Track.Predict.Understand.
AI-powered period tracking that learns YOUR patterns โ not 28-day math. Evidence-based health content reviewed by real doctors.

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Your AI cycle companion โ get instant answers about periods, fertility, symptoms, and health.
Cyra
Online ยท I learn from YOUR patterns
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Evidence-based answers with citations you can trust
Why Cyra Is Different
Most period apps assume a 28-day cycle. Only 13% of women actually have one. Cyra uses machine learning trained on real cycle data.
Next period prediction:
๐ February 14
Assumes fixed 28-day cycle. Ignores your body.
28
Fixed days assumed
13%
Actually have 28-day cycles
Next period prediction:
๐ง February 17
Learns your 31-day pattern. Adapts to stress, sleep, lifestyle.
94%
Prediction accuracy
YOUR
Pattern, not a textbook
3 days
more accurate than calendar methods
2.1 days more accurate than calendar methods
YOUR
unique pattern
Adapts to YOUR cycle โ not a textbook average
80%+
irregular cycles supported
Works for irregular cycles that calendar apps can't handle
Understand Every Phase of Your Cycle
Your body changes throughout your cycle. Tap a phase to learn what to expect, what to eat, how to move, and how to feel your best.
Menstrual Phase
Days 1โ5
Menstrual Phase
Days 1โ5
Symptoms
Nutrition
Iron-rich foods: spinach, lentils, dark chocolate
Exercise
Light walks, gentle yoga, stretching
Mood
Rest & reflection โ honor your body's need for recovery
Use a heating pad โ proven as effective as ibuprofen

Built for Real Women, Everywhere
Whether you're 12 or 52. Whether your cycles are 21 days or 40. Whether you track on paper or have never tracked at all. Cyra was built for you โ not the textbook version of you.
Every Language
English, เคนเคฟเคจเฅเคฆเฅ, Franรงais, Espaรฑol, Portuguรชs, ุงูุนุฑุจูุฉ โ health answers in YOUR language
Fully Accessible
Fingerprint & Face ID login. Voice AI chat โ no typing needed. Screen reader compatible
Your Privacy, Always
100% offline. Data never leaves your phone. No account required. No tracking. Ever.
Real AI, Not Math
Machine learning that adapts to YOUR irregular patterns โ not 28-day calendar guessing
Your Health. Your Language. Your Phone.
No cloud needed. No data harvesting. Just intelligent period tracking that respects your privacy and speaks your language.
For women, by women