Track your period, ovulation, and fertile window using real biological signs — BBT, cervical mucus, LH, and symptoms — not guesswork. Baba Yaga is a private, science-based cycle and fertility tracker that empowers you to understand your body with clarity and confidence.

Inspired by the Slavic wise woman, Baba Yaga blends modern hormone science with ancient menstrual wisdom to reconnect you with your body’s natural rhythm. It’s a feminist period and fertility app designed to replace shame with knowledge, intuition, and self-trust.

Effortlessly track your period, ovulation, and cycle patterns. Baba Yaga helps reveal your unique hormonal rhythm so you can predict fertile days, understand your mood and energy shifts, and live in sync with your cycle.

Daily Hormone Coaching
Each day, the app offers personalized guidance based on your hormonal phase — including affirmations, cycle tips, moon-synced insights, and supportive wisdom grounded in both science and tradition.

Your Privacy Comes First
Built in Europe by a women-led team, Baba Yaga is fully GDPR-compliant and puts your privacy at the center. Your data stays private — always.