Malarm

Malarm is a flexible, no-frills alarm scheduler for Android.

Features:

* One-time and date-specific alarms (e.g. "Rent due on the 15th")

* Repeat schedules: daily, weekdays, weekends, weekly (custom days), or monthly

* Snooze presets from 5 minutes to 8 hours, plus a configurable default snooze

* Full-screen alarm over the lock screen, with the sound of your choice or silent

* Alarms re-schedule to the correct local time when your time or timezone changes

* Export and import all alarms as a backup file

* Remove inactive alarms in one tap

* Built-in event log that shows what each alarm did

* Works completely offline — no ads, no tracking, no accounts

The app never sends data anywhere: it has no INTERNET permission at all. On newer Android versions it asks for the permissions needed to ring and wake the screen (notifications, full-screen alerts, and exact-alarm access). It is free and open source software, released under the MIT license.