Happy Fertility

An application to simplify cycle monitoring with natural methods

In just a few clicks, fill in your observations and notes for the day, view your cycle calendar in different forms, share your cycle live with your partner, add reminders so you don't forget, customize your colors, your keywords, and your page reception.

In short: A 100% Free app - Your cycle, your app 💪!

Adapted to all methods of observation and monitoring of natural methods, the app guarantees the confidentiality of your data, stored only on your phone 🔒.

Sharing with your +1: practical, your two applications are synchronized, both can modify the shared calendar.

✅ Add your observations in the blink of an eye 😎
✅ Compatible with the three most used methods
✅ A calendar shared live with your +1
✅ Export your Excel table, for healthcare professionals
✅ An app that respects your privacy: My cycle, my life!
✅ Reminders so you don’t forget to observe yourself

Our commitment: your data remains exclusively on your phone. Shared data is encrypted, then stored online only for the duration of the transfer and deleted afterwards.
No information is stored on the Internet, and we do not perform statistics or analyses. Your privacy remains in your hands.


“I was more of a pencil-and-paper type, until this application that I fill out in 5 seconds in the evening! I no longer forget to observe myself thanks to my daily reminder, I fill in with the key words that speak to me. I can use my husband's phone when I don't have my own, and I know our data belongs to us! Enough to follow your fertility in complete peace of mind, thank you »
Eleonore