Period & Cycle Tracker: Vela

Vela is a private period tracker and cycle tracker that keeps your health data on your device. No account required. No cloud uploads. No data sharing. Your menstrual cycle information is yours alone. PRIVATE PERIOD TRACKING, BY DESIGN Every period tracker promises privacy. Vela delivers it with zero-knowledge architecture. Your cycle data stays on your phone, protected by iOS Data Protection. If you choose cloud backup, your data is end-to-end encrypted before it leaves your device. Even Vela's servers cannot read your health information. No sign-up required. No email. No phone number. Open the app and start tracking your period immediately. ACCURATE CYCLE AND OVULATION PREDICTIONS Vela's prediction engine uses clinically-informed algorithms that combine established menstrual cycle prediction methods with weighted moving averages. Your period predictions, ovulation window, fertile days, and luteal phase calculations become more accurate the longer you track. A cycle tracker that learns your unique patterns. SIMPLE PERIOD LOGGING Start with one tap to log your period. Add flow intensity, symptoms, mood, and energy tracking when you are ready. Vela begins as a simple period cal