# OBD Mate vs Auto Car Scanner Pro

The clearest difference is rating: Auto Car Scanner Pro at 3.8 against OBD Mate's 1.8. Auto Car Scanner Pro also leads on update cadence (every 2 days vs every 5 weeks). OBD Mate's advantage is in-app purchases (none vs 2). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Auto Car Scanner Pro sells 2 in-app purchases, starting at $3.99 per month. OBD Mate asks for nothing beyond the download.

Auto Car Scanner Pro holds the better App Store score, 3.8 against 1.8. Both are backed by a comparable volume of ratings — 115 and 68 respectively.

OBD Mate ships an update every 5 weeks, Auto Car Scanner Pro every 2 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | OBD Mate | Auto Car Scanner Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.8 (115 ratings)](https://appshunter.io/ios/app/obd-mate/id1405374762/reviews) | **[3.8 (68 ratings)](https://appshunter.io/ios/app/auto-car-scanner-pro-obd2/id6443787030/reviews)** |
| Number of ratings | **115** | 68 |
| Positive reviews | 9.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 365 MB | 11 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Autophix Tech Co., Ltd](https://appshunter.io/developer/650288249) | [SEOJIN AUTO COMPANY LIMITED](https://appshunter.io/developer/1649269765) |

## What reviewers say

### 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


### Auto Car Scanner Pro

[App page](https://appshunter.io/ios/app/auto-car-scanner-pro-obd2/id6443787030)

This app connects to your car's OBD2 system via a Bluetooth adapter to display real-time engine data, fault codes, and performance metrics. It also helps track parking location, trip details, and maintenance costs.

**Highlights:** Real-time car data display, OBD fault code reading, Car performance monitoring, Parking location tracking, Trip route and sharing, Maintenance cost charting

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access Monthly | $3.99 | per month |
| All Access Yearly | $19.99 | per year |


## Frequently asked questions

### Is OBD Mate free?

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

### Is Auto Car Scanner Pro free?

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

### Which has better reviews, OBD Mate or Auto Car Scanner Pro?

Auto Car Scanner Pro is rated higher. OBD Mate averages 1.8 out of 5 from 115 ratings, while Auto Car Scanner Pro averages 3.8 from 68 ratings.

### Do OBD Mate or Auto Car Scanner Pro have ads?

Neither OBD Mate nor Auto Car Scanner Pro shows ads.

### Which is updated more often, OBD Mate or Auto Car Scanner Pro?

OBD Mate ships an update every 5 weeks, and Auto Car Scanner Pro every 2 days. Most recently, OBD Mate was updated on November 2, 2026 and Auto Car Scanner Pro on November 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.*