Works pretty good for me...
I bought this specific alarm clock over the others because it had an auto-off feature advertised in the description, the exact thing I was looking for. Im not sure if other better alarm clock apps have that as well, but this one meets my needs. However, even when I fix the draining battery problem by hooking it up overnight, it does tend to drain a lot of RAM as well. But all you need to do is just reboot your phone or use a memory freeing app and youll be fine. I love the amount if features for each alarm. Ill be using this a lot for sure!
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12,24 Alarm Clock Sleep Music