# 龙快运 vs SmartZDOBD

The clearest difference is update cadence: SmartZDOBD at every 2 weeks against 龙快运's every 5 weeks. 龙快运's advantage is iOS requirement (9.0 vs 12.0). 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.

龙快运 ships an update every 5 weeks, SmartZDOBD every 2 weeks. The most recent releases landed on October 27, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 龙快运 | SmartZDOBD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Size | 31 MB | 38 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Henan Longxiang Wangyun Supply Chain Management Service Co., Ltd.](https://appshunter.io/developer/1642289423) | [深圳市正德友邦科技有限公司](https://appshunter.io/developer/1691030696) |

## What reviewers say

### 龙快运

[App page](https://appshunter.io/ios/app/id1642294935)

**In-app purchases:** none


### SmartZDOBD

[App page](https://appshunter.io/ios/app/smartzdobd/id6746559817)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 龙快运 free?

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

### Is SmartZDOBD free?

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

### Do 龙快运 or SmartZDOBD have ads?

Neither 龙快运 nor SmartZDOBD shows ads.

### Which is updated more often, 龙快运 or SmartZDOBD?

龙快运 ships an update every 5 weeks, and SmartZDOBD every 2 weeks. Most recently, 龙快运 was updated on October 27, 2026 and SmartZDOBD on October 6, 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.*