# KLOCK – Focus Pacemaker — AI Focus & Timelapse

> AI Focus & Timelapse (iPhone/iPad app by Chanwoo Seong.)

- Source: https://appshunter.io/ios/app/klock-focus-pacemaker/id6758343693 (this page in markdown: same URL + `.md`)
- Developer: [Chanwoo Seong](https://appshunter.io/developer/1135679194)
- Category: Productivity, Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 15.6 · 102 MB
- Languages: American English, Japanese, Korean
- Released: 2026-02-04
- Data updated: 2026-05-14
- User reviews in markdown: https://appshunter.io/ios/app/klock-focus-pacemaker/id6758343693/reviews.md

## What is KLOCK?

When you need to focus, choose KLOCK.
Keep reaching for your phone when you’re supposed to be studying?
It’s time to really lock in.

Key Features

AI Focus Care
If you get distracted while studying, AI catches it instantly.
It smartly checks whether you’re actually focused,
so your study flow doesn’t get interrupted.

Timelapse That Records Your Effort
Your study sessions are automatically recorded
and turned into clean, shareable timelapse videos.

Seeing how long you truly stayed focused
naturally boosts your motivation.

25 Minutes On → Real Breaks
Focus for 25 minutes and break time is automatically earned.
Go hard when you study,
fully relax when you rest.

Clean Design + Dark Mode
A sleek, distraction-free interface.
Just having it open makes you feel more focused.

Start today with Clark
and turn your study time into real, intentional time.

When you track it, it changes.
Focus becomes a habit.


## Version history (last 5 releases)

### 2.4.0 — 2026-03-11

1. Improved the app guide UI
2. Fixed an issue where a person was not detected during break time, preventing it from switching to study time

### 2.3.1 — 2026-03-01

1. Cloud Restore Fix: Resolved an issue where study records were not being saved after restoring from an iCloud backup. Your data is now synced and secured reliably.

2. Enhanced Stability: Optimized overall app performance to ensure a smoother and more reliable study experience.

3. Improved User Flow: Refined service usability and navigation flows to help you stay focused on your goals without distraction.

### 2.3.0 — 2026-02-27

1. iCloud Auto-Sync Your study logs are safely preserved even after app uninstalls or device changes. Offline records sync automatically when you're back online.

2. Global Language Support Full official support for English, Korean, and Japanese for a better experience worldwide.

3. Refined Design & UI Enhanced glassmorphism theme for deeper immersion. Experience clearer timers and smoother animations.

4. New 'Contact Us' Feature Need help or have a suggestion? You can now send your feedback directly to our development team within the app.

5. Stability Improvements Optimized battery performance and fixed minor bugs to ensure an uninterrupted focus session.

### 2.2.0 — 2026-02-26

1. iCloud Auto-Sync Your study logs are safely preserved even after app uninstalls or device changes. Offline records sync automatically when you're back online.

2. Global Language Support Full official support for English, Korean, and Japanese for a better experience worldwide.

3. Refined Design & UI Enhanced glassmorphism theme for deeper immersion. Experience clearer timers and smoother animations.

4. Stability Improvements Optimized battery performance and fixed minor bugs to ensure an uninterrupted focus session.

### 2.1.1 — 2026-02-23

1. 어떤 시험에든 쓸 수 있도록 우주를 품은 ‘시험 타이머’로 새롭게 추가 되었습니다. 내신, 수능부터 자격증까지 완벽하게 타이밍을 맞춰보세요.
2. 사소한 버그 수정

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-14.*