No sound, seems like a known problem. – Five Minute Dungeon Timer Review

Downloaded a few times with no luck on the sound. Update. The ringer ( silencing switch) must be turned on to hear the sound. It seems silly that I have to turn my ringer on for this app to make noise but all my other apps will play music without it being flipped on. An update would probably be a good solution, especially because playing with the ringer is clearly not anyone’s first thought judging from the reviews.
Review by Hjieksasriaca on Five Minute Dungeon Timer.