instead of calendar app this can be used: https://f-droid.org/packages/com.minar.birday
this post was submitted on 23 Jun 2026
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There's nothing to host.
Create an iCal file and import it into your calendar application on your phone.
I use Nextcloud to host my calanders. With caldav (what nextcloud uses under the hood), reminders are handled by the client. I use Apple's Reminders app on my phone and Thunderbird on my laptop.
Nextcloud does have a built in calandering app, but I've not used it much. I think it can do email notifications of calander events.
There are a multitude of calendar apps, tho I know of none specifically for birthdays exclusively.
- Nextcloud AIO combined with Nextcloud Android app
- Radicale combined with DAVx⁵ Android app.
- Baikal combined with DAVx⁵ Android app
Those are the ones I know of that have an Android capable app. There may be others. Maybe others here will chime in with some options.
HomeAssistant has a calendar built in
Can likely rig it up to notify of events under whatever parameters you want via push notifications