Ovulation Calculator

Take control of your menstrual cycle with simple and accurate ovulation prediction, fertile window tracking, and period estimates.

This easy-to-use fertility tracker helps you identify your most fertile days, predict ovulation, and understand your cycle without complicated tools or unnecessary features. Simply enter the start date of your last period and your average cycle length to receive instant calculations.

Designed for women who want a fast and private experience, the app works completely offline and does not require registration, login, or internet access.

Track important cycle information including ovulation date, fertile window, next period prediction, and ovulation countdown. All calculations update instantly when your cycle information changes, making it easy to stay informed throughout the month.

The app includes:

Ovulation tracker for cycle monitoring

Ovulation prediction based on cycle length

Fertile window calculator

Fertility tracker for conception planning

Period tracker and menstrual calendar

Menstrual cycle tracker for regular and irregular cycles

Next period prediction

Daily fertility reminders

Cycle countdown and calendar view

Private offline storage

Whether you are trying to conceive, planning ahead, or simply monitoring your reproductive health, this fertility calendar provides clear insights into upcoming fertile days and ovulation timing.

The clean interface focuses on the information that matters most. View your predicted ovulation day, fertile period, and next cycle date at a glance. Soft colors and a simple layout help make cycle tracking quick and stress-free.

Key benefits include:

Fast ovulation calculations

Accurate fertile day estimates

Simple menstrual cycle management

Support for irregular cycles

Private and secure tracking

No accounts or subscriptions required

Lightweight and battery efficient

Instant results and updates

This ovulation tracker and fertility calculator helps you better understand your cycle by providing clear fertility predictions and menstrual calendar estimates based on your personal cycle information.

Use the fertility tracker to monitor fertile days, estimate ovulation, follow cycle patterns, and keep track of upcoming periods with confidence. Whether you need an ovulation calendar, fertility calendar, period tracker, conception tracker, or menstrual cycle tracker, this app provides a simple and focused solution for everyday use.

Recent changes:
Initial release with ovulation prediction, fertile window calculation, cycle tracking, and optional reminders.