MonthCycle Private by design
Understand your month.
Track your cycle, symptoms, mood, and fertility with a privacy-first app designed for adults.
MonthCycle does not sell or use reproductive health data for ad targeting.
Period and fertility tracking
Mood and symptom insights
Private by design
Onboarding
Only the details needed to begin.
Your cycle data belongs to you. MonthCycle does not sell, share, or use your reproductive health information for advertising, profiling, or data brokerage.
Submit your basics to start tracking.
Today
Day 13 of your cycle.
Your next period is estimated in 16 days.
Fertile window: likely active or ending soon.
Fertility predictions are estimates and should not be used as the only method of contraception.
13cycle day
Mood check-in
No mood logged yet.
Symptoms summary
No symptoms logged yet.
Your cycle data belongs to you.
MonthCycle does not sell, share, or use your reproductive health information for advertising, profiling, or data brokerage.