Comparison

MG DUO vs OBD2 Gauges

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

Head to head
About

MG DUO

Features
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Mobile Gauges DUO variant application helps you to choose between different display variants: black gauges style (default) white gauges style Also new add ons for selecting measurement units for: GPS speed : km/h(default) or knots fuel consumption : l/h(default) or gal/h temperature: Celsius(default) or Fahrenheit You have to enable bluetooth access and GPS speed to use all the features of this application. Known errors: 1. if there is no MMDG device connected and you try to connect to an unrecognised bluetooth device, the app will end. You need to stop the app and restart app. 2. if you try to connect to an MMDG which is not connected to the engine, the app will retry to connect but because there is no data coming from MMDG it will refresh after few seconds. As soon as connection is established correctly there is no known error. Please report in comments possible errors found.

About

OBD2 Gauges

Features
Read full description

OBD2 Gauges connects to your vehicle's OBD2 port via Bluetooth and displays real-time engine data as beautiful, customizable gauges. Features: - AI Vehicle Health: explanations of telemetry and trouble codes, recommended checks, and watch points - Saved health reports you can revisit offline - AI Lite: on-device analysis on compatible devices; AI Pro: on-device plus cloud analysis with explicit consent - Realistic gauge materials, four additional bezel finishes, and ten bezel shapes - Real-time speed, RPM, boost/vacuum, oil temperature, water temperature, intake air temperature, and fuel level gauges - Multiple gauge themes inspired by iconic vehicles: Supra Stock, Supra TRD, Nismo, Audi RS, G35 Rev-Up, and more - 100+ OBD2 parameters supported - Clean, modern interface with dark and light modes - Works with any ELM327-compatible Bluetooth OBD2 adapter - Customizable gauge layouts โ€” single, dual, quad, or full dashboard views - On-device AI keeps analysis on your device. Optional cloud AI sends a telemetry summary to Google only after your consent. Connect your OBD2 Bluetooth adapter, pair it with your device, and launch OBD2 Gauges to see your engine data come alive. Requires an ELM327-compatible Bluetooth Low Energy (BLE) OBD2 adapter and a vehicle with an OBD2 port (1996+ model year). Optional Subscription - Remove Ads (Monthly): auto-renewing subscription that removes all ads while active. Cancel anytime in Settings โ†’ Apple ID โ†’ Subscriptions. - Remove Ads (Lifetime): one-time purchase that removes all ads permanently. - AI Lite: monthly or lifetime access to ad-free, on-device AI Health on compatible devices. - AI Pro: monthly or lifetime access to ad-free AI Health with cloud analysis when on-device AI is unavailable. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Terms of Use: https://www.lightcycleconsulting.com/terms-of-service Privacy Policy: https://www.lightcycleconsulting.com/privacy-policy AI Health requires an AI Lite or AI Pro purchase. On-device AI depends on device and model availability. Cloud AI requires internet access, consent, and AI Pro, with up to 10 cloud analyses per 24-hour window. AI guidance is informational and does not replace a qualified mechanic.

Screenshots

MG DUO3 screens
OBD2 Gauges4 screens

Verdict

The call

The clearest difference is in-app purchases: MG DUO at none against OBD2 Gauges's 2. MG DUO also leads on iOS requirement (9.0 vs 16.0). On price, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. OBD2 Gauges sells 2 in-app purchases, starting at $3.99 per month. MG DUO asks for nothing beyond the download.

Scorecard2 real differences ยท 4 level
MG DUO versus OBD2 Gauges: the parameters behind the verdict, then further details
ParameterMG DUOOBD2 Gauges
PriceFreeFree
Update frequencyโ€”Every 3 days
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS9.0 โ€” better16.0
Further details โ€” not scored
Size44 MB52 MB
Age rating4+17+
DeveloperStefan BoicuEdward Williams

In-app purchases

None

MG DUO

No in-app purchases

2 purchases

OBD2 Gauges

Subscriptions1
  • Remove Ads (Monthly)$3.991 Month
One-time1
  • Remove Ads (Lifetime)$24.99

Questions

Is MG DUO free?
MG DUO is free to download, with no in-app purchases.
Is OBD2 Gauges free?
OBD2 Gauges is free to download, with in-app purchases available.
Do MG DUO or OBD2 Gauges have ads?
Neither MG DUO nor OBD2 Gauges shows ads.

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