Circafast is the AI that manages your entire fasting protocol. Not a timer. Not an app you check. A nutritionist that works for you, 24/7.
Start fasting smarter →Current fasting apps make you do all the thinking. Circafast thinks for you, adapts for you, and coaches you without being asked.
Your schedule shifts based on sleep, energy, and stress. Circafast adjusts your fasting window daily without you lifting a finger.
Plans your eating windows automatically. What to eat, when to eat it, optimized for your metabolic state and goals.
No generic reminders. Circafast reaches out at the right moment with the right message based on where you are in your fast.
Every week your protocol evolves. Longer fasts, different windows, new meal patterns. All adapted automatically from your data.
The $1.2B fasting app market sells you timers. Circafast gives you a metabolic coach that never sleeps, never forgets, and gets smarter every week.