Comparison

MultiGauge vs OBDGO PRO

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MultiGauge

This application connects to specific hardware to display real-time sensor data from your vehicle on your smartphone. Monitor vital engine parameters like air-fuel ratio, temperature, and pressure for performance tuning and diagnostics.

Highlights
  • Real-time sensor data display
  • Bluetooth LE connectivity
  • Supports multiple sensor modules
  • Visualizes engine parameters
  • Compatible with PLX Devices hardware
Read full description

MultiGauge App is designed to function with the PLX Devices Multi Gauge Link hardware interface. The Multi Gauge Link includes a Bluetooth LE wireless communication protocol designed to work seamlessly with this app. PLX Devices sensor modules can be connected in a daisy-chain and the Multi Gauge Link is connected to the last sensor module in the chain to transmit sensor data to your smart phone for visual display. Compatible Hardware: Multi Gauge Link SM-PRO - Fluid Temp, Exhaust Gas Temp, Air Intake Temp, Fluid Pressure, Vac/Boost SM-AFR - Wideband Air/Fuel Ratio Sensor Module Compatible Hardware Combinations: SM-AFR + MultiGauge Link. SM-Vac/Boost + MultiGauge Link. SM-AFR + SM-Vac/Boost + MultiGauge Link. SM-PRO + SM-AFR + MultiGauge Link SM-PRO + MultiGauge Link SM-Pro is a combined sensor module for accurately measuring Vac/Boost, Exhaust Gas Temperature, Air Intake Temperature, Fluid (Oil/Water) Temperature, and Fluid Pressure. Includes genuine Honeywell 3Bar Vac/Boost sensor (built-in), wires/connectors for digital interface with DM-6, DM-100/200, MultiGauge Link. Also includes analog outputs for interfacing with 3rd party ECU's and data loggers. The SM-AFR Gen4  Sensor Module is a tuner grade Bosch LSU 4.9 wideband oxygen sensor controller with digital/analog outputs for 3rd interface. Accurately reads the air/fuel ratio of any internal combustion from 0.68 Lambda to 1.36 Lambda (10:1 - 20:1 AFR *Gasoline). Fully plug and play, no sensor calibration is required. Compatible with Gasoline, Diesel, Ethanol, Methanol, E85, LPG, CNG. Accurate to 0.1AFR with less than 100mS reaction time from rail to rail. Advanced sensor health monitoring, displays oxygen sensor health and reaction time when connected to DM-6 gauge or to your smartphone via the Multi Gauge Link interface. The SM-Vac/Boost Sensor Module accurately measures the vacuum pressure and boost pressure of any intake manifold. This is ideal for turbo and supercharged applications where monitoring the intake pressure is vital. The Vacuum / Boost Sensor Module can also be used as a stand alone unit capable of interfacing with 3rd party hardware where both the digital output and the analog output are available simultaneously. Its measurement range is 30.5 inHg to 30 PSI or 760 mmHg to 2.11 Kg/cm^2. Connect this sensor module via the Multi Gauge Link interface for a boost gauge on your smartphone. For more information visit www.plxdevices.com

About

OBDGO PRO

Unlock hidden vehicle features and perform OBD-II diagnostics with this app. It allows you to activate functionalities like wireless CarPlay, disable start-stop systems, and scan/clear trouble codes. Generate detailed diagnostic reports to understand and repair your car.

Highlights
  • Unlock hidden vehicle features
  • OBD-II code scanning and clearing
  • Generate and share diagnosis reports
  • Activate wireless CarPlay
  • Disable start-stop systems
  • View freeze frame data
  • Interactive data stream graphing
Features
Read full description

OBDGO PRO besides basic OBD-II diagnosis, vehicle hidden features unlock is available. Let everyone enjoy the fun of modding! 1. Unlock Hidden Features Support Models: Porsche, BMW, Mercedes, Ford, Audi, Volkswagen, more available vehicle and year models please check in app. Popular features such as: - Activate Wireless CarPlay - Disable Start Stop - Enable Engine Performance Menu - Change Turn Signal Blicks Times - Change Head Unit Start Animation - Activate G-Force Display More features are waiting for you to explore! 2. OBD-II Diagnosis Vehicle coverage: GM, Ford, Chrysler, Toyota, Nissan, Mazda, Mercedes, Mitsubishi, Hyundai/Kia, BMW/Mini, Honda/Acura, Volkswagen/Audi, Subaru, Buick, Chevrolet, Cadillac, Lincoln, Dodge, Jeep, Smart, Skoda, Porsche, FIAT, Renault, Peugeot, Citroen, Landrover, Jaguar, Lexus, Infiniti, Suzuki, Ssangyong. Features such as: - Scan trouble codes - Clear trouble codes - Generate, print, and share Diagnosis Reports - Mode 6 (On-Board Monitoring Test Results) - Smog Readiness Check - Freeze Frame Data - Multiple data streams interactive graphing and logging - Wireless bluetooth connection with vehicle - Metric and Imperial settings 3. Diagnosis Report Diagnosis report is specific to your vehicle's year, make and model. Providing a cryptic code definition by giving you validated fixes for your trouble codes. Save time by using OBDGO PRO to know your vehicle how to repair in advance. OBDGO PRO is a professional scan tool and the APP is free to install, but it does require the purchase of sensor to communicate with your vehicle. Sensor simply connects to your data port located inside your car near the steering wheel. Every car made since 1996 is global compatible can be used anywhere in the world.

Screenshots

MultiGauge4 screens
OBDGO PRO4 screens

Verdict

The call

The clearest difference is review sentiment: OBDGO PRO at 69% against MultiGauge's 17%. OBDGO PRO also leads on rating (4.6 vs 1.0) and ratings volume (25 vs 4). MultiGauge's advantage is update cadence (fortnightly vs every 2 months). On price, ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

OBDGO PRO holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: OBDGO PRO has 25 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 17% of MultiGauge's written reviews are positive against 69% of OBDGO PRO's.

UpkeepUpdate frequency

MultiGauge ships an update fortnightly, OBDGO PRO every 2 months. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.

Scorecard4 real differences · 6 level
MultiGauge versus OBDGO PRO: the parameters behind the verdict, then further details
ParameterMultiGaugeOBDGO PRO
PriceFreeFree
Rating1.0 (4 ratings)4.6 (25 ratings) — better
Positive reviews16.7% of reviews69.2% of reviews — better
Number of ratings425 — better
Update frequencyFortnightly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.111.0 — better
Further details — not scored
Size10 MB137 MB
Age rating4+17+
DeveloperPLX Devices, INC.OBD GO TECH CO LTD

Customer experience

MultiGauge

All ratings4 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews30 reviews
Positive16.7%
Neutral10.0%
Negative73.3%

OBDGO PRO

All ratings25 ratings
Positive88.0%
Neutral4.0%
Negative8.0%
Written reviews13 reviews
Positive69.2%
Neutral0.0%
Negative30.8%

In-app purchases

None

MultiGauge

No in-app purchases

None

OBDGO PRO

No in-app purchases

Questions

Is MultiGauge free?
MultiGauge is free to download, with no in-app purchases.
Is OBDGO PRO free?
OBDGO PRO is free to download, with no in-app purchases.
Which has better reviews, MultiGauge or OBDGO PRO?
OBDGO PRO is rated higher. MultiGauge averages 1.0 out of 5 from 4 ratings, while OBDGO PRO averages 4.6 from 25 ratings.
Do MultiGauge or OBDGO PRO have ads?
Neither MultiGauge nor OBDGO PRO shows ads.
Which is updated more often, MultiGauge or OBDGO PRO?
MultiGauge ships an update fortnightly, and OBDGO PRO every 2 months. Most recently, MultiGauge was updated on September 29, 2026 and OBDGO PRO on September 30, 2026.

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