# LK 워치키보드 vs WatchPDF

The clearest difference is review sentiment: WatchPDF at 89% against LK 워치키보드's 58%. WatchPDF also leads on update cadence (weekly vs every 3 weeks) and price ($4.99 vs $5.99). LK 워치키보드's advantage is iOS requirement (13.0 vs 16.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

LK 워치키보드 costs $5.99 and WatchPDF $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

LK 워치키보드 ships an update every 3 weeks, WatchPDF weekly. The most recent releases landed on September 22, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | LK 워치키보드 | WatchPDF |
| --- | --- | --- |
| Price | $5.99 | **$4.99** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/watchpdf/id6502047038/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 58.3% of reviews | **88.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Paid | Paid |
| Size | 1 MB | 16 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Park Sung Cheol](https://appshunter.io/developer/328258577) | [kim juyoung](https://appshunter.io/developer/918406157) |

## What reviewers say

### LK 워치키보드

[App page](https://appshunter.io/ios/app/lk/id6478436386)

This app offers a Korean keyboard layout for Apple Watch, mirroring the familiar iPhone keyboard. It allows for comfortable message sending with an intuitive design.

**Highlights:** Korean keyboard layout for Apple Watch, Familiar iPhone keyboard arrangement, Comfortable message sending, Intuitive design

**Features:** Apple Watch app

**In-app purchases:** none


### WatchPDF

[App page](https://appshunter.io/ios/app/watchpdf/id6502047038)

View PDF files directly on your Apple Watch. This app allows you to access and navigate PDFs stored on your paired iPhone without needing to transfer them. Enjoy convenient PDF viewing anytime, anywhere.

**Highlights:** View PDFs on Apple Watch, Stream PDFs from iPhone, Zoom and navigate pages, Support for password-locked PDFs, Adjustable screen brightness, App Lock feature

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is LK 워치키보드 free?

LK 워치키보드 costs $5.99, with no in-app purchases.

### Is WatchPDF free?

WatchPDF costs $4.99, with no in-app purchases.

### Do LK 워치키보드 or WatchPDF have ads?

Neither LK 워치키보드 nor WatchPDF shows ads.

### Which is updated more often, LK 워치키보드 or WatchPDF?

LK 워치키보드 ships an update every 3 weeks, and WatchPDF weekly. Most recently, LK 워치키보드 was updated on September 22, 2026 and WatchPDF on September 15, 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.*