# 찰나 vs 실루엣

찰나 and 실루엣 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. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 찰나 | 실루엣 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Size | 18 MB | 59 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jeonguk Jeong](https://appshunter.io/developer/1721893321) | [jinok seong](https://appshunter.io/developer/6795976550) |

## What reviewers say

### 찰나

[App page](https://appshunter.io/ios/app/challa/id6790148975)

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

**In-app purchases:** none


### 실루엣

[App page](https://appshunter.io/ios/app/id6795976548)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 찰나 free?

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

### Is 실루엣 free?

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

### Do 찰나 or 실루엣 have ads?

Neither 찰나 nor 실루엣 shows ads.

### Which is updated more often, 찰나 or 실루엣?

찰나 ships an update every 5 days, and 실루엣 every 5 days. Most recently, 찰나 was updated on October 31, 2026 and 실루엣 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.*