# UnitLink vs 密九通

The clearest difference is update cadence: 密九通 at every 11 months against UnitLink's every 34 months. 密九通 also leads on iOS requirement (10.0 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.

UnitLink ships an update every 34 months, 密九通 every 11 months. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | UnitLink | 密九通 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 11 months** |
| Size | 10 MB | 91 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Guangzhou Jing Rui Technology Co.,Ltd.](https://appshunter.io/developer/1208545020) | [ShenZhen AoLian Information Security Technology Co.,Ltd.](https://appshunter.io/developer/1580917948) |

## What reviewers say

### UnitLink

[App page](https://appshunter.io/ios/app/unitlink/id1545322269)

**Features:** macOS Compatibility

**In-app purchases:** none


### 密九通

[App page](https://appshunter.io/ios/app/id1641821775)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is UnitLink free?

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

### Is 密九通 free?

密九通 is free to download, with no in-app purchases.

### Do UnitLink or 密九通 have ads?

Neither UnitLink nor 密九通 shows ads.

### Which is updated more often, UnitLink or 密九通?

UnitLink ships an update every 34 months, and 密九通 every 11 months. Most recently, UnitLink was updated on October 14, 2026 and 密九通 on October 17, 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.*