# iOBD2 vs OBD Mate

The clearest difference is rating: iOBD2 at 2.8 against OBD Mate's 1.8. iOBD2 also leads on review sentiment (23% vs 9%) and iOS requirement (6.0 vs 13.0). OBD Mate's advantage is monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iOBD2 holds the better App Store score, 2.8 against 1.8. Both are backed by a comparable volume of ratings — 84 and 115 respectively. Written reviews point the same way: 23% of iOBD2's written reviews are positive against 9% of OBD Mate's.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 7, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | iOBD2 | OBD Mate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (84 ratings)](https://appshunter.io/ios/app/iobd2/id528881858/reviews)** | [1.8 (115 ratings)](https://appshunter.io/ios/app/obd-mate/id1405374762/reviews) |
| Number of ratings | 84 | **115** |
| Positive reviews | **23.4% of reviews** | 9.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 90 MB | 365 MB |
| Requires iOS | **6.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [翔宇 金](https://appshunter.io/developer/528881861) | [Autophix Tech Co., Ltd](https://appshunter.io/developer/650288249) |

## What reviewers say

### iOBD2

[App page](https://appshunter.io/ios/app/iobd2/id528881858)

Transform your iPhone or iPad into a powerful vehicle diagnostic tool. Read engine data, check for issues, and monitor real-time performance metrics like fuel consumption and acceleration. Customize your dashboard to display only the information you care about.

**Highlights:** Read and clear diagnostic trouble codes (DTCs), Access live engine data, View freeze frame data, Monitor readiness test status, Read vehicle information (VIN, CALID, CVN), Perform O2 sensor and EVAP system tests, Customize real-time dashboards

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Works great
- 👍 Wonderful app
- 🚀 Excellent tool
- 👍 Good product
- 🚀 Awesome free app

**What reviewers complain about**

- 🐛 Doesn't work
- 🐛 Crashes frequently
- 🐛 Connection issues
- 🐛 Unreliable
- 🐛 Useless

**Reported bugs**

- Crashes when checking DTCs
- Fails to connect to Bluetooth/WiFi adapters
- Incorrect sensor readings
- Compatibility issues with newer vehicles

**Requested features**

- Update for newer iOS versions
- More frequent updates
- Support for more vehicle makes/models
- Customizable dashboards
- Live data for more sensors


### OBD Mate

[App page](https://appshunter.io/ios/app/obd-mate/id1405374762)

Diagnose vehicle faults and receive driving assistance using your smartphone or tablet. Connect via Bluetooth to read and clear error codes, monitor sensor data, and view custom dashboards for a better driving experience.

**Highlights:** Fault diagnosis, Driving assistance, Read and clear codes, Freeze frame data, O2 sensor monitoring, Customizable dashboard

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

**In-app purchases:** none


## Frequently asked questions

### Is iOBD2 free?

iOBD2 is free to download, with no in-app purchases.

### Is OBD Mate free?

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

### Which has better reviews, iOBD2 or OBD Mate?

iOBD2 is rated higher. iOBD2 averages 2.8 out of 5 from 84 ratings, while OBD Mate averages 1.8 from 115 ratings.

### Do iOBD2 or OBD Mate have ads?

Neither iOBD2 nor OBD Mate shows ads.

### Which is updated more often, iOBD2 or OBD Mate?

iOBD2 ships an update every 5 weeks, and OBD Mate every 5 weeks. Most recently, iOBD2 was updated on October 7, 2026 and OBD Mate on October 16, 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.*