Originally Posted by TheyCallMeBT
I wonder if the OP is on Verizon and the rest of you aren't? I'd like to know.
I've never really thought of third party alarm apps as being 100% reliable. Not that I've ever tried one, just didn't want to risk it.
On my Rooted, Unlocked and debloated S3 I use https://play.google.com/store/apps/details?id=com.vp.alarmClockPlusDock
, it has NEVER let me down.