Screenshots

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Description

Clock is a privacy-conscious open-source clock, based on AOSP. Does not use internet permission, and thus is 100% offline. Features:

  • Set alarms to a specific date;
  • Set alarms to a specific time zone;
  • To dismiss or snooze alarms:
    • Support for flip and shake actions;
    • Use the power button or volume buttons;
    • Solve math problems.
  • For some Snapdragon devices only, the alarm is triggered when they are switched off
    • Unfortunately, this feature may not work on some devices despite the presence of the "com.qualcomm.qti.poweroffalarm" system app.
  • Advanced alarm sorting;
  • Swipe to delete an alarm;
  • Duplicate alarms;
  • Customizable alarm title;
  • Customizable ringtone;
  • Ability to play ringtones randomly;
  • Light, dark or system theme;
  • AMOLED mode for dark theme;
  • Customizable interface;
  • Digital or analog clock style;
  • Display home time when traveling;
  • Display the time in many cities around the world;
  • Timer and stopwatch included;
  • Support for live update notifications for timers and the stopwatch;
  • Possibility of sharing your stopwatch with your contacts;
  • Customizable screensaver;
  • Modern widgets;
  • Customizable widgets;
  • Support for tiles in quick settings (for Android 7+);
  • Backup and restore application data (except custom ringtones);
  • Material design;
  • Dynamic colors for Android 12+;

What’s new (2.34)

Improve alarm reliability and add major features.

All other fixes and improvements are detailed here:
https://github.com/BlackyHawky/Clock/releases/tag/2.34

Versions

Version Date Size Requires Android Download
2.34 current
631e4bbfd28225da…
2026-10-22 6.9 MB API 23
2.33
12d446e9fd32aa63…
2026-09-27 6.9 MB API 23
2.32
64d6152ff3a5c84e…
2026-09-17 6.8 MB API 23

Permissions

What the app asks the system for. Android only grants sensitive access after you confirm it.

  • Run at startupStart automatically after the device is switched on.
  • Prevent sleepingKeep the device from going to sleep.
  • VibrationControl the vibration alert.
  • Foreground serviceKeep running in the background, visible in the status bar.
  • FOREGROUND_SERVICE_SPECIAL_USE
  • USE_FULL_SCREEN_INTENT
  • permission.POWER_OFF_ALARM
  • Exact alarmsTrigger actions at a precise time.
Show 8 more permissions
  • USE_EXACT_ALARM
  • TURN_SCREEN_ON
  • Audio settingsAdjust volume and audio output.
  • NotificationsShow notifications.
  • POST_PROMOTED_NOTIFICATIONS
  • REQUEST_IGNORE_BATTERY_OPTIMIZATIONS
  • FLASHLIGHT
  • deskclock.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

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