Fertility awareness
Basal body temperature chart, cervical mucus, ovulation (LH) tests and pregnancy tests.
Lunaya records your period, symptoms and moods, then estimates your next period and fertile window. Your health data stays encrypted on your device, with no account.
Want to try it first? Become a tester
Lunaya helps you understand your body without sharing your data anywhere.
Your next period is shown as a date range, including for irregular cycles.
Encrypted database, PIN lock, a duress PIN with a decoy profile and disguised app icons.
Haid, istihadhah and nifas estimates for the four schools, plus missed fasts and fidyah.
Calendar, daily logs and insights that are easy to understand.





Mochi is a cat who keeps you company through every phase of your cycle.
Support for every stage, from teens to menopause.
Basal body temperature chart, cervical mucus, ovulation (LH) tests and pregnancy tests.
Pregnancy week, due date, baby development, a kick counter and a contraction timer.
Follow hot flashes, night sweats, sleep and hormone therapy.
Reminders for the pill, injection, patch, ring, implant and IUD, with discreet notification text.
Password-protected backups to a folder you choose, including scheduled automatic backups.
Home screen widgets, a Quick Settings tile and Health Connect sync.
Every Lunaya feature is free. The free version shows ads, and your health data is never used for advertising.
Prices may differ depending on Google Play in your country.
Help us test it before the official release. It is free, and we read every piece of feedback.
Join the Widzu Testers Google Group with the Google account you use on the Play Store.
Open the Lunaya testing link, then tap "Become a tester".
After a few minutes, you can install the app from the Play Store as usual.
Still have a question? Send it through the Help menu in Lunaya.
No. Your health data stays on your device and is never sent to any server. The internet is only used for ads in the free version, purchases and Help messages.
No. Every estimate in Lunaya is an estimate only and is not a method of contraception or a medical device. See a doctor if your cycle pattern changes.
Lunaya estimates haid, istihadhah and nifas according to the Shafi'i, Hanafi, Maliki or Hanbali school. It is an estimation tool, not a fatwa.
Make a password-encrypted backup to a folder you choose, then restore it on your new phone.
Lunaya is in closed testing on Google Play. You can try it early by becoming a tester. An iPhone version is not available yet.