# BlueDriver OBD2 Scan Tool vs Giotto ScanTool

The clearest difference is rating: BlueDriver OBD2 Scan Tool at 4.6 against Giotto ScanTool's 3.3. BlueDriver OBD2 Scan Tool also leads on update cadence (every 9 days vs every 3 months) and review sentiment (57% vs 31%). Giotto ScanTool's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (14.0 vs 16.6). On price, ads, in-app purchases and device support 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 3.3. That said, the two scores are not equally well evidenced: BlueDriver OBD2 Scan Tool has 14K ratings behind it against 44, so its average is the more settled of the two. Written reviews point the same way: 57% of BlueDriver OBD2 Scan Tool's written reviews are positive against 31% of Giotto ScanTool's.

BlueDriver OBD2 Scan Tool ships an update every 9 days, Giotto ScanTool every 3 months. The most recent releases landed on September 25, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | BlueDriver OBD2 Scan Tool | Giotto ScanTool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (14K ratings)](https://appshunter.io/ios/app/bluedriver-obd2-scan-tool/id445403397/reviews)** | [3.3 (44 ratings)](https://appshunter.io/ios/app/giotto-scantool/id1294503417/reviews) |
| Number of ratings | **14K** | 44 |
| Positive reviews | **57.1% of reviews** | 30.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 278 MB | 912 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lemur Vehicle Monitors](https://appshunter.io/developer/445403400) | [AutoEnginuity](https://appshunter.io/developer/1294503416) |

## 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


### Giotto ScanTool

[App page](https://appshunter.io/ios/app/giotto-scantool/id1294503417)

This professional-grade automotive diagnostic tool provides extensive vehicle coverage and deep system access. It helps repair shops and fleet managers quickly service a wide range of vehicles with features like live data, bi-directional controls, and DTC reporting.

**Highlights:** Professional-grade enhanced coverage, Access to ABS, airbag, powertrain, and more, Live data and bi-directional controls, Adaptive resets and learns, DTC report output (XML/PDF), Graphing with pan and zoom, WIFI connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BlueDriver OBD2 Scan Tool free?

BlueDriver OBD2 Scan Tool is free to download, with no in-app purchases.

### Is Giotto ScanTool free?

Giotto ScanTool is free to download, with no in-app purchases.

### Which has better reviews, BlueDriver OBD2 Scan Tool or Giotto ScanTool?

BlueDriver OBD2 Scan Tool is rated higher. BlueDriver OBD2 Scan Tool averages 4.6 out of 5 from 14K ratings, while Giotto ScanTool averages 3.3 from 44 ratings.

### Do BlueDriver OBD2 Scan Tool or Giotto ScanTool have ads?

Neither BlueDriver OBD2 Scan Tool nor Giotto ScanTool shows ads.

### Which is updated more often, BlueDriver OBD2 Scan Tool or Giotto ScanTool?

BlueDriver OBD2 Scan Tool ships an update every 9 days, and Giotto ScanTool every 3 months. Most recently, BlueDriver OBD2 Scan Tool was updated on September 25, 2026 and Giotto ScanTool on June 1, 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.*