# Sowonbyul vs Keyz

The clearest difference is ads: Sowonbyul at none against Keyz's shown. Sowonbyul also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Sowonbyul sells 3 one-off in-app purchases and Keyz sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sowonbyul ships an update weekly, Keyz every 4 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Sowonbyul | Keyz |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 96 MB | 10 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Jongmin Moon](https://appshunter.io/developer/1148608869) | [Keyz](https://appshunter.io/developer/1896749569) |

## What reviewers say

### Sowonbyul

[App page](https://appshunter.io/ios/app/sowonbyul/id1464643112)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Wish Points | $0.99 | one-time |
| 350 Wish Points | $1.99 | one-time |
| 1300 Wish Points | $6.99 | one-time |


### Keyz

[App page](https://appshunter.io/ios/app/keyz-keycap-fidget/id6770513549)

Experience the satisfying click of mechanical keyboards on your phone. Customize keycaps, backgrounds, and sounds for a personalized fidgeting experience. Unlock daily rewards and track your taps.

**Highlights:** Customizable keycap and background skins, Multiple sound packs including mechanical and typewriter, LED backlight mode, Customizable key labels with letters or emojis, Daily streaks and secret skin collection, Click counter

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pass | $2.99 | one-time |


## Frequently asked questions

### Is Sowonbyul free?

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

### Is Keyz free?

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

### Do Sowonbyul or Keyz have ads?

Keyz shows ads; Sowonbyul does not.

### Which is updated more often, Sowonbyul or Keyz?

Sowonbyul ships an update weekly, and Keyz every 4 days. Most recently, Sowonbyul was updated on October 24, 2026 and Keyz on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*