# OBD2 Car Scanner vs OBD2 Expert

The clearest difference is review sentiment: OBD2 Car Scanner at 55% against OBD2 Expert's 8%. OBD2 Car Scanner also leads on rating (4.6 vs 4.1) and ratings volume (5K vs 725). OBD2 Expert's advantage is iOS requirement (9.3 vs 14.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. OBD2 Car Scanner sells 3 one-off in-app purchases and OBD2 Expert sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

OBD2 Car Scanner holds the better App Store score, 4.6 against 4.1. That said, the two scores are not equally well evidenced: OBD2 Car Scanner has 5K ratings behind it against 725, so its average is the more settled of the two. Written reviews point the same way: 55% of OBD2 Car Scanner's written reviews are positive against 8% of OBD2 Expert's.

OBD2 Car Scanner ships an update every 5 weeks, OBD2 Expert every 2 months. The most recent releases landed on September 26, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | OBD2 Car Scanner | OBD2 Expert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5K ratings)](https://appshunter.io/ios/app/obd2-car-scanner-eobd-facile/id713921569/reviews)** | [4.1 (725 ratings)](https://appshunter.io/ios/app/obd2-expert/id1142156521/reviews) |
| Number of ratings | **5K** | 725 |
| Positive reviews | **54.6% of reviews** | 8.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 65 MB | 17 MB |
| Requires iOS | 14.0 | **9.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OUTILS OBD FACILE SARL](https://appshunter.io/developer/694586088) | [Michael Lauer](https://appshunter.io/developer/300205595) |

## What reviewers say

### OBD2 Car Scanner

[App page](https://appshunter.io/ios/app/obd2-car-scanner-eobd-facile/id713921569)

Transform your smartphone into a professional car diagnostic tool. Read and clear engine fault codes, monitor real-time sensor data, and perform advanced diagnostics without a mechanic. Supports a wide range of OBD2 compliant vehicles.

**Highlights:** Read and clear engine fault codes, Monitor real-time sensor data, Turn off check engine light, VIN decoder, Acceleration performance test, Generate PDF diagnostic reports

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Edition | $19.99 | one-time |
| Upgrade to Plus Edition | $20.99 | one-time |
| Plus edition | $39.99 | one-time |

**What reviewers like**

- 👍 Helpful for diagnosing issues
- 🚀 Easy to use and connect
- 💡 Provides useful vehicle data
- 🔍 Able to read and clear error codes

**What reviewers complain about**

- 💰 Expensive for full functionality
- 🔒 Requires paid upgrade to access key features
- 🐛 Connectivity issues and app crashes
- 🚫 Limited functionality in free version

**Reported bugs**

- Unable to connect to some OBD2 adapters
- Incorrect or missing sensor data
- Paid version not functioning as expected

**Requested features**

- Add support for more vehicle makes and models
- Improve user interface and data visualization
- Ability to reset service lights and perform more advanced diagnostics
- Integrate with vehicle GPS for location-based data


### OBD2 Expert

[App page](https://appshunter.io/ios/app/obd2-expert/id1142156521)

Diagnose and monitor your vehicle's health by connecting an OBD2 adapter. View sensor data, read and reset trouble codes, and analyze diagnostic information. Developers can use it as a hardware simulator or protocol bridge.

**Highlights:** Vehicle diagnostics and monitoring, Read and reset diagnostic trouble codes (DTC), View current sensor data, Analyze Mode 6 diagnostics, Load vehicle status files for testing, Share vehicle status data, BLE/WiFi OBD2 ScanTool simulator for developers, OBD2 protocol communication bridge

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Operation Mode Bridge | $0.99 | one-time |
| Operation Mode ScanTool | $2.99 | one-time |
| Operation Mode Simulator | $4.99 | one-time |
| All Features | $5.99 | one-time |

**What reviewers like**

- 👍 Works well
- 🚀 Fast and responsive
- 💡 Useful features

**What reviewers complain about**

- 🐛 Crashes frequently
- 🔒 Requires payment to unlock core functionality
- ⚠️ Doesn't detect/connect to OBD2 adapter
- 🤖 Lacks instructions/documentation
- 💸 Overpriced for limited functionality

**Reported bugs**

- Freezes during use
- Fails to recognize compatible OBD2 adapters
- Inaccurate vehicle information detection

**Requested features**

- Add support for more vehicle models
- Implement live data monitoring
- Include ability to clear diagnostic codes
- Provide free trial period to test functionality


## Frequently asked questions

### Is OBD2 Car Scanner free?

OBD2 Car Scanner is free to download, with in-app purchases available.

### Is OBD2 Expert free?

OBD2 Expert is free to download, with in-app purchases available.

### Which has better reviews, OBD2 Car Scanner or OBD2 Expert?

OBD2 Car Scanner is rated higher. OBD2 Car Scanner averages 4.6 out of 5 from 5K ratings, while OBD2 Expert averages 4.1 from 725 ratings.

### Do OBD2 Car Scanner or OBD2 Expert have ads?

Neither OBD2 Car Scanner nor OBD2 Expert shows ads.

### Which is updated more often, OBD2 Car Scanner or OBD2 Expert?

OBD2 Car Scanner ships an update every 5 weeks, and OBD2 Expert every 2 months. Most recently, OBD2 Car Scanner was updated on September 26, 2026 and OBD2 Expert on September 24, 2026.

---

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