# 互督 vs Cerberus

The clearest difference is in-app purchases: 互督 at none against Cerberus's 3. 互督 also leads on iOS requirement (13.0 vs 16.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Cerberus sells 3 in-app purchases, starting at $2.99 per month. 互督 asks for nothing beyond the download.

互督 ships an update every 2 weeks, Cerberus every 9 days. The most recent releases landed on October 25, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | 互督 | Cerberus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Size | 33 MB | 61 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Shanghai Focus Work Technology Co., Ltd.](https://appshunter.io/developer/6776465502) | [Shahen Grigoryan](https://appshunter.io/developer/1839815556) |

## What reviewers say

### 互督

[App page](https://appshunter.io/ios/app/id6776465500)

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

**In-app purchases:** none


### Cerberus

[App page](https://appshunter.io/ios/app/cerberus-private-secure-chat/id6811835565)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cerberus Pro Monthly | $2.99 | per month |
| Cerberus Pro Yearly | $14.99 | per year |
| AirPact: Private Secure Chat | $29.99 | one-time |


## Frequently asked questions

### Is 互督 free?

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

### Is Cerberus free?

Cerberus is free to download, with in-app purchases available.

### Do 互督 or Cerberus have ads?

Neither 互督 nor Cerberus shows ads.

### Which is updated more often, 互督 or Cerberus?

互督 ships an update every 2 weeks, and Cerberus every 9 days. Most recently, 互督 was updated on October 25, 2026 and Cerberus on November 6, 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.*