weeks, 26 and 52 weeks). - 4 different units of measure: MPG,KPL (Km/L), L/100 Km, Miles per imperial gallon. - Interactive graph of long term data that can be cropped and scrolled through. - Export fuel history to CSV file (spreadsheets). - Other statistics: Distance travelled, average speed, money spent, CO2 produced and fuel consumed. - 3 methods of calculation available. For non MAF vehicles. • Race track package: - Real time lap data, gap delay time and position in race track using high frequency GPS tracking. - Comprehensive summary of race with lap times, speed fluctuations on track and more. - Get drag racing times (0-60 mph, 0-100 mph, 1/4 mile 1/8 mile etc.) - Load and save unlimited number of tracks onto device. - Crucial racing data including real time horsepower, g-force and a detailed driving summary. Share your results with friends. - Transmission gear information and optional shifting assistant which notifies optimal moment of shifting gears. - Customizable view that toggles between speed/rpm gauge, real time track positioning and G-sensor feedback. - Record your race in HD with gauge and track overlays. (dash cam add-on required) • Dashcam: Record smooth HD video with overlaying gauges (speed,rpm, etc), time, location (GPS coordinates) and G-force sensor in four different resolutions. You can record from 90 sensors and up to 5 gauges. • Sensor logger: You can record many sensors at the same time with 5 different refresh rates. Save graph sensor data to CSV file and export to PC/MAC for further analysis. Send real time data to TCP socket (IP Address) over network. ** NOTICE** OBD Connect is compatible with WIFI adapters, OBDLink MX+, Vgate vLinker FS/MS and the following Bluetooth LE adapters: Kiwi 3/4 PLX, Veepeak BLE, Carista BT, LE LElink and VGate iCar Pro/ pro 2, vLinker FD+,MC+ adapter.
Live Spec
Transform your phone into a real-time car performance tracker and diagnostic tool. Monitor vital sensors, troubleshoot engine codes, and track fuel economy to save money. Features include customizable gauges, graphing, and race track data analysis.
- Real-time sensor tracking
- Read and clear trouble codes
- Fuel economy tracking
- Customizable gauges and graphs
- Race track data analysis
- Speed limit warnings
- HUD mode for night driving
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Track performance of your car in real time by virtual gauges and graphs. Troubleshoot malfunctions by accessing the on board ECU. Know what is wrong with your car before taking it to the mechanic. Track fuel economy and save money on gas. These are just some of the features Live spec by Black Market Performance has to offer. Live spec transforms your phone/tablet into an all in one performance tracking and troubleshooting tool for your car. Live spec features: • Customizable gauges track up to 100 sensors in real time including fuel economy, G-force, gear display and battery voltage. • Read and Clear trouble codes and reset MIL (service engine light). • Metric and Imperial measures. • Real-time user-defined sensor plotting. Graph up to 4 sensors at the same time on interactive graph that can be scrolled, paused and selected. • Gauge list feature can track every sensor at the same time. • Freeze frame support (mode 02). • Instant horsepower, mpg/kpl fuel economy, boost pressure and G force tracking. • Read Vehicle VIN number, calibration ID and more (mode 09). • Speed limit warning: Get notified when driving over speed limit. • High oil/coolant temperature warning gives you instant notification when your car is running too hot. • HUD mode for dashboard view : Heads up display for driving at night. • Emissions test readiness. • Multiple ECU support. • Two themes to choose from. • Console mode for entering OBD commands. • landscape mode for all views. • Additional Cummins PIDs. • Extended PID support: Enhanced PID support for specific manufacturers (mode 22). • Fuel Economy: - Instant and average fuel economy tracking for 0-5 min, 0-30 min and 0-2 hr intervals and a detailed summary. - Long term tracking with six different intervals. (1 week, 2 weeks, 4 weeks, 13 weeks, 26 and 52 weeks). - 4 different units of measure: MPG,KPL (Km/L), L/100 Km, Miles per imperial gallon. - Interactive graph of long term data that can be cropped and scrolled through. - Export fuel history to CSV file (spreadsheets). - Other statistics: Distance travelled, average speed, money spent, CO2 produced and fuel consumed. - 3 methods of calculation available. For non MAF vehicles. • Race track package: - Real time lap data, gap delay time and position in race track using high frequency GPS tracking. - Comprehensive summary of race with lap times, speed fluctuations on track and more. - Get drag racing times (0-60 mph, 0-100 mph, 1/4 mile 1/8 mile etc.) - Load and save unlimited number of tracks onto device. - Crucial racing data including real time horsepower, g-force and a detailed driving summary. Share your results with friends. - Transmission gear information and optional shifting assistant which notifies optimal moment of shifting gears. - Customizable view that toggles between speed/rpm gauge, real time track positioning and G-sensor feedback. - Record your race in HD with gauge and track overlays. (dash cam add-on required) • Dashcam: Record smooth HD video with overlaying gauges (speed,rpm, etc), time, location (GPS coordinates) and G-force sensor in four different resolutions. You can record from 90 sensors and up to 5 gauges. • Sensor logger: You can record up to four sensors at the same time with 5 different refresh rates. Save graph sensor data to CSV file and export to PC/MAC for further analysis. Send real time data to TCP socket (IP Address) over network. - For fuel economy feature your vehicle must be equipped with MAF sensor. *** NOTE: A BMP Live spec OBD adapter or OBD2 Bluetooth LE adapter is required for this app to work. Support: livespectech@gmail.com Black Market Performance
Screenshots
Verdict
OBD Connect and Live Spec both sit at 3.8 stars, but that hides the real split: 32% of OBD Connect's written reviews are positive against 0% of Live Spec's. OBD Connect also leads on update cadence (every 6 days vs monthly) and ratings volume (55 vs 8). Live Spec's advantage is iOS requirement (10.0 vs 13.0). On price, rating, ads and in-app purchases 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
OBD Connect costs $9.99 and Live Spec $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 3.8 for OBD Connect against 3.9 for Live Spec. That said, the two scores are not equally well evidenced: OBD Connect has 55 ratings behind it against 8, so its average is the more settled of the two. Written reviews are what separate them: 32% of OBD Connect's written reviews are positive against 0% of Live Spec's.
OBD Connect ships an update every 6 days, Live Spec monthly. The most recent releases landed on September 26, 2026 and August 26, 2026 respectively.
| Parameter | OBD Connect | Live Spec |
|---|---|---|
| Price | $9.99 | $9.99 |
| Rating | 3.8 (55 ratings) | 3.9 (8 ratings) — better |
| Positive reviews | 31.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 55 — better | 8 |
| Update frequency | Every 6 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Alphabit Software Inc. | Alphabit Software Inc. |
Customer experience
OBD Connect
Live Spec
In-app purchases
OBD Connect
No in-app purchases
Live Spec
No in-app purchases
Questions
Is OBD Connect free?
Is Live Spec free?
Which has better reviews, OBD Connect or Live Spec?
Do OBD Connect or Live Spec have ads?
Which is updated more often, OBD Connect or Live Spec?
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