Barcode Alarm Clock - Alarm clock that won't stop ringing until you scan a barcode
Clocker - Keep track of people in different time zones
Alarmy - World's most annoying alarm app
World Clock iOS 8 Widget - Check the time, anytime. Just pull down Notification Center.
Toonie Alarm - Want to wake up on time and make your day brighter? Fancy getting rewards waking up?
Dato - Better menu bar clock with calendar and time zones