# 途悦OBD vs 小车探Pro

The clearest difference is in-app purchases: 途悦OBD at none against 小车探Pro's 2. 途悦OBD also leads on update cadence (every 9 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 小车探Pro sells 1 one-off in-app purchase. 途悦OBD asks for nothing beyond the download.

途悦OBD ships an update every 9 days, 小车探Pro monthly. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 途悦OBD | 小车探Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/obd/id1380981799/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Free | — |
| Size | 11 MB | 2.1 GB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Proidi Intelligent Technology Co., Ltd.](https://appshunter.io/developer/1126194595) | [ShenZhen Topdon Technology Co.,Ltd](https://appshunter.io/developer/1242683012) |

## What reviewers say

### 途悦OBD

[App page](https://appshunter.io/ios/app/obd/id1380981799)

This tool connects to your vehicle's OBD2/EOBD system to diagnose engine faults. It reads and clears error codes, monitors real-time engine data, and provides detailed system diagnostics. It can also access vehicle information and test specific components.

**Highlights:** Read and clear fault codes, Real-time engine data monitoring, System diagnostics, Freeze frame data, Vehicle information retrieval, Component testing, Oxygen sensor testing

**Features:** macOS Compatibility

**In-app purchases:** none


### 小车探Pro

[App page](https://appshunter.io/ios/app/pro/id6476600183)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小车探pro续费包 | $6.99 | one-time |


## Frequently asked questions

### Is 途悦OBD free?

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

### Is 小车探Pro free?

小车探Pro is free to download, with in-app purchases available.

### Do 途悦OBD or 小车探Pro have ads?

Neither 途悦OBD nor 小车探Pro shows ads.

### Which is updated more often, 途悦OBD or 小车探Pro?

途悦OBD ships an update every 9 days, and 小车探Pro monthly. Most recently, 途悦OBD was updated on October 2, 2026 and 小车探Pro on October 7, 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.*