# BlueDriver OBD2 Scan Tool vs Optimum Angle

The clearest difference is price: BlueDriver OBD2 Scan Tool at Free against Optimum Angle's $3.99. BlueDriver OBD2 Scan Tool also leads on update cadence (fortnightly vs every 6 months) and ratings volume (14K vs 1). Optimum Angle's advantage is review sentiment (100% vs 57%) and rating (5.0 vs 4.6). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

BlueDriver OBD2 Scan Tool is free to download; Optimum Angle costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Optimum Angle holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: BlueDriver OBD2 Scan Tool has 14K ratings behind it against 1, 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 100% of Optimum Angle's.

BlueDriver OBD2 Scan Tool ships an update fortnightly, Optimum Angle every 6 months. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | BlueDriver OBD2 Scan Tool | Optimum Angle |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [4.6 (14K ratings)](https://appshunter.io/ios/app/bluedriver-obd2-scan-tool/id445403397/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/optimum-angle/id6651824465/reviews)** |
| Number of ratings | **14K** | 1 |
| Positive reviews | 57.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#195** |
| Size | 273 MB | 93 MB |
| Requires iOS | 16.6 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lemur Vehicle Monitors](https://appshunter.io/developer/445403400) | [John Dickinson](https://appshunter.io/developer/1763955570) |

## 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


### Optimum Angle

[App page](https://appshunter.io/ios/app/optimum-angle/id6651824465)

**Currently charting:** #195 Top Paid · Productivity (US App Store)

This app provides precise drive shaft angle measurements for mechanics, engineers, and automotive enthusiasts. It simplifies workflows and enhances performance with an intuitive interface and advanced algorithms for accurate adjustments.

**Highlights:** Precision drive shaft angle measurement, Intuitive user interface, Advanced measurement algorithms, Performance optimization, Simplified workflow

**Features:** macOS Compatibility, Vision Pro support

**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 Optimum Angle free?

Optimum Angle costs $3.99, with no in-app purchases.

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

Optimum Angle is rated higher. BlueDriver OBD2 Scan Tool averages 4.6 out of 5 from 14K ratings, while Optimum Angle averages 5.0 from 1 ratings.

### Do BlueDriver OBD2 Scan Tool or Optimum Angle have ads?

Neither BlueDriver OBD2 Scan Tool nor Optimum Angle shows ads.

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

BlueDriver OBD2 Scan Tool ships an update fortnightly, and Optimum Angle every 6 months. Most recently, BlueDriver OBD2 Scan Tool was updated on October 14, 2026 and Optimum Angle on October 10, 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.*