3 free tools
Free health tools
Private, browser-based trackers that complement the calculators — no sign-up, and nothing you enter ever leaves your device.
Log
Cycle Symptom Log
Track your flow, mood, energy and cramps day by day — no formula, just a private record you own. No formula — a personal log stored only in your browser.
Open the logLog
Body Measurements Log
Keep a private, dated record of your weight, waist, hips and body fat % — and watch the trend lines, not single numbers. No formula — a personal log stored only in your browser.
Open the logLog
BBT & Fertility Awareness Log
Record waking temperature and cervical mucus to observe your cycle patterns — for awareness only, not contraception. No formula — a personal log stored only in your browser.
Open the log