삼이공 - 눈 휴식 타이머

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10+
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About this app

Are your eyes tired? Keep them healthy with the 20-20-20 rule!

Computers, smartphones, tablets... Modern people stare at screens all day, giving their eyes no time to rest.

Samygong is an app that helps you easily practice the "20-20-20 rule," recommended by ophthalmologists.

> "Samygong" is the Korean pronunciation of the number "20" in the 20-20-20 rule!

**What is the 20-20-20 Rule?**
• After 20 minutes of screen time,
• Look at something 20 feet away,
• Rest your eyes for 20 seconds.

**Key Features**

⏱️ Smart Timer
• Set focus time (1-60 minutes)
• Set break time (10-60 seconds)
• A beautiful progress bar that gradually fills the screen
• Motivational step-by-step messages

📊 Records & Statistics
• Check the number of breaks you've taken today
• Track your streak
• View your progress at a glance with a weekly graph
• Challenge your highest streak

⚙️ Custom Settings
• Adjust focus/break times to suit you
• Select sound and vibration notifications
• Supports light/dark mode

**Recommended for:**
• People who work in front of a computer all day
• People who spend a lot of time using their smartphones
• People who frequently experience eye fatigue and dryness
• People who want to develop healthy habits

Start taking care of your eye health with Samigong today!
Updated on
Mar 22, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
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No data collected
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What’s new

20-20-20 규칙으로 눈 건강 지키기
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Everyone
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About the developer
이진솔
dev.jinsol@gmail.com
South Korea