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Bluemoon

Name: Bluemoon
Author: Nils Grob

Nils Grob

Open source, privacy friendly menstruation tracking app. Your period, your data!

Health & fitness
FOSS
Free
No ads
No tracking

Android only

Get Bluemoon

Get it on Google Play

Get it with Aurora Store Get it on F-Droid Get it on Zapstore

What are these stores? Google Play, Aurora Store, F-Droid, Zapstore

Bluemoon: Your Personal Period Companion Embark on a seamless journey through your menstrual cycle with Bluemoon, the open-source Menstruation/Period Tracker that prioritizes your privacy Privacy First: Rest easy knowing that your most intimate data stays where it belongs—securely on your device. Bluemoon is designed with privacy features out of the box, ensuring that your personal information remains confidential.

Developer: Nils Grob
Website: www.nilsgrob.ch/work/bluemoon
Source code: gitlab.com/ngrob/bluemoon-android
Added to AppCosmos: 9 October 2026
License: GPL-3.0-or-later