Ask Different is a question and answer site for power users of Apple hardware and software. It's 100% free, no registration required.

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

If I set the iphone alarm clock with a ringtone, how long will the ringtone run if I do not stop it?

Will it run all the way until it runs out of battery and the phone shuts down?

share|improve this question
up vote 3 down vote accepted

I just tested this with iPhone 3GS iOS 5.1 and the alarm stopped after exactly 15 minutes.

share|improve this answer

Indefinitely, near as I can tell. I once had my phone go for over a half hour on an alarm.

share|improve this answer
a half hour and indefinitely is totally different. – Pacerier Jul 22 '11 at 14:29
Since the ringtone almost certainly isn't 20+ minutes, it's obviously looping the tone. No setting users can control last longer than 5 minutes, so I'd call 30m ~ indefinitely. It would be theoretically interesting to see if either of the low voltage alerts pause the audio, but I'll leave that for another day ;-) – bmike Jul 22 '11 at 14:39
@bmike is right. Since the phone is looping the same sound, 30 minutes might as well be indefinitely. There is a reason why I qualified my answer with "near as I can tell." – Philip Regan Jul 22 '11 at 14:48

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.