Comparison

ECU Connect vs Mini OBDII

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

Head to head
About

ECU Connect

This app allows you to program tuned files directly to your car's ECU using your phone. It also provides real-time engine performance monitoring and customizable dashboards. A Bluetooth interface is required for full functionality.

Highlights
  • Program tuned ECU files wirelessly
  • Real-time engine performance monitoring
  • Customizable parameter dashboards
  • Log engine data with GPS coordinates
  • Adjust RaceROM features on the fly
  • Connects via Bluetooth Vehicle Interface
Read full description

IMPORTANT This app requires an EcuTek Bluetooth Vehicle Interface to connect to your car's ECU. These are available from EcuTek Tuners. Find your nearest one at www.ecutek.com/dealers. If you don't have an interface, run the demo mode within the app to see ECU Connect in action. ECU Connect is the free companion app to the new pocket-size Bluetooth Vehicle Interface produced by specialist tuning firm EcuTek Technologies. Once you have purchased your EcuTek Vehicle Interface, plug it into your car's OBD vehicle diagnostic socket, pair it with your phone in the app and you will open up a whole new world of enjoyment with your car. With ECU Connect, you can receive and program in a tuned file from one of our EcuTek Master Tuners just with your phone. No laptop, no wires, no fuss. Just create an account in the app, select the tuner you want to work with, and you are ready to receive the tuned file. Discuss with your tuner what you want to achieve from the tune and once the file has been created, you will receive a notification that the file is ready. Go to Program ECU, select the file and follow the on-screen instructions. It's as easy as that. All that's left is for you to enjoy the car! For more details on programming your car’s ECU with ECU Connect go to www.ecutek.com/phone-flash Your EcuTek Tuner can also set up some unique RaceROM features which allows you to control and adjust some aspects of the tune with your phone: Launch RPM; Traction Control settings; boost and torque levels; switch between different set ups such as track mode, economy mode, fast road and flexfuel on the fly. These are just some of the example set ups. Speak to your EcuTek Master Tuner and discuss with them what you'd like. There are lots of options to choose from. For a list of supported models together with their ECU Connect Features go to www.ecutek.com/ecu-connect Whether your car is tuned on EcuTek or not, with ECU Connect you can instantly see how your engine is performing as you drive it (even if the car is not officially supported, ECU Connect provides basic support for most cars using generic OBD2 CAN communication protocol available on nearly all vehicles manufactured from 2008 onwards). You can view and log any parameter the ECU records and even create unlimited personalised dashboards if you want to monitor specific groups of parameters. Save and send these logs direct from the app to your tuner. You can also record GPS coordinates in the log files, so you can see what was happening at any given point on your logging run (very useful on track days).

About

Mini OBDII

This app connects to your vehicle via Bluetooth or WiFi to perform diagnostics and monitor driving. It reads and clears fault codes, analyzes performance, and tracks your travel data. Supports multiple languages and high-speed data transmission.

Highlights
  • Fault code reading and clearing
  • Instrument panel monitoring
  • Performance testing
  • Travel analysis
  • High-speed data transmission
  • Multi-language support
Features
Read full description

Mini OBDII is a car diagnostic and monitoring application,support English,Español,Русский,Deutsch,Français,日本語,中文. Through iPhone and iPad, use Bluetooth/WiFi to communicate with the vehicle terminal to complete fault diagnosis and driving assistance functions. It has automobile detection and analysis functions such as fault code reading and clearing, instrument panel, performance test, and travel analysis. It also supports high-speed data transmission and has the advantages of low power consumption and ultra-power saving. caution: 1. Support the adapter that runs through WiFi and Bluetooth 4.0. 2. The parameters supported by each vehicle are different, which has nothing to do with Mini OBDII, but is related to the vehicle control unit.

Screenshots

ECU Connect4 screens
Mini OBDII4 screens

Verdict

The call

The clearest difference is rating: ECU Connect at 4.0 against Mini OBDII's 3.4. ECU Connect also leads on review sentiment (62% vs 38%) and ratings volume (88 vs 5). Mini OBDII's advantage is iOS requirement (11 vs 15.0). On price, update cadence, 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

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

ECU Connect holds the better App Store score, 4.0 against 3.4. That said, the two scores are not equally well evidenced: ECU Connect has 88 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 62% of ECU Connect's written reviews are positive against 38% of Mini OBDII's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 6 level
ECU Connect versus Mini OBDII: the parameters behind the verdict, then further details
ParameterECU ConnectMini OBDII
PriceFreeFree
Rating4.0 (88 ratings) — better3.4 (5 ratings)
Positive reviews62.1% of reviews — better37.5% of reviews
Number of ratings88 — better5
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.011 — better
Further details — not scored
Size83 MB33 MB
Age rating4+4+
DeveloperEcuTek Technologies LtdShenzhen Chaoyue Technology Development Co.,Ltd

Customer experience

ECU Connect

All ratings88 ratings
Positive75.0%
Neutral8.0%
Negative17.0%
Written reviews58 reviews
Positive62.1%
Neutral8.6%
Negative29.3%

Mini OBDII

All ratings5 ratings
Positive60.0%
Neutral0.0%
Negative40.0%
Written reviews8 reviews
Positive37.5%
Neutral12.5%
Negative50.0%

Bugs and requests

ECU Connect

Reported bugs

22 issues
  • App kicks you out when changing background
  • Refusals to flash citing nonexistent problems
  • Super finicky about battery voltage
  • Zero transmission logging
  • Latest firmware update no longer allowing app to read car interface on iOS
Show 17 more
  • iPhone 16 not working with software
  • Boost gauge isn't working after update
  • No flash button after update
  • App doesn't find ECU connect device via Bluetooth
  • Dongle is always incompatible with TPMS on GT-R my 2015
  • Doesn't detect the B58 Supra anymore
  • Broken for BMW with S55 after update
  • Issue with the Bluetooth connect
  • Update is slower to load main page
  • Vehicle not being recognized after update
  • Dashboard won't open after update
  • Dashboard showing in V instead for AFR
  • No Dashboard after update
  • Vehicle not being recognized (since update)
  • Firmware problem, app fails to detect Nissan GTR
  • Racerom not recognised in app on phone
  • Getting an EVI update failed msg

Requested features

22 requests
  • CarPlay support
  • Android Auto support
  • CarPlay widget
  • Widget for iOS home screen
  • Landscape dashboard view
Show 17 more
  • Edit dashboard offline
  • Tablet landscape view
  • Watch integration
  • Timer for logging feature
  • Add 'danger to manifold' alarm text
  • Make throttle sensitivity available to everyone
  • Develop a CarPlay widget or something
  • Add a CarPlay feature to put your dashboard on your CarPlay app
  • Add a CarPlay/AndroidAuto version of this app
  • A way to modify a dashboard without being connected
  • Add CarPlay support!
  • Develop Apple CarPlay/android auto support for gauges
  • Integrate with Apple CarPlay
  • Integrate with car play
  • Maybe that other OS too
  • Maybe some watch integration
  • Could we request some kind of watch app for alerts etc

Mini OBDII

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

ECU Connect

No in-app purchases

None

Mini OBDII

No in-app purchases

Questions

Is ECU Connect free?
ECU Connect is free to download, with no in-app purchases.
Is Mini OBDII free?
Mini OBDII is free to download, with no in-app purchases.
Which has better reviews, ECU Connect or Mini OBDII?
ECU Connect is rated higher. ECU Connect averages 4.0 out of 5 from 88 ratings, while Mini OBDII averages 3.4 from 5 ratings.
Do ECU Connect or Mini OBDII have ads?
Neither ECU Connect nor Mini OBDII shows ads.
Which is updated more often, ECU Connect or Mini OBDII?
ECU Connect ships an update every 3 weeks, and Mini OBDII every 3 weeks. Most recently, ECU Connect was updated on October 13, 2026 and Mini OBDII on October 6, 2026.

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