MyCaffeineLog
Track Your Caffeine Levels
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
Track every cup, see your real-time caffeine levels with half-life decay, and know exactly when to stop for better sleep. 100% private, 100% on-device.
Ever wonder how much caffeine is still in your system? CaffeineLog tracks every cup and shows you exactly where your caffeine levels stand — in real time. Make smarter decisions about your next coffee and get better sleep tonight.
KEY FEATURES
• Real-Time Caffeine Tracking
See your current caffeine level calculated using scientifically accurate half-life decay modeling.
• Quick Drink Logging
Log coffee, tea, energy drinks, and more with just a few taps.
• Sleep Recommendations
Get personalized suggestions on when it's safe to sleep based on your caffeine metabolism.
• Weekly Statistics
View daily averages, peak consumption days, and 7-day trends at a glance.
• Drink Library
Choose from a comprehensive list of popular caffeinated beverages with preset caffeine amounts.
• Custom Drinks
Add your own beverages with custom caffeine values.
• Smart Notifications
Get alerts when your caffeine level is high or when it's safe to sleep.
• Beautiful Dark Interface
OLED-optimized design with smooth animations and haptic feedback.
• 100% Offline & Private
Works entirely on your device. No accounts, no cloud, no tracking.
PERFECT FOR
• Coffee lovers who want to understand their caffeine habits
• People looking to improve sleep quality by managing caffeine timing
• Health-conscious individuals tracking daily stimulant intake
• Anyone curious about how long caffeine actually stays in their body
WHY CAFFEINELOG?
CaffeineLog is built with privacy at its core. All your data stays on your device — no accounts, no cloud syncing, no tracking. Just a simple, powerful tool to help you understand and manage your caffeine intake so you can feel your best every day.
Download CaffeineLog today and take control of your caffeine habits!
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Privacy Policy: https://seochan-company.vercel.app/caffeinelog/privacy
Support: https://seochan-company.vercel.app/caffeinelog/support
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
The developer, Hui Chan Seo, 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 Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Hui Chan Seo
- Size
- 1.7 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Korean
- Age Rating
4+
- 4+
- Copyright
- © 2026 Huichan Seo