# SYKeyboard vs Geulbut

The clearest difference is in-app purchases: SYKeyboard at none against Geulbut's 3. SYKeyboard also leads on update cadence (every 3 days vs weekly). Geulbut's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Geulbut sells 3 in-app purchases, starting at $1.99 per month. SYKeyboard asks for nothing beyond the download.

SYKeyboard ships an update every 3 days, Geulbut weekly. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | SYKeyboard | Geulbut |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | Ad-supported | — |
| Size | 29 MB | 21 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DongHwan Seo](https://appshunter.io/developer/1767615496) | [Lucas Kim](https://appshunter.io/developer/6787922495) |

## What reviewers say

### SYKeyboard

[App page](https://appshunter.io/ios/app/sykeyboard/id6670792957)

This keyboard app offers multiple layouts for English and Korean typing, including QWERTY, Naratgeul, Cheonjiin, and Dubeolsik. It features a built-in numeric keypad, one-handed mode, and predictive text with extensive customization options for key repeat, cursor movement, and keyboard dimensions.

**Highlights:** English QWERTY keyboard, Multiple Korean keyboard layouts, Built-in numeric keypad, One-handed typing mode, Predictive text, Customizable keyboard settings

**Features:** Vision Pro support

**In-app purchases:** none


### Geulbut

[App page](https://appshunter.io/ios/app/geulbut/id6787922493)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $17.99 | per year |
| 1,000 Translation Credits | $1.99 | one-time |


## Frequently asked questions

### Is SYKeyboard free?

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

### Is Geulbut free?

Geulbut is free to download, with in-app purchases available.

### Do SYKeyboard or Geulbut have ads?

SYKeyboard shows ads; Geulbut does not.

### Which is updated more often, SYKeyboard or Geulbut?

SYKeyboard ships an update every 3 days, and Geulbut weekly. Most recently, SYKeyboard was updated on October 24, 2026 and Geulbut on October 17, 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.*