Track your caffeine. Sleep better.

Koffee uses real pharmacokinetic modeling to show exactly how caffeine affects your body and sleep — so you can make smarter choices about your next cup.

Download on theApp Store

Coming soon onGoogle Play

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App screenshot

What makes Koffee different

Real Pharmacokinetics

Not a simple counter. A real model that calculates absorption and decay of every caffeine dose in your system.

Sleep Intelligence

Know exactly how your 3pm coffee affects tonight's sleep. Get a personalized "last call" time every day.

Personalized to You

Everyone metabolizes caffeine differently. Koffee adapts to your weight, metabolism speed, and cortisol rhythm.

Everywhere You Look

Widgets, Apple Watch, Dynamic Island, and Lock Screen. Your caffeine level always at a glance.

Ready to optimize your caffeine?

Download Koffee and start sleeping better tonight.

Download on theApp Store

Coming soon onGoogle Play