Stardust is a free period tracker and cycle tracker that helps you understand your period and every phase of your menstrual cycle. We blend science, ancient wisdom, astronomy, and AI to make period tracking feel simple, intuitive, and meaningful. Track your period, log symptoms, follow hormonal changes, discover how your cycle flows day by day, and sync with the moon. Whether you’re predicting your next period, spotting PMS patterns, or deepening your relationship with your menstrual cycle, Stardust is the cycle tracker that turns daily period tracking into real self-understanding. Beyond period tracking, Stardust also supports ovulation prediction, fertility awareness, and pregnancy tracking. Use this cycle tracker to find fertile windows, plan or avoid pregnancy, track pregnancy symptoms, and explore how your cycle and hormones sync with the moon. From ovulation forecasts to Pregnancy Mode, Stardust goes beyond a standard period tracker to support your full hormonal journey. ...