# 세벌 키보드 vs Calendar Clock

The clearest difference is review sentiment: 세벌 키보드 at 45% against Calendar Clock's 0%. 세벌 키보드 also leads on price (Free vs $0.99) and update cadence (every 2 weeks vs every 41 months). Calendar Clock's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

세벌 키보드 is free to download; Calendar Clock costs $0.99 up front. 세벌 키보드 sells 1 one-off in-app purchase. Calendar Clock asks for nothing beyond the download.

세벌 키보드 ships an update every 2 weeks, Calendar Clock every 41 months. The most recent releases landed on June 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 세벌 키보드 | Calendar Clock |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.5 (6 ratings)](https://appshunter.io/ios/app/id428835384/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | **45.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 41 months |
| Monetization | **Free** | Paid |
| Size | 43 MB | 4 MB |
| Requires iOS | **8.1** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [NO WOO KYOUNG](https://appshunter.io/developer/352275899) | [Systemiko Inc.](https://appshunter.io/developer/680630947) |

## What reviewers say

### 세벌 키보드

[App page](https://appshunter.io/ios/app/id428835384)

This keyboard app offers multiple Korean input layouts, including various historical Hangul systems and customizable options. It supports advanced features like 3D Touch and Bluetooth keyboard input, along with custom font management for a personalized typing experience.

**Highlights:** Multiple Korean input layouts, Customizable user layouts, Support for historical Hangul input, 3D Touch compatibility, Bluetooth keyboard input, Custom font management, iTunes file sharing

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 세벌식 업그레이드 | $4.99 | one-time |


### Calendar Clock

[App page](https://appshunter.io/ios/app/calendar-clock/id1451445740)

This app displays the current year, month, week, and time on a single screen with a clean design. It offers customizable theme colors and functions as a desk clock. The app disables device sleep mode while active.

**Highlights:** All-in-one screen display, Year, month, week, day, hour, minute, second, Switchable theme colors (dark, light, green, blue), Disables device sleep mode, Acts as a desk clock

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 세벌 키보드 free?

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

### Is Calendar Clock free?

Calendar Clock costs $0.99, with no in-app purchases.

### Do 세벌 키보드 or Calendar Clock have ads?

Neither 세벌 키보드 nor Calendar Clock shows ads.

### Which is updated more often, 세벌 키보드 or Calendar Clock?

세벌 키보드 ships an update every 2 weeks, and Calendar Clock every 41 months. Most recently, 세벌 키보드 was updated on June 5, 2026 and Calendar Clock on September 10, 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.*