# Sungong vs 스르륵

The clearest difference is ads: 스르륵 at none against Sungong's shown. 스르륵 also leads on update cadence (every 2 days vs every 11 days). 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.

Sungong ships an update every 11 days, 스르륵 every 2 days. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Sungong | 스르륵 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/id6798074875/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Every 2 days** |
| Monetization | — | Freemium |
| Size | 51 MB | 3 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [joonseo park](https://appshunter.io/developer/1265149051) | [sanghyun joo](https://appshunter.io/developer/6798074877) |

## What reviewers say

### Sungong

[App page](https://appshunter.io/ios/app/sungong-pomodoro-study-timer/id6776498059)

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

**In-app purchases:** none


### 스르륵

[App page](https://appshunter.io/ios/app/id6798074875)

This Korean keyboard app allows users to edit text by swiping the spacebar to move the cursor and swiping the backspace to delete. It remembers copied text, offers a quick bar for symbols, and includes customizable themes and animated pixel pets.

**Highlights:** Swipe to move cursor, Swipe to delete text, Clipboard history, Quick symbol bar, Emoji and Kaomoji input, Customizable themes and backgrounds, Pixel pet animations

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

**In-app purchases:** none


## Frequently asked questions

### Is Sungong free?

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

### Is 스르륵 free?

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

### Do Sungong or 스르륵 have ads?

Sungong shows ads; 스르륵 does not.

### Which is updated more often, Sungong or 스르륵?

Sungong ships an update every 11 days, and 스르륵 every 2 days. Most recently, Sungong was updated on October 1, 2026 and 스르륵 on October 5, 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.*