# 优胜汽修大师 vs OBD Smart

The clearest difference is update cadence: OBD Smart at daily against 优胜汽修大师's every 2 weeks. 优胜汽修大师's advantage is iOS requirement (13.0 vs 18.2). 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.

优胜汽修大师 ships an update every 2 weeks, OBD Smart daily. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 优胜汽修大师 | OBD Smart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 81 MB | 9 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [广州优胜汽车科技有限公司](https://appshunter.io/developer/1455963727) | [鹏飞 李](https://appshunter.io/developer/1797242444) |

## What reviewers say

### 优胜汽修大师

[App page](https://appshunter.io/ios/app/id1484772060)

**Features:** macOS Compatibility

**In-app purchases:** none


### OBD Smart

[App page](https://appshunter.io/ios/app/obd-smart/id6754952678)

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

**In-app purchases:** none


## Frequently asked questions

### Is 优胜汽修大师 free?

优胜汽修大师 is free to download, with no in-app purchases.

### Is OBD Smart free?

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

### Do 优胜汽修大师 or OBD Smart have ads?

Neither 优胜汽修大师 nor OBD Smart shows ads.

### Which is updated more often, 优胜汽修大师 or OBD Smart?

优胜汽修大师 ships an update every 2 weeks, and OBD Smart daily. Most recently, 优胜汽修大师 was updated on October 16, 2026 and OBD Smart 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.*