# Silent vs Sogool

The clearest difference is ads: Silent at none against Sogool's shown. Sogool's advantage is update cadence (every 10 days vs every 4 weeks). On price, in-app purchases, device support 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.

Silent ships an update every 4 weeks, Sogool every 10 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Silent | Sogool |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 10 days** |
| Size | 143 MB | 56 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [CYBER 50 DEFENSE](https://appshunter.io/developer/1848000306) | [BYUNGHEE GONG](https://appshunter.io/developer/1896547904) |

## What reviewers say

### Silent

[App page](https://appshunter.io/ios/app/silent-secure-messenger/id6754346758)

**In-app purchases:** none


### Sogool

[App page](https://appshunter.io/ios/app/sogool-secure-messenger/id6768185122)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Silent free?

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

### Is Sogool free?

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

### Do Silent or Sogool have ads?

Sogool shows ads; Silent does not.

### Which is updated more often, Silent or Sogool?

Silent ships an update every 4 weeks, and Sogool every 10 days. Most recently, Silent was updated on October 30, 2026 and Sogool on October 28, 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.*