# BlueDriver OBD2 Scan Tool vs OneControl Auto

The clearest difference is review sentiment: BlueDriver OBD2 Scan Tool at 57% against OneControl Auto's 6%. BlueDriver OBD2 Scan Tool also leads on rating (4.6 vs 2.7) and update cadence (every 9 days vs monthly). OneControl Auto's advantage is monetization model (free vs free with in-app purchases). 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 2.7. That said, the two scores are not equally well evidenced: BlueDriver OBD2 Scan Tool has 14K ratings behind it against 793, 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 6% of OneControl Auto's.

BlueDriver OBD2 Scan Tool ships an update every 9 days, OneControl Auto monthly. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | BlueDriver OBD2 Scan Tool | OneControl Auto |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (14K ratings)](https://appshunter.io/ios/app/bluedriver-obd2-scan-tool/id445403397/reviews)** | [2.7 (793 ratings)](https://appshunter.io/ios/app/onecontrol-auto/id1624690770/reviews) |
| Number of ratings | **14K** | 793 |
| Positive reviews | **57.1% of reviews** | 5.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 278 MB | 188 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lemur Vehicle Monitors](https://appshunter.io/developer/445403400) | [Lippert Components, Inc.](https://appshunter.io/developer/867023615) |

## 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


### OneControl Auto

[App page](https://appshunter.io/ios/app/onecontrol-auto/id1624690770)

Control and monitor your trailer remotely via Bluetooth. Adjust brake settings, track tire pressure, and prevent trailer sway for a safer towing experience. Save custom profiles for different trailers and payloads.

**Highlights:** Monitor trailer tire pressure, Control trailer brake output, Prevent trailer sway, Create and save towing profiles, Real-time adjustments while towing

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Works as expected
- 🚀 Brakes work well
- 🤖 Bluetooth connectivity

**What reviewers complain about**

- 🐛 Frequent Bluetooth disconnections
- 🔒 Privacy concerns with location permissions
- 🔌 Compatibility issues with older devices
- 🤯 Confusing and buggy app
- ⚠️ Dangerous braking issues

**Reported bugs**

- App freezes on location permissions screen
- Brakes locking up unexpectedly
- App unable to connect to Bluetooth device

**Requested features**

- Dark mode option
- Improved Bluetooth stability
- Ability to use old app


## Frequently asked questions

### Is BlueDriver OBD2 Scan Tool free?

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

### Is OneControl Auto free?

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

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

BlueDriver OBD2 Scan Tool is rated higher. BlueDriver OBD2 Scan Tool averages 4.6 out of 5 from 14K ratings, while OneControl Auto averages 2.7 from 793 ratings.

### Do BlueDriver OBD2 Scan Tool or OneControl Auto have ads?

Neither BlueDriver OBD2 Scan Tool nor OneControl Auto shows ads.

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

BlueDriver OBD2 Scan Tool ships an update every 9 days, and OneControl Auto monthly. Most recently, BlueDriver OBD2 Scan Tool was updated on September 23, 2026 and OneControl Auto on September 20, 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.*