Barcode Alarm Clock - Alarm clock that won't stop ringing until you scan a barcode
Galarm - Social alarm clock and reminders
Alarmy - World's most annoying alarm app
Toonie Alarm - Want to wake up on time and make your day brighter? Fancy getting rewards waking up?
Alarm Clock Xtreme - Alarm Clock Xtreme: Alarm, Stopwatch, Timer (Free) is the most popular alarm clock app created and published by AVG Labs for both iOS and Android devices.
Wake N Shake Alarm Clock - Wake up with a jolt of energy ready to get shit done.