- Local JSON backup import and restore with merge conflict resolution.
- Secure PIN and biometric app lock with recent apps screen masking.
- Longitudinal cycle history and variability visualizer with STRAW swing detection.
- Clinician consultation summary report export in PDF and HTML formats.
- Privacy-safe local notification reminders (daily check-in, period window, late cycle).
- Biomarker tracking: basal body temperature (C/F), cervical fluid, and thermal shift chart.
- Contextual partner guidance and support requests in Duo with end-to-end encryption.
- Material You themed adaptive app icon.
