ReminderU is the easiest way to remind you of your plans.
It can use intuitively by a simple design.

*Main features
-Alarm sound
Silent & 5 types of sounds(1 sec - 30 secs)

-Repeat
daily, weekly, monthly and yearly

-Snooze
1 minute, 5 minutes, 10 minutes

-Design setting
You can set the color theme. (green, blue, yellow, pink and purple)
You can set sort order of the list.