# BlueDriver OBD2 Scan Tool vs Walabot DIY

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.

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

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.

BlueDriver OBD2 Scan Tool ships an update fortnightly, Walabot DIY every 3 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BlueDriver OBD2 Scan Tool | Walabot DIY |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (14K ratings)](https://appshunter.io/ios/app/bluedriver-obd2-scan-tool/id445403397/reviews)** | [4.2 (320 ratings)](https://appshunter.io/ios/app/walabot-diy/id1474817785/reviews) |
| Number of ratings | **14K** | 320 |
| Positive reviews | 57.2% of reviews | **78.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 273 MB | 77 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Lemur Vehicle Monitors](https://appshunter.io/developer/445403400) | [Vayyar Imaging LTD](https://appshunter.io/developer/1437493062) |

## What reviewers say

### BlueDriver OBD2 Scan Tool

[App page](https://appshunter.io/ios/app/bluedriver-obd2-scan-tool/id445403397)

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

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

- 🐛 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

**Reported bugs**

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

**Requested features**

- 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


### Walabot DIY

[App page](https://appshunter.io/ios/app/walabot-diy/id1474817785)

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:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

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

**What reviewers complain about**

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

**Reported bugs**

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

**Requested features**

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


## Frequently asked 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 26, 2026 and Walabot DIY on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*