Veil Period & Cycle Tracker

Veil is a privacy-first period and cycle tracker. Your health data never leaves your device - no accounts, no servers, no behavioral tracking. Just clean, private cycle tracking that works.

TRACK YOUR CYCLE
- Periods, flow intensity, symptoms, mood, and notes
- Energy, sleep, weight, temperature, water
- Contraception tracking: pill (with adherence scoring), ring, hormonal IUD, copper IUD, and implant - log insertions, string checks, and removals
- Cervical mucus charting (5-state Billings/Sensiplan) and BBT
- Tag entries with custom labels - quick-log from the dashboard

SMART PREDICTIONS
- Next period, ovulation, and fertile window forecasts
- Predictions improve as you log more cycles
- Contraception Method-aware
- Cycle day and phase shown at a glance

BEAUTIFUL CALENDAR
- Month and year views with color-coded cycle phases
- Inline editing - toggle period days directly on the calendar
- Day detail sheet shows everything logged for any date

APPOINTMENTS & REMINDERS
- Pin doctor visits to your calendar with custom alerts
- Recurring reminders for pills, IUD checks, supplements, anything
- 3 active reminders free, 15 with Plus
- Notifications fire from the device, never from a server

DEEP INSIGHTS
- Cycle quality score and regularity analysis (computed over natural cycles when on hormonal contraception)
- PMDD severity score (DSM-5 weighted, ovulatory cycles only)
- Pill adherence headline (28-day rolling % and streak)
- Amenorrhea alerts with health guidance
- Observed-vs-predicted ovulation (BBT 3-over-6 + peak mucus)
- Notes timeline + day viewer

VEIL PLUS (OPTIONAL)
- Veil Assistant - private, on-device AI that answers from your own cycle data (no servers, no cloud)
- Pattern Mirror - symptom correlations by cycle phase
- Personalized symptom forecasts based on YOUR history
- Cycle History deep-dive with multi-cycle comparison
- Long-term trend charts
- Health Report PDF for your doctor (with contraception history section)
- Full-text search across notes, moods, symptoms, and contraception events
- Encrypted auto-backup
- Unlimited custom tags
- All future premium features

PRIVACY BY DESIGN
- All health data is stored locally on your device
- Encrypted backups (AES-256)
- No accounts, no email, no phone number required
- Biometric lock (Face ID / Touch ID) and PIN protection
- Discreet mode transforms the app into a generic utility
- Full data export anytime - your data belongs to you

AVAILABLE IN 9 LANGUAGES
English, German, Albanian, Spanish, Italian, French, Portuguese, Russian, and Turkish.

Subscription auto-renews until cancelled. Cancel anytime in Settings > Subscriptions. See our Terms of Use at https://veiltrack.app/terms and Privacy Policy at https://veiltrack.app/privacy.