CycleSync brings menstrual cycle tracking right into your browser — so you can plan your days, understand your energy, and feel truly in sync.
No sign-up. No subscriptions. Just install and go — your data stays private on your device.
Add CycleSync to Chrome in one click. It appears instantly in your browser toolbar, ready whenever you need it.
Tell CycleSync when your last period started. That’s all it needs to begin predicting your cycle and tracking your phases.
See your current phase, log symptoms daily, and get personalised tips to make the most of every part of your cycle.
Thoughtfully designed to fit quietly into your day — one click from any tab.
Always know where you are in your cycle. CycleSync shows your current phase — Menstrual, Follicular, Ovulation, or Luteal — and your progress at a glance.
A clear visual calendar showing your period days, fertile window, and ovulation — colour-coded so you can plan ahead with confidence.
Quickly log mood, energy, flow, and more. The more you track, the more CycleSync learns about your personal patterns over time.
Phase-aware tips for nutrition, exercise, focus, and self-care — tailored to what your body actually needs right now.
CycleSync stores everything locally in your browser. Nothing is sent to a server, no account is required, and no one else can see your data. Your cycle is yours alone.
Join women who use CycleSync to understand their bodies and plan their lives with clarity — all from their browser.