Know your buzz.
Sleep like a baby.
DeCaf tracks every cup, shows your caffeine crash in real time, and tells you exactly when to cut off so it doesn’t wreck your sleep.
Actually fun to open 👀
No spreadsheets, no guilt-trips — just a clean, colorful read on your day.
under your goal — keep it up!
Everything you need, nothing you don’t
Track Every Cup
Log your caffeine doses quickly. See exactly how much caffeine you consume each day with an intuitive interface.
Visualize Metabolism
An interactive chart shows your real-time caffeine level based on a 5-hour half-life decay model.
Sleep Better
Set your bedtime and see the 50mg sleep threshold line. Know when to stop drinking caffeine for a great night’s rest.
Set Goals & Taper
Set a daily caffeine limit and create taper plans to gradually reduce your intake at a comfortable pace.
History & Trends
Browse your full caffeine history day by day. See patterns and make informed decisions about your habits.
Private & Secure
Your data is encrypted and synced securely. We never sell your information or share it with third parties.
How It Works
Set Your Bedtime
The app shows when you’ll drop below the sleep-safe 50mg threshold.
Watch the Chart
See your caffeine level rise and decay in real-time on the interactive chart.
Log Your Dose
Enter the drink name and caffeine amount, or pick from common presets.
Improve Over Time
Review trends, set goals, and taper down to build healthier habits.
Ready to tame the jitters?
App Store, Google Play & Muse are on the way. Your future well-rested self can wait a beat.