A free and fully functional app for Android 2.1 and higher, Alarm Clock Extreme by Angle Labs also stores multiple alarm times for daily and weekend use, or for creating reminders during the day.

The Alarm Clock for Heavy Sleepers is a simple but effective app. You can set an unlimited number of alarms. Additionally, the app does countdown, recurring, and one-time alarms. It even supports ...

If it's especially difficult for you to wake up in the morning, you need an alarm clock app that goes beyond the usual offerings. These are my app picks for iPhones and Android phones.

This guide shows how to set an alarm using the Clock app that's preinstalled on many Android phones and other methods for setting an alarm quickly. You can follow this guide on any Android phone.