Period Cycle Tracker Lunation

Your cycle, predicted by AI — up to 12 months ahead. Lunation uses machine learning trained on your unique patterns to forecast periods, ovulation, and fertile windows with increasing accuracy. Track 75+ symptoms, moods, and activities to unlock deeper insights into your body. ◆ AI-POWERED PREDICTIONS Log your cycle and Lunation learns your rhythm. Get period and ovulation forecasts for up to 12 months — free for 3 months, then with Lunation Gold. ◆ OVULATION & FERTILITY Identify your fertile window with precision. Conception Mode highlights your best days and tracks key fertility signals. ◆ PREGNANCY MODE Switch to week-by-week pregnancy tracking with fetal development milestones, size comparisons, and personalized guidance. ◆ 75+ SYMPTOMS & ACTIVITIES Track cramps, mood, energy, sleep, skin, cravings, and dozens more. See patterns emerge across cycles with visual analytics. ◆ SMART REMINDERS Set custom reminders for upcoming periods, pills, or fertile days. Notifications are discreet — only you know what they mean. ◆ CYCLE ANALYTICS Visualize trends across cycles. Understand your average cycle length, luteal phase, and how symptoms correlate with your cycle phases. ◆ AI CHAT ASSISTANT Ask questions about your cycle, symptoms, or reproductive health and get personalized, instant guidance. Trusted by women in 18 languages worldwide. Download Lunation and let AI do the guessing — so you don't have to. Privacy Policy: https://lunation.me/privacy Terms of Use: https://lunation.me/terms