Comparison

BlueDriver OBD2 Scan Tool vs TuneBoss ECU

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

Head to head
About

BlueDriver OBD2 Scan Tool

This app turns your smartphone into a powerful OBD2 scan tool. It allows you to read and clear trouble codes, view live data, and generate detailed repair reports for your vehicle. Understand your car's issues and make informed repair decisions.

Highlights
  • Read and clear trouble codes (Check Engine, ABS, etc.)
  • Generate professional-grade Repair Reports
  • Access Mode 6 and smog readiness data
  • View live data with interactive graphing
  • Wireless Bluetooth scanning
  • Likely fixes explained in plain language
Read full description

BlueDriver® transforms your iPhone or iPad into a powerful OBD2 scan tool – trusted by over 1 million drivers, from professional mechanics to DIYers. Paired with the BlueDriver Bluetooth® Sensor (sold separately), it lets you read codes, diagnose issues, and fix your car with confidence—no wires, no guesswork. Whether you're checking a check engine light, running a smog test, or diving into enhanced diagnostics like ABS or transmission codes, BlueDriver gives you the tools you need to understand your vehicle and make smarter repair decisions – with clear, easy-to-understand information. What You Can Do with BlueDriver · Read and clear trouble codes - including check engine, ABS, airbag, transmission, and more · Generate, save, and share professional-grade Repair Reports based on your exact vehicle and trouble code · Access Mode 6 on-board monitoring test results · Check smog readiness and freeze frame data · View live data with multi-PID interactive graphing · Scan your vehicle wirelessly with Bluetooth—no cables required · Choose between metric and imperial settings · Get likely fixes for your vehicle’s issues, explained in plain language Enhanced Diagnostics Coverage · GM, Ford, Chrysler, Toyota, Nissan, Mazda, Mercedes (2005+ models) · Mitsubishi (2008+), Hyundai/Kia (2012+) – available worldwide · BMW/Mini, Honda/Acura, Volkswagen/Audi – available in North America · Subaru – available in the United States What Makes BlueDriver Different? · No subscription required · Backed by a database of millions real-world fixes · Repair Reports are specific to your vehicle’s year, make, and model · Works globally with the BlueDriver Sensor · App is free to install—just pair with the Sensor to start scanning You can even preview a Repair Report without a Sensor by entering your VIN and a trouble code. Account Setup Made Easy You’ll create a BlueDriver account during setup—it’s quick and easy, and gives you secure access to all your scans, reports, and new features across any device. Important Info The BlueDriver Sensor plugs into your vehicle’s data port (found in every car built since 1996). It connects to the app via Bluetooth® to deliver full diagnostic functionality. Sensor sold separately in-app or at www.BlueDriver.com

About

TuneBoss ECU

This application is for advanced users and requires a specific TuneBoss ECU unit (sold separately). It is designed for use with authorized tuning centers and comes with a disclaimer for use at your own risk.

Highlights
  • Requires TuneBoss ECU unit
  • For advanced users
  • Support for authorized tuning centers
  • Use at own risk disclaimer
Features
Read full description

IMPORTANT: FOR ADVANCED USERS ONLY. USE AT OWN RISK. Support provided for TuneBoss Authorized Tuning Centers Only. This application requires a 2022 manufactured (and above) TuneBoss ECU unit (sold separately)

Screenshots

BlueDriver OBD2 Scan Tool4 screens
TuneBoss ECU4 screens

Verdict

The call

The clearest difference is rating: BlueDriver OBD2 Scan Tool at 4.6 against TuneBoss ECU's 3.5. BlueDriver OBD2 Scan Tool also leads on ratings volume (14K vs 2) and review sentiment (58% vs 41%). TuneBoss ECU's advantage is monetization model (free vs free with in-app purchases). 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

BlueDriver OBD2 Scan Tool holds the better App Store score, 4.6 against 3.5. That said, the two scores are not equally well evidenced: BlueDriver OBD2 Scan Tool has 14K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 58% of BlueDriver OBD2 Scan Tool's written reviews are positive against 41% of TuneBoss ECU's.

UpkeepUpdate frequency

BlueDriver OBD2 Scan Tool ships an update fortnightly, TuneBoss ECU every 2 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
BlueDriver OBD2 Scan Tool versus TuneBoss ECU: the parameters behind the verdict, then further details
ParameterBlueDriver OBD2 Scan ToolTuneBoss ECU
PriceFreeFree
Rating4.6 (14K ratings) — better3.5 (2 ratings)
Positive reviews58.4% of reviews — better40.6% of reviews
Number of ratings14K — better2
Update frequencyFortnightly — betterEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.615.0 — better
Further details — not scored
Size273 MB66 MB
Age rating4+4+
DeveloperLemur Vehicle MonitorsFSR Technology

Customer experience

BlueDriver OBD2 Scan Tool

All ratings13,728 ratings
Positive90.7%
Neutral2.2%
Negative7.1%
Written reviews928 reviews
Positive58.4%
Neutral5.5%
Negative36.1%

TuneBoss ECU

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews32 reviews
Positive40.6%
Neutral21.9%
Negative37.5%

Bugs and requests

BlueDriver OBD2 Scan Tool

Reported bugs

3 issues
  • Occasional app crashes
  • Failure to detect vehicle faults in some cases
  • Inability to update firmware on certain devices

Requested features

10 requests
  • Add support for more vehicle makes and models
  • Improve Bluetooth stability and connectivity
  • Implement odometer reading functionality
  • Expand diagnostic capabilities to include more advanced features
  • Add support for European vehicle VINs
Show 5 more
  • Enable reading of additional fault codes (e.g., airbag)
  • Maintain compatibility with older iOS versions
  • Introduce CarPlay integration
  • Add customizable live data dashboards
  • Implement audible alerts for critical sensor readings

TuneBoss ECU

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

BlueDriver OBD2 Scan Tool

No in-app purchases

None

TuneBoss ECU

No in-app purchases

Questions

Is BlueDriver OBD2 Scan Tool free?
BlueDriver OBD2 Scan Tool is free to download, with no in-app purchases.
Is TuneBoss ECU free?
TuneBoss ECU is free to download, with no in-app purchases.
Which has better reviews, BlueDriver OBD2 Scan Tool or TuneBoss ECU?
BlueDriver OBD2 Scan Tool is rated higher. BlueDriver OBD2 Scan Tool averages 4.6 out of 5 from 14K ratings, while TuneBoss ECU averages 3.5 from 2 ratings.
Do BlueDriver OBD2 Scan Tool or TuneBoss ECU have ads?
Neither BlueDriver OBD2 Scan Tool nor TuneBoss ECU shows ads.
Which is updated more often, BlueDriver OBD2 Scan Tool or TuneBoss ECU?
BlueDriver OBD2 Scan Tool ships an update fortnightly, and TuneBoss ECU every 2 weeks. Most recently, BlueDriver OBD2 Scan Tool was updated on November 1, 2026 and TuneBoss ECU on October 24, 2026.

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