LK 워치키보드 vs Secret File Box
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LK 워치키보드
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.
- Korean keyboard layout for Apple Watch
- Familiar iPhone keyboard arrangement
- Comfortable message sending
- Intuitive design
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아이폰 키보드의 한글 키와 같은 배치의 애플 워치 키보드입니다. 익숙한 형태의 키보드로 편하게 메시지 전송하세요.
Secret File Box
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Secret File Box - Simple and Easy-to-Use File Manager This is a privacy-focused file management app. We help you securely store and manage various types of files. Main Features: • Files stored securely on your device • Supports photos, videos, audio, documents and more • Batch file management for greater efficiency • Password protection to ensure file security • Optional iCloud synchronization • Clean and user-friendly interface design Privacy Protection: • We don't collect any of your information • Files are stored only locally on your device • You have complete control over your data Perfect for users who need to securely manage important files. Clean interface, simple operation, making file management easy and enjoyable. Supports iOS 14.0 and above, compatible with iPhone and iPad.
Screenshots
Verdict
The clearest difference is price: Secret File Box at Free against LK 워치키보드's $5.99. Secret File Box also leads on update cadence (every 4 days vs every 3 weeks). LK 워치키보드's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Secret File Box is free to download; LK 워치키보드 costs $5.99 up front. Secret File Box sells 1 one-off in-app purchase. LK 워치키보드 asks for nothing beyond the download.
LK 워치키보드 ships an update every 3 weeks, Secret File Box every 4 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.
| Parameter | LK 워치키보드 | Secret File Box |
|---|---|---|
| Price | $5.99 | Free — better |
| Positive reviews | 58.3% of reviews | — |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 1 MB | 33 MB |
| Age rating | 4+ | 12+ |
| Developer | Park Sung Cheol | Shanghai Xuanxiang Zhixin Technology Co., Ltd |
In-app purchases
LK 워치키보드
No in-app purchases
Secret File Box
- Premium Unlock$9.99
