Free Cycle Tracker — Period, Mood & Symptoms

Log periods, track daily mood and symptoms, and see your cycle on a calendar. Predicts your next period based on your history.

1

Log your period

Tap Start Period when it begins and End Period when it stops. The tracker calculates your cycle length automatically.

2

Track daily details

Log flow level, mood, symptoms (cramps, headache, fatigue, etc.), and notes for each day.

3

See your cycle

A calendar highlights period days and logged days. Stats show your average cycle length and estimated next period.

Benefits

Cycle predictions

After tracking 2+ cycles, the tracker estimates when your next period is likely to start. Based on your personal data.

Complete daily logging

Flow, mood, 8 common symptoms, and notes — capture everything in one place. Restore today's log if you come back later.

100% private

Your cycle data never leaves your browser. No server, no account, no one else sees this information. You are in complete control.

Download This Tracker as a Template

Prefer pen and paper, or want to use this tracker in your favorite journaling app? Download the template.

Download Template

Available for Obsidian, Notion, Apple Notes, and 10+ other apps.

Understand your cycle with emotional insights from Pensio.

Inside Pensio, journal throughout your cycle and the AI identifies patterns in mood, energy, and creativity — helping you work with your body, not against it.

Start Free See All Features

Frequently Asked Questions

How accurate are the cycle predictions?
Predictions are based on your average cycle length from past data. They improve as you log more cycles. Natural variation is normal — predictions are estimates, not guarantees.
What symptoms can I track?
Cramps, headache, bloating, fatigue, breast tenderness, back pain, nausea, and acne. Plus free-form notes for anything else.
Where is my data stored?
In your browser's localStorage. No data is sent to any server. If you clear your browser data, your cycle history will be erased.
How does cycle tracking connect to journaling?
Your cycle profoundly affects mood, energy, and creativity. Inside Pensio, journal through your cycle and the AI reveals emotional patterns across phases — helping you understand yourself better.

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