# BlueDriver OBD2 Scan Tool vs CrewAssign

The clearest difference is rating: CrewAssign at 5.0 against BlueDriver OBD2 Scan Tool's 4.6. CrewAssign also leads on monetization model (free vs free with in-app purchases) and update cadence (every 3 days vs fortnightly). BlueDriver OBD2 Scan Tool's advantage is ratings volume (14K vs 1). 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.

CrewAssign 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, CrewAssign every 3 days. The most recent releases landed on October 15, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | BlueDriver OBD2 Scan Tool | CrewAssign |
| --- | --- | --- |
| Price | Free | Free |
| 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/crewassign/id6798445080/reviews)** |
| Number of ratings | **14K** | 1 |
| Positive reviews | 57.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 273 MB | 48 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lemur Vehicle Monitors](https://appshunter.io/developer/445403400) | [JOSEPH CHAPMAN](https://appshunter.io/developer/6787262397) |

## 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


### CrewAssign

[App page](https://appshunter.io/ios/app/crewassign/id6798445080)

Streamline construction workforce management with this app. It allows crews to view schedules, clock in/out on-site, and manage tasks with photo attachments. Administrators can oversee job sites, assign workers, and generate reports.

**Highlights:** Crew scheduling and calendar view, On-site clock in/out, Task management with photo attachments, Material and time-off requests, Offline functionality, Job site information management, Reporting and analytics

**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 CrewAssign free?

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

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

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

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

Neither BlueDriver OBD2 Scan Tool nor CrewAssign shows ads.

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

BlueDriver OBD2 Scan Tool ships an update fortnightly, and CrewAssign every 3 days. Most recently, BlueDriver OBD2 Scan Tool was updated on October 15, 2026 and CrewAssign on October 3, 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.*