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Birthday Adapter

Name: Birthday Adapter
Author: Matthias Heinisch & Dominik Schürmann

Matthias Heinisch & Dominik Schürmann

See birthdays and other events from your contacts in your calendar.

Calendar
FOSS
Free
No ads
No tracking

Android only

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What are these stores? F-Droid, GitHub, Zapstore

Birthday Adapter brings birthdays, anniversaries, and other events from your contacts to your Android calendars. Unlike other apps, it creates a dedicated calendar within your system, so you can view all your contact dates alongside your daily schedule in your favorite calendar app.

Developer: Matthias Heinisch & Dominik Schürmann
Source code: github.com/SufficientlySecure/birthday-calendar
Added to AppCosmos: 9 October 2026
License: GPL-3.0-only