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
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
- Seller
- 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
