# CHAODOI vs YBKK

The clearest difference is update cadence: YBKK at every 3 months against CHAODOI's every 14 months. CHAODOI's advantage is iOS requirement (12.0 vs 15.0). 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.

CHAODOI ships an update every 14 months, YBKK every 3 months. The most recent releases landed on October 18, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | CHAODOI | YBKK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 months** |
| Size | 74 MB | 25 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [K.V.N. IMPORT EXPORT (1991) COMPANY LIMITED](https://appshunter.io/developer/1449231547) | [business solution soft co., ltd.](https://appshunter.io/developer/1513169224) |

## What reviewers say

### CHAODOI

[App page](https://appshunter.io/ios/app/chaodoi/id1607244227)

**Features:** macOS Compatibility

**In-app purchases:** none


### YBKK

[App page](https://appshunter.io/ios/app/ybkk/id1639041910)

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

**In-app purchases:** none


## Frequently asked questions

### Is CHAODOI free?

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

### Is YBKK free?

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

### Do CHAODOI or YBKK have ads?

Neither CHAODOI nor YBKK shows ads.

### Which is updated more often, CHAODOI or YBKK?

CHAODOI ships an update every 14 months, and YBKK every 3 months. Most recently, CHAODOI was updated on October 18, 2026 and YBKK on September 27, 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.*