# sienne vs kyomin24

The clearest difference is ads: sienne at none against kyomin24's shown. On price, update cadence, 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.

sienne ships an update every 6 months, kyomin24 every 9 months. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | sienne | kyomin24 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 6 months** | Every 9 months |
| Size | 71 MB | 118 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [(주)시엔느](https://appshunter.io/developer/1681238902) | [seongho choi](https://appshunter.io/developer/1756477449) |

## What reviewers say

### sienne

[App page](https://appshunter.io/ios/app/sienne/id6447422202)

**Features:** Vision Pro support

**In-app purchases:** none


### kyomin24

[App page](https://appshunter.io/ios/app/kyomin24/id6529536762)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is sienne free?

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

### Is kyomin24 free?

kyomin24 is free to download, with no in-app purchases.

### Do sienne or kyomin24 have ads?

kyomin24 shows ads; sienne does not.

### Which is updated more often, sienne or kyomin24?

sienne ships an update every 6 months, and kyomin24 every 9 months. Most recently, sienne was updated on October 24, 2026 and kyomin24 on October 18, 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.*