Comparison

BlueDriver OBD2 Scan Tool vs Walabot DIY

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

Walabot DIY

Visualize the inside of your walls with this device and app combination. It acts like an X-ray, locating studs, pipes, and wires up to 4 inches deep. Ideal for confident drilling and renovation projects.

Highlights
  • See through walls
  • Locate studs
  • Detect pipes
  • Find wires
  • Works on drywall
  • Detects up to 4 inches deep
Features
Read full description

Walabot DIY lets you see through your walls! Connect your Walabot DIY device (available at www.walabot.com/diy) to your phone for instant “X-Ray” vision. • Locates studs, pipes, wires, and movement • Works on drywall • Detects up to 4 inches / 10 centimeters deep Want to hang a TV? See where the studs, the wires, and the pipes are and drill with confidence! Perfect for DIY-ers, plumbers, contractors, carpenters, renovators, installers, and more. Winner of “best tool” by: ESPN, This Old House, Popular Mechanics, CES and over a dozen more publications! Million walls scanned with the Walabot DIY! Learn more/order now at walabot.com ** Compatible from iPhone7 and above **

Screenshots

BlueDriver OBD2 Scan Tool4 screens
Walabot DIY4 screens

Verdict

The call

The clearest difference is rating: BlueDriver OBD2 Scan Tool at 4.6 against Walabot DIY's 4.2. BlueDriver OBD2 Scan Tool also leads on ratings volume (14K vs 320). Walabot DIY's advantage is monetization model (free vs free with in-app purchases) and review sentiment (78% vs 57%). 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 4.2. That said, the two scores are not equally well evidenced: BlueDriver OBD2 Scan Tool has 14K ratings behind it against 320, so its average is the more settled of the two. Written reviews complicate that: 57% of BlueDriver OBD2 Scan Tool's written reviews are positive against 78% of Walabot DIY's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

BlueDriver OBD2 Scan Tool ships an update fortnightly, Walabot DIY every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
BlueDriver OBD2 Scan Tool versus Walabot DIY: the parameters behind the verdict, then further details
ParameterBlueDriver OBD2 Scan ToolWalabot DIY
PriceFreeFree
Rating4.6 (14K ratings) — better4.2 (320 ratings)
Positive reviews57.2% of reviews78.5% of reviews — better
Number of ratings14K — better320
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.615.6 — better
Further details — not scored
Size273 MB77 MB
Age rating4+17+
DeveloperLemur Vehicle MonitorsVayyar Imaging LTD

Customer experience

BlueDriver OBD2 Scan Tool

All ratings13,728 ratings
Positive90.7%
Neutral2.2%
Negative7.1%
Written reviews885 reviews
Positive57.2%
Neutral5.3%
Negative37.5%

Walabot DIY

All ratings320 ratings
Positive77.8%
Neutral3.1%
Negative19.1%
Written reviews130 reviews
Positive78.5%
Neutral1.5%
Negative20.0%

User reviews

BlueDriver OBD2 Scan Tool

From 14K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Excellent diagnostic capabilities
  • 💰 Great value for money
  • 🔍 Detailed fault code information
  • 📚 Helpful repair suggestions

Room to improve

  • 🐛 Occasional Bluetooth connectivity issues
  • ⚠️ Limited support for some vehicle makes/models
  • 🚫 Cannot read odometer information
  • 🚫 Lack of advanced features for professional mechanics
  • 🚫 No support for European vehicle VINs

Walabot DIY

From 320 App Store ratings

What we love

  • 🚀 Accurate stud and object detection
  • 👍 Helpful for DIY projects
  • 🔍 Ability to see inside walls
  • 💡 Innovative technology
  • 🎯 Pinpoints stud locations

Room to improve

  • 🐛 Connectivity issues
  • 🔄 Frequent recalibration required
  • 🔧 Needs additional accessories for full functionality
  • 📱 Inconvenient to use with phone

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

Walabot DIY

Reported bugs

3 issues
  • App crashes or disconnects frequently
  • Inaccurate readings or missed objects
  • Compatibility issues with newer phones

Requested features

4 requests
  • Integrated display instead of phone app
  • Improved calibration process
  • Compatibility with more wall types
  • Automatic stud detection

In-app purchases

None

BlueDriver OBD2 Scan Tool

No in-app purchases

None

Walabot DIY

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 Walabot DIY free?
Walabot DIY is free to download, with no in-app purchases.
Which has better reviews, BlueDriver OBD2 Scan Tool or Walabot DIY?
BlueDriver OBD2 Scan Tool is rated higher. BlueDriver OBD2 Scan Tool averages 4.6 out of 5 from 14K ratings, while Walabot DIY averages 4.2 from 320 ratings.
Do BlueDriver OBD2 Scan Tool or Walabot DIY have ads?
Neither BlueDriver OBD2 Scan Tool nor Walabot DIY shows ads.
Which is updated more often, BlueDriver OBD2 Scan Tool or Walabot DIY?
BlueDriver OBD2 Scan Tool ships an update fortnightly, and Walabot DIY every 3 weeks. Most recently, BlueDriver OBD2 Scan Tool was updated on October 25, 2026 and Walabot DIY on October 24, 2026.

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