Free Tracking Tools

All calculators and trackers run in your browser. No accounts, no subscriptions, no data collection. Your information never leaves your device.

Predict your next ovulation date and fertile window based on your cycle history.

Log daily symptoms, mood, and energy to spot patterns across your cycle.

Record period dates and cycle lengths to see your personal trends over time.

Track basal body temperature with automatic shift detection and charting.

Calculate your exact fertile days for better timing and planning.

Find the earliest day to test based on your ovulation date and avoid false negatives.

Estimate when implantation may occur and when early pregnancy symptoms could start.

Latest Articles

I tracked my diet alongside my cycle for four months. Three foods showed a clear correlation with shorter, less painful periods.

Every symptom matched. Every test was negative. Here's what I learned about the gap between hope and biology.

A temperature shift, a fallback rise, a triphasic pattern — here's what each pattern actually means on a BBT chart.

If I could go back to day one of tracking, I'd tell myself these five things. It would've saved me months of confusion and false alarms.

I stared at the test strip for five minutes. Was that a line? A dark line? Here's what I learned about reading OPKs correctly.

Period start dates only tell half the story. Here's why I started logging cervical mucus, mood, energy, and BBT every single day.