# 优胜汽修大师 vs TabScan

The clearest difference is update cadence: 优胜汽修大师 at every 2 weeks against TabScan's monthly. TabScan's advantage is iOS requirement (11.0 vs 13.0). 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, TabScan monthly. The most recent releases landed on March 3, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | 优胜汽修大师 | TabScan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 81 MB | 87 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Guangzhou Yousheng Automobile Technology Co., Ltd.](https://appshunter.io/developer/1455963727) | [OBD GO TECH CO LTD](https://appshunter.io/developer/1627457928) |

## What reviewers say

### 优胜汽修大师

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

**Features:** macOS Compatibility

**In-app purchases:** none


### TabScan

[App page](https://appshunter.io/ios/app/tabscan/id6447932761)

**Features:** macOS Compatibility

**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 TabScan free?

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

### Do 优胜汽修大师 or TabScan have ads?

Neither 优胜汽修大师 nor TabScan shows ads.

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

优胜汽修大师 ships an update every 2 weeks, and TabScan monthly. Most recently, 优胜汽修大师 was updated on March 3, 2026 and TabScan on June 1, 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.*