Stop guessing. Sync your fasting windows with your menstrual phase — results without the risks.
April 2026
Cycle Day 10
Today: 14–16h fast
Optimal Window
Start fasting at 8:00 PM · Break at 12:00 PM
Daily Insight
High insulin sensitivity today. Your body responds best to longer fasts during this phase.
Check your hormone risk in 10 seconds
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Each phase demands different fasting windows, workout intensity, and nutrition.
Rest & restore. Gentle movement, shorter fasts.
Energy rises. Push harder, fast longer.
Peak performance. Your strongest window.
Wind down. Prioritize nourishment.
Nothing you don't.
Auto-adjusts to your cycle phase
See your phases at a glance
Flagged when you're over-fasting
Know when to fast. Know when not to.
April 2026
Today: 14–16h fast
High insulin sensitivity · Optimal window
Fasting without cycle awareness can lead to serious consequences.
From women who stopped guessing.
"I used to fast 48h thinking it was discipline. My period disappeared for 6 months. This app fixed everything."
Sarah K.
28, recovered her cycle in 3 months
"Finally something that tells me when NOT to fast. That's the feature I didn't know I needed."
Mia R.
32, lost 12 lbs sustainably
"My body finally makes sense. I stopped fighting my cycle and started working with it."
Priya T.
26, improved energy & mood
"The safety alerts caught me over-fasting during my luteal phase. No other app does this."
Emma L.
30, prevented hormonal disruption
Join thousands of women syncing their health with their cycle.
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