Apps

Tampon Minder- lets you know when to change your tampon to avoid Toxic Shock Syndrome.

Clue- The app uses this information to predict your future periods and ovulation days. After you enter a few months of data, it tweaks these estimates based on your actual cycle lengths.

Period Tracker- calculates the date your period should arrive based on your last 3 cycles.

Runner up- Tap the home screen to record your period's beginning and end, or go to calendar view and tap a date to manually enter previous periods

Virtual Nurse - Birth Control- Ask a question, and voice-activated Nurse Alice will respond with follow-up inquiries to help solve your issue.