Try it, but not sure how useful

I realize its free, so no problems there. But the iPhone already comes with a built in timer, which will function when the screen is off. I can upload any ringtone I want for the iPhone timer reminder. Since Im meditating, Im not going to be staring at the screen, no matter what is displayed. So its just an app that already does something the iPhone can do itself.

thepacketmaster about Meditation Timer