Caffeine Tracker

SpAkXD dev

In-app purchases

About this app

Stop guessing your energy levels. Caffeine Tracker is the most advanced caffeine app on the market — using real pharmacodynamic modeling to predict your true alertness, not just the milligrams sitting in your system.

💊 Beyond Just Milligram Counting
Other apps count caffeine. We model how it actually affects your brain:
- Metabolic Half-Life — Tracks how long caffeine lingers based on your unique body weight and metabolism.
- Adenosine Debt — Visualizes the "crash" pressure quietly building the longer you stay awake.
- Sleep Quality Impact — Adjusts your alertness ceiling based on how well you actually slept.

📉 Intelligent Visualizations
- Real-Time Alertness Curve — See exactly when your energy peaks and when a slump is coming.
- Sleep Zone Warnings — Know if your afternoon coffee will still be haunting you at midnight.
- Smooth Interactive Charts — Beautiful, detailed graphs projecting your next 24 hours at a glance.

⚡ Packed With Smart Features
- Flexible Dosing — Log coffee, tea, energy drinks, or enter a fully custom amount.
- Sleep Forecast — Get a clear prediction of when you'll actually feel ready to wind down.
- 100% Private & Offline — Your data never leaves your device. No accounts, no tracking, no ads.
- Dark Mode — A sleek, polished interface that's easy on the eyes, any time of day.

Optimize your caffeine intake for peak performance and better sleep with Caffeine Tracker — because peak performance starts with understanding what's already in your system.

What’s new

✨ Your caffeine, planned around your sleep.

🌙 See what you can still drink before bed
📅 A weekly recap, every Sunday
🔥 Share your streak as an image
📱 The widget now updates in the background
☕ Removing a drink updates everything instantly
⚡ Fixes and polish everywhere

Enjoy! ☕