# BlueDriver OBD2 Scan Tool vs DeltaAuto

The clearest difference is price: BlueDriver OBD2 Scan Tool at Free against DeltaAuto's $0.99. BlueDriver OBD2 Scan Tool also leads on ratings volume (14K vs 1). DeltaAuto's advantage is update cadence (daily vs fortnightly) and rating (5.0 vs 4.6). On ads, in-app purchases and device support there is nothing between them.

BlueDriver OBD2 Scan Tool is free to download; DeltaAuto costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DeltaAuto 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.

BlueDriver OBD2 Scan Tool ships an update fortnightly, DeltaAuto daily. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | BlueDriver OBD2 Scan Tool | DeltaAuto |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| 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/deltaauto/id6743726679/reviews)** |
| Number of ratings | **14K** | 1 |
| Positive reviews | 58.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 273 MB | 30 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lemur Vehicle Monitors](https://appshunter.io/developer/445403400) | [DeltaApps LLC](https://appshunter.io/developer/1804217377) |

## 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


### DeltaAuto

[App page](https://appshunter.io/ios/app/deltaauto/id6743726679)

Easily manage vehicle maintenance, fuel logs, and repairs in one place. Track services by mileage or engine hours, log fuel fill-ups with MPG calculations, and view upcoming maintenance with alerts. Your data stays private on your device.

**Highlights:** Track maintenance by mileage or engine hours, Log fuel fill-ups with MPG calculations, Export data to email, Google Drive, or Excel, Import data for easy device switching, View upcoming maintenance with alerts, Log service costs, notes, and part numbers, Supports multiple vehicles

**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 DeltaAuto free?

DeltaAuto costs $0.99, with no in-app purchases.

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

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

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

Neither BlueDriver OBD2 Scan Tool nor DeltaAuto shows ads.

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

BlueDriver OBD2 Scan Tool ships an update fortnightly, and DeltaAuto daily. Most recently, BlueDriver OBD2 Scan Tool was updated on November 6, 2026 and DeltaAuto on November 4, 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.*