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Cycle predictions now sharpen after three completed cycles, with clearer fertile-day and ovulation estimates. Insights patterns, Learn articles, BBT charting, and pill-pack logging are ready on Today, Calendar, Body, and More. Premium unlocks ad-free tracking, deeper Insights, exports, and pill reminder notifications.
Calm period & ovulation tracker with BBT, insights, and on-device privacy.
EveSync is a calm period tracker and ovulation calendar for people who want clear cycle estimates, symptom patterns, and pregnancy-week notes without a loud, judgmental feed. Log your period, fertile-window estimates, basal body temperature (BBT), mood, pain, energy, sleep quality, and more. Predictions start from your last period and typical cycle length, then sharpen after three completed cycles. EveSync is educational body literacy — not contraception and not a substitute for medical care. WHO IT'S FOR • Anyone who wants a quieter period tracker and cycle calendar • People trying to understand fertile days and ovulation timing • Anyone logging a pregnancy week by week with clinician-first education • Birth-control pill users who want an in-app pack log (push reminders with Premium) WHAT YOU CAN DO • See your cycle phase on Today with a week strip and one-tap Log • Mark period days, spotting, and multifactor check-ins on Calendar • Estimate next period, fertile days, and ovulation from your history • Log waking BBT with confound tags and watch the temperature chart • Follow pregnancy week notes from LMP or due date (education only) • Track a birth-control pill pack in-app; enable reminder notifications with Premium • Read Insights patterns and a searchable Learn library (Period, Fertility, Birth control, Pregnancy) • Themes, light/dark, and OLED comfort modes for late-night logging FREE VS PREMIUM Free forever: calendar, daily log, static-to-smart cycle predictions, BBT entry, and pill pack tracking (with ads on native). EveSync Premium: ad-free, Insights depth, Learn library, data exports, and pill reminder notifications. PRIVACY, SIMPLY Your cycle logs stay on your device. EveSync does not replace your clinician, lab work, or contraception counseling. Download EveSync to start logging your cycle today. Visit https://knoxstudios.net/apps/evesync.html for product details from Knox Studios. EveSync is not contraception. Predictions are estimates. Always follow your healthcare provider for diagnosis, fertility decisions, and pregnancy care.