Period Tracker: Private Log

Period Tracker is a calm, private way to understand your cycle — built so your most personal data never leaves your phone.

PRIVATE BY DESIGN
• Everything you log is encrypted on your device.
• No account. No sign-up. No cloud.
• We can't read your data — not even us.
• Delete everything in one tap, anytime.

TRACK IN SECONDS
• Log your period, flow, symptoms, and moods — your way.
• Three logging styles: quick, step-by-step, or all-at-once.
• A clean calendar shows your period, fertile window and ovulation.

PREDICTIONS YOU CAN UNDERSTAND
• See your next period with an honest confidence range — never false certainty.
• Tap "why" to see exactly how a prediction was made.
• Built to handle irregular cycles, PCOS and perimenopause without pretending every cycle is 28 days.

INSIGHTS, ON YOUR DEVICE
• Average cycle and period length, variability, and your recent cycles.
• Spot your most common symptoms.
• All computed locally — nothing is uploaded.

GENTLE REMINDERS
• Optional, on-device reminders before your period or to log your day.
• Discreet by default — no cycle details on your lock screen.

PEACE OF MIND
• Optional Face ID / Touch ID app lock.
• No ads, ever.

Period Tracker is for tracking and education. It is not a medical device and does not provide medical advice or contraception guidance.