KLOCK – Focus Pacemaker
AI Focus & Timelapse
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Record your study moments as beautiful timelapses, and stay on track with AI focus support. Start building better study habits with Clark today.
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.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
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
The developer, Chanwoo Seong, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Browsing History
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Chanwoo Seong
- Size
- 107 MB
- Category
- Productivity
- Compatibility
Requires iOS 15.6 or later.
- iPhone
Requires iOS 15.6 or later. - iPod touch
Requires iOS 15.6 or later. - Mac
Requires macOS 12.5 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 2 more
- English, Japanese, Korean
- Age Rating
4+
- 4+
- Infrequent
Contests
- Copyright
- © 2026 Chanoo.