# 51车联 vs YD云控

The clearest difference is update cadence: 51车联 at every 4 weeks against YD云控's every 3 months. YD云控's advantage is iOS requirement (12.0 vs 15.0). 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.

51车联 ships an update every 4 weeks, YD云控 every 3 months. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 51车联 | YD云控 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 3 months |
| Size | 74 MB | 30 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [深圳市卓联启航科技有限公司](https://appshunter.io/developer/1266211236) | [添 程](https://appshunter.io/developer/1748936369) |

## What reviewers say

### 51车联

[App page](https://appshunter.io/ios/app/51/id1266212518)

**Features:** Vision Pro support

**In-app purchases:** none


### YD云控

[App page](https://appshunter.io/ios/app/yd/id6738470947)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 51车联 free?

51车联 is free to download, with no in-app purchases.

### Is YD云控 free?

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

### Do 51车联 or YD云控 have ads?

Neither 51车联 nor YD云控 shows ads.

### Which is updated more often, 51车联 or YD云控?

51车联 ships an update every 4 weeks, and YD云控 every 3 months. Most recently, 51车联 was updated on October 2, 2026 and YD云控 on October 5, 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.*