# 3DLink vs 贴信

The clearest difference is device support: 3DLink at 3 against 贴信's —. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 3DLink | 贴信 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 2 months | — |
| Size | 127 MB | 85 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 12+ | 17+ |
| Developer | [Shenzhen 3DVSTAR Display Technology Co., Ltd.](https://appshunter.io/developer/1442423873) | [Foshan Shunde Sdpt-Online Information Service Co., Ltd.](https://appshunter.io/developer/1745650181) |

## What reviewers say

### 3DLink

[App page](https://appshunter.io/ios/app/3dlink/id1521976590)

**In-app purchases:** none


### 贴信

[App page](https://appshunter.io/ios/app/id6502503452)

**In-app purchases:** none


## Frequently asked questions

### Is 3DLink free?

3DLink is free to download, with no in-app purchases.

### Is 贴信 free?

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

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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.*