Smarter Predictions Over Time
Estri Assist learns from your unique cycle patterns. The more you track, the more accurate your predictions become, up to 95% accuracy for regular cycles.
Life, nutrition, sleep, workouts, hydration, mood Sleep, nutrition, workouts and your cycle. All connected in one place.

10K+ Users
95% Accuracy
6 Languages

Real wellbeing isn't just 5 days a month, it's every day of your life. Your Menstrual Cycle is a Biological Marker of General Health.

We start with what matters most: your menstrual cycles, then expand into a complete wellness experience that connects sleep, nutrition, workouts, hydration, mood, and lifestyle habits with your body's rhythms.
Estri Assist learns from your unique cycle patterns. The more you track, the more accurate your predictions become, up to 95% accuracy for regular cycles.
Curious about why you're feeling a certain way? Estri Assist can answer questions about periods, PMS, ovulation, and menstrual health.
Get health insights tailored to YOUR body and cycle patterns—not one-size-fits-all tips. Understand how your lifestyle affects your period.
Estri Assist analyzes your logged symptoms to identify patterns and correlations you might miss, helping you prepare for and manage recurring symptoms.
We believe your health data belongs to you—and only you. Our app is built with privacy at its core.
All your personal health data is stored securely on your device. We never upload to external servers.
Secure your app with PIN, fingerprint, or Face ID. Your private health information stays protected.
We don't sell, share, or monetize your health data. Your privacy is not for sale. Period.
Your cycle data lives on your phone, not in the cloud. You're in complete control.
Understand your cycle, predict your period, and take control of your health.
Log your period dates with a simple tap. Our app learns your patterns and provides increasingly accurate predictions.
See how sleep, hydration, nutrition, stress and workouts impact your cycle phases and symptoms.
Never be caught off guard. Get gentle reminders before your period starts and during your fertile window.
Get suggestions that integrate both your cycle phase and your everyday wellbeing needs.
Everything you need to know about tracking your period.
Download now and take control of your menstrual health with the most accurate, private, and intelligent period tracker.Take control of your health with our intelligent period tracker.
Available on iOS 14+ and Android 8+