# 密九通 vs DCast

The clearest difference is update cadence: DCast at every 4 months against 密九通's every 11 months. 密九通's advantage is iOS requirement (10.0 vs 14.2). 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.

密九通 ships an update every 11 months, DCast every 4 months. The most recent releases landed on August 31, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 密九通 | DCast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 months** |
| Size | 91 MB | 57 MB |
| Requires iOS | **10.0** | 14.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ShenZhen AoLian Information Security Technology Co.,Ltd.](https://appshunter.io/developer/1580917948) | [Zhejiang Dahua Vision Technology Co.,Ltd.](https://appshunter.io/developer/1490059642) |

## What reviewers say

### 密九通

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

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

**In-app purchases:** none


### DCast

[App page](https://appshunter.io/ios/app/dcast/id6745861023)

**In-app purchases:** none


## Frequently asked questions

### Is 密九通 free?

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

### Is DCast free?

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

### Do 密九通 or DCast have ads?

Neither 密九通 nor DCast shows ads.

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

密九通 ships an update every 11 months, and DCast every 4 months. Most recently, 密九通 was updated on August 31, 2026 and DCast on September 9, 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.*