# D vs 寻访数据助理

The clearest difference is update cadence: D at every 5 days against 寻访数据助理's monthly. D also leads on iOS requirement (15.0 vs 18.0). 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.

D ships an update every 5 days, 寻访数据助理 monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | D | 寻访数据助理 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Size | 33 MB | 6 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [LUN LIU](https://appshunter.io/developer/1890125123) | [SHANGYUAN YIN](https://appshunter.io/developer/1895277665) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-sync-ecu/id6761677479)

**In-app purchases:** none


### 寻访数据助理

[App page](https://appshunter.io/ios/app/id6763351725)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is 寻访数据助理 free?

寻访数据助理 is free to download, with no in-app purchases.

### Do D or 寻访数据助理 have ads?

Neither D nor 寻访数据助理 shows ads.

### Which is updated more often, D or 寻访数据助理?

D ships an update every 5 days, and 寻访数据助理 monthly. Most recently, D was updated on October 24, 2026 and 寻访数据助理 on October 24, 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.*