Period & ovulation calendar
Estimate next period, fertile days, and ovulation from your cycle settings and history; predictions sharpen after three completed cycles.
Calm period & ovulation tracker with BBT, insights, and on-device privacy.

EveSync Period Tracker is a Health · The Sync Suite app from Knox Studios (Google Play developer Knox_Studios). Calm period & ovulation tracker with BBT, insights, and on-device privacy.
EveSync is a women’s-health cycle app from Knox Studios. It combines a period tracker, ovulation calendar, BBT logging, pregnancy-week notes, and optional pill-pack tracking in a calm, private interface.
Estimate next period, fertile days, and ovulation from your cycle settings and history; predictions sharpen after three completed cycles.
Log waking basal body temperature with optional confound tags and watch the temperature chart over recent days.
Pregnancy mode shows week-based educational notes from your LMP or due date — clinician-first, not a substitute for care.
Symptom patterns, a searchable Learn library, and cycle logs designed to stay on-device. Premium unlocks deeper Insights, exports, and pill reminder notifications.
Listing and publisher details for search engines and store discovery.
com.evesync.appEveSync is a women’s-health cycle app from Knox Studios. It combines a period tracker, ovulation calendar, BBT logging, pregnancy-week notes, and optional pill-pack tracking in a calm, private interface.
Both. EveSync estimates next period, fertile days, and ovulation from your cycle settings and logged history. Fertile-window estimates are not contraception.
Yes. Pregnancy mode shows week-based educational notes from your last menstrual period or due date. Your clinician’s guidance always comes first.
Yes. The Body tab stores waking BBT with optional confound tags (poor sleep, alcohol, illness, travel) and a chart over recent days.
You can log a pill pack for free. Push reminder notifications are part of EveSync Premium (or a temporary rewarded peek where available).
Cycle and symptom logs are designed to stay on this device. This release does not sync wearables or Health Connect.
Core tracking is free with ads on native builds. EveSync Premium removes ads and unlocks Insights depth, Learn, exports, and pill reminder notifications.
Available now on Google Play from developer Knox_Studios. Built and maintained by Knox Studios.