Features

Everything you need to understand, track, and optimize your caffeine habits.

Know Your Caffeine, In Real Time

Not a simple counter — a real pharmacokinetic model that calculates absorption and decay of every dose.

  • Real-time mg level always visible
  • RISING / DECLINING / SLEEP READY states
  • Safe-to-sleep countdown timer
  • Daily budget tracker
  • Multi-dose superposition modeling
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Sleep Better Tonight

Your 3pm coffee costs you 45 minutes of sleep. Koffee knows exactly how much.

  • Sleep Score 0-100
  • Minutes-of-sleep-lost prediction
  • Personalized Last Call time
  • "What if I have coffee now?" simulator
  • Sleep quality correlation with HealthKit
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Your Body, Your Profile

Not everyone metabolizes caffeine the same way. Koffee adapts to YOUR biology.

  • Slow / normal / fast metabolizer setting
  • Weight-based dosing calculations
  • Cortisol rhythm overlay for optimal coffee windows
  • HealthKit sleep & heart rate integration
🧬

60+ Drinks, One Tap

From a 63mg espresso to a 200mg cold brew — your favorite coffee is already here.

  • 10 default presets
  • 50+ branded drinks (Starbucks, Dunkin, Costa, McCafe)
  • Unlimited custom drinks
  • Quick log from Lock Screen & Siri
  • 1-tap logging interface
☕

Insights That Actually Help

Discover patterns you didn't know you had. And if you need a reset, we'll guide you.

  • Daily / weekly / monthly / yearly heatmaps
  • Koffee Wrapped (annual review)
  • 4 consumption archetypes
  • Guided caffeine reset protocol
  • Weekly digest reports
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Everywhere You Look

On your wrist, your lock screen, and your Dynamic Island. Always at a glance.

  • 14 widgets (Home + Lock Screen)
  • Apple Watch with 4 complications
  • Dynamic Island with live countdown
  • 16 coffee-themed color themes
  • Lock Screen quick logging
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