Lail: Period Tracker Fertility

Tired of handing over your most personal data just to know when your period's coming?

Lail is the private period tracker that puts you first. No account. No login. No cloud. Everything stays on your phone. Period.

BUILT FOR EVERY STAGE OF WOMANHOOD
Whether you're tracking your first period, trying for a baby, avoiding pregnancy, managing endometriosis symptoms, or noticing early signs of perimenopause and menopause, Lail adapts to you.

• Smart period & cycle predictions that get sharper the more you log
• Ovulation & fertile window calculator for conception planning and TTC
• Pregnancy mode with high-chance-of-pregnancy alerts
• Daily log for mood, symptoms, sleep, energy, weight and basal body temp (BBT)
• Cycle-synced Insights for each phase - follicular, ovulation, luteal, menstrual
• Food suggestions, workouts, productivity and self-care tips tuned to today
• Smart Analytics + Cycle Trend charts with 6-cycle history
• One-tap PDF report to share with your doctor or OB-GYN

YOUR BODY, DECODED DAILY
Day 17 and ovulating? Lail tells you what to eat, how to move, and why you feel the way you do. From calming PMS cravings to boosting energy for that big presentation, get real-life guidance - not generic horoscopes.

PRIVATE BY DESIGN, NOT BY PROMISE
Unlike big apps that sync, sell, and store, Lail works fully offline. No email. No ads targeting your fertility. No data breaches. Just body literacy in your pocket, designed with women's health experts.

Perfect for fertility awareness, natural family planning, baby planning, irregular cycles, and cycle syncing your life.

Download Lail today - know your cycle without compromising your privacy.

Recent changes:
• Fresh, clean, and simplified home screen design
• Smoother and more intuitive navigation
• Performance improvements and minor bug fixes