Calessa automatically syncs your menstrual cycle phases to Google Calendar so you can plan your life with your body, not against it. Stop switching between apps — Calessa brings period tracking directly into Google Calendar with a one-time 2-minute setup.
Connect your Google Calendar, answer 3 quick questions about your cycle, and Calessa automatically adds your cycle phases as calendar events — 3 months of predictions, updated automatically. We use Google Sign-In for secure authentication and only request calendar access to add your cycle phase events. You can revoke access anytime in your Google Account settings.
We use Google Sign-In for secure authentication and only request calendar access to add your cycle phase events. We never sell your data or share it with advertisers. Full details in our Privacy Policy.