Splash: Period & Cycle Tracker

Splash is a free period, ovulation and pregnancy tracker that's private by default. Your cycle is saved on your phone, with no account needed. Log in seconds, see your next period and fertile window as ranges, and check in from your wrist or Home Screen. A baby shark called Splash keeps you company, with gentle heads-ups that can be worded discreetly. KNOW WHAT'S COMING • Period and fertile window predictions shown as ranges, learned from your own cycle • Every ovulation estimate says how sure it is, and what it is based on • An irregular-cycle mode that won't nag you with countdowns LOG IN SECONDS • Flow, symptoms with severity, mood, sex, discharge, temperature, tests, pills and more • Your own custom symptoms, moods and trackers • Photo diary for test strips, bump weeks and journal moments TRYING TO CONCEIVE • Ovulation worked out from your signs: LH tests, cervical mucus, basal temperature, wrist temperature and PdG tests • A dashboard with best days to try, days past ovulation and a sensible test day • IVF, frozen transfer and IUI: medicines, appointments and the wait to test day PREGNANCY, WEEK BY WEEK • Your due date from your last period, a scan date or an IVF or IUI transfer • Baby's size each week as a sea creature (or fruit), a note for you and a tip for your partner • Your UK pregnancy journey: 21 steps from booking to birth preferences, including scans, vaccines, Healthy Start and MATB1 (based on NHS guidance). • Baby moving less? One tap to call your maternity unit, NHS 111 or 999 • Contraction timer, kick counter, appointments, hospital bag checklist and a maternity leave helper • Postpartum recovery notes, and a gentle path if a pregnancy ends ON YOUR WRIST AND LOCK SCREEN • Apple Watch app: cycle ring, quick log, start or end your period and Breathe with Splash • Home Screen widgets: month calendar, quick log, countdown, cycle ring, insights, pregnancy, daily pill and a discreet shell • Lock Screen widgets, complications, a Smart Stack card and Control Centre buttons • Live Activities on your Lock Screen and Dynamic Island: a pain-relief dose countdown, your mini-pill window with a Taken button, and a contraction timer. All optional and worded discreetly • Reminder buttons: mark your pill Taken or snooze it straight from the notification • Siri and Shortcuts: log a period, flow or symptom hands-free WORKS WITH APPLE HEALTH • Save periods, symptoms, temperature and test results to Health • Bring in wrist temperature, resting heart rate and HRV from your Apple Watch PRIVATE BY DEFAULT • Your cycle is saved on your phone. No account needed. • Optional backup and partner sharing are end-to-end encrypted before they leave your phone, so we can't read them • We don't sell your data • Face ID or PIN lock, discreet mode, and a quick wipe if you ever need it SHARE WITH SOMEONE YOU TRUST Partner sharing shows them only what you choose, and they can send you an "On it" when you need a hot water bottle. FOR EVERY STAGE Perimenopause, PCOS and endometriosis tracking, gentle stretches, pelvic floor sessions, 21 short courses and hundreds of articles checked against NHS, NICE and FSRH guidance, a yearly cycle recap, and a clear report to share with your doctor or midwife. Bring your history from other period trackers. Splash is free to download. Health content is information, not medical advice: always follow your midwife or doctor. Splash isn't contraception: fertile-window estimates can be wrong, so use contraception if you're avoiding pregnancy. Splash is not a medical device and can't diagnose. Splash isn't affiliated with the NHS.