# 씨오톡 vs X4

The clearest difference is update cadence: X4 at every 2 days against 씨오톡's weekly. 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.

씨오톡 ships an update weekly, X4 every 2 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | 씨오톡 | X4 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Size | 123 MB | 44 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [learninvest](https://appshunter.io/developer/1266174502) | [Sungyong Moon](https://appshunter.io/developer/6815110178) |

## What reviewers say

### 씨오톡

[App page](https://appshunter.io/ios/app/ceo/id1634149831)

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

**In-app purchases:** none


### X4

[App page](https://appshunter.io/ios/app/x4/id6815110176)

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

**In-app purchases:** none


## Frequently asked questions

### Is 씨오톡 free?

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

### Is X4 free?

X4 is free to download, with no in-app purchases.

### Do 씨오톡 or X4 have ads?

Neither 씨오톡 nor X4 shows ads.

### Which is updated more often, 씨오톡 or X4?

씨오톡 ships an update weekly, and X4 every 2 days. Most recently, 씨오톡 was updated on October 24, 2026 and X4 on October 24, 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.*