# BlueDriver OBD2 Scan Tool vs miTrail

The clearest difference is rating: BlueDriver OBD2 Scan Tool at 4.6 against miTrail's 3.5. BlueDriver OBD2 Scan Tool also leads on ratings volume (14K vs 2). miTrail's advantage is monetization model (free vs free with in-app purchases) and review sentiment (67% 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 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 complicate that: 57% of BlueDriver OBD2 Scan Tool's written reviews are positive against 67% of miTrail'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 every 9 days, miTrail every 2 weeks. The most recent releases landed on September 25, 2026 and July 7, 2026 respectively.

## The numbers

| Metric | BlueDriver OBD2 Scan Tool | miTrail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (14K ratings)](https://appshunter.io/ios/app/bluedriver-obd2-scan-tool/id445403397/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/mitrail-gps-tracker/id1389836980/reviews) |
| Number of ratings | **14K** | 2 |
| Positive reviews | 57.1% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 278 MB | 56 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lemur Vehicle Monitors](https://appshunter.io/developer/445403400) | [DataTrail Corp.](https://appshunter.io/developer/1264155397) |

## 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


### miTrail

[App page](https://appshunter.io/ios/app/mitrail-gps-tracker/id1389836980)

Track vehicles, people, and assets using GPS devices. Requires a purchased miTrail device for real-time location monitoring. Ideal for fleet management and personal asset tracking.

**Highlights:** Real-time GPS tracking, Vehicle and personal asset monitoring, OBD-II plug-and-play device, Personal tracking device option, Web-based device purchase

**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 miTrail free?

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

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

BlueDriver OBD2 Scan Tool is rated higher. BlueDriver OBD2 Scan Tool averages 4.6 out of 5 from 14K ratings, while miTrail averages 3.5 from 2 ratings.

### Do BlueDriver OBD2 Scan Tool or miTrail have ads?

Neither BlueDriver OBD2 Scan Tool nor miTrail shows ads.

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

BlueDriver OBD2 Scan Tool ships an update every 9 days, and miTrail every 2 weeks. Most recently, BlueDriver OBD2 Scan Tool was updated on September 25, 2026 and miTrail on July 7, 2026.

---

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