# 星盾 vs Cerberus

星盾 and Cerberus are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 星盾 sells 6 in-app purchases, starting at $6.99 per month and Cerberus sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

星盾 ships an update weekly, Cerberus every 5 days. The most recent releases landed on November 3, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 星盾 | Cerberus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Size | 150 MB | 61 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Guangzhou Shenyou Technology Co., Ltd.](https://appshunter.io/developer/1787481896) | [Shahen Grigoryan](https://appshunter.io/developer/1839815556) |

## What reviewers say

### 星盾

[App page](https://appshunter.io/ios/app/cipher/id6800966658)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP自动续费‑30 天 | $6.99 | per month |
| VIP 权益 ‑ 7 天 | $1.99 | one-time |
| VIP 权益 ‑ 30 天 | $6.99 | one-time |
| VIP 权益 ‑ 90 天 | $19.99 | one-time |
| VIP 权益 ‑ 180 天 | $29.99 | one-time |
| VIP 权益 ‑ 365 天 | $59.99 | one-time |


### 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 星盾 free?

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

### Is Cerberus free?

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

### Do 星盾 or Cerberus have ads?

Neither 星盾 nor Cerberus shows ads.

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

星盾 ships an update weekly, and Cerberus every 5 days. Most recently, 星盾 was updated on November 3, 2026 and Cerberus on November 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*