An easy way to dismiss all Alarm Clock notifications is to go into settings->Applications->Manage applications, then select AlarmClock and click the "Force stop" button. Then start AlarmClock on your device to restart AlarmClock for all you alarm(s).
You can use the "Hourly repeat time" of the alarm for this purpose. For example, set the "Hourly repeat time" to "00:05" (every 5 minutes), then the alarm will go off every 5 minutes, after it first went off at the programmed time.
This is absolutely not true! For users who may be put off by this claim, we have now published the app in Amazon's appstore. Like Apple's iPhone appstore, Amazon test all the apps they publish in its appstore to verify the functionality. More important, it made sure the apps don't contain virus, before putting them in their appstore.
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