Period Tracker and Calendar is a comprehensive menstrual tracking application designed specifically for women's health management. This app allows users to monitor their periods, cycles, ovulation, and fertile days with remarkable accuracy. The intuitive calendar interface provides clear visualization of non-fertile, fertile, ovulation, and expected period days, making it easier than ever to stay informed about your menstrual health.

Beyond basic cycle tracking, the app offers advanced features such as weight and temperature monitoring, mood tracking, and detailed logging of symptoms and blood flow. Users can set discreet reminders for upcoming periods, ovulation, and fertility windows, ensuring they are always prepared. The app also includes a unique perimenopause mode that helps track symptoms like hot flashes and night sweats, providing personalized insights during this important life stage.

The application is designed with privacy in mind, allowing users to password-protect their data. With easy backup and restore functionality, your information is safe even when switching devices. Whether you're focused on conception, birth control, or simply maintaining regularity in your cycle, Period Tracker and Calendar provides an elegant solution that adapts to your personal needs.

One of the standout features of Period Tracker and Calendar is its highly customizable nature. The app allows users to adjust various settings such as period prediction intervals, luteal phase length, and even the start day of the week. This level of customization ensures that the app can adapt to each user's unique cycle patterns. Additionally, the daily log feature enables detailed tracking of multiple health parameters including flow intensity, symptoms, moods, and medication usage.

The application excels in its ability to provide accurate predictions based on historical cycle data. Its sophisticated algorithm learns from past cycles to forecast future periods, ovulation days, and fertility windows with increasing precision over time. The inclusion of a perimenopause mode demonstrates the developer's commitment to serving women at all stages of their reproductive lives. This feature set includes hormone tracking and symptom monitoring, offering valuable insights during the transition to menopause.

Security and convenience are prioritized through several key features. The app offers PIN code protection to safeguard sensitive information, while seamless backup and restore functionality ensures data integrity across devices. Users can choose from different measurement units and reset their tracker data whenever needed. These thoughtful design elements combine to create a medical application that is both powerful and user-friendly, making it an essential tool for managing women's health.