I've used a countdown widget in OS X for ages, but recently wanted a program which could keep track of several events to count down to, and something specifically for my iPad, not just for my Mac.
I found a universal app simply called Countdown, and figured that for $1 I'd give it a try. It turned out to be exactly what I was looking for, plus a little more.
Interface
The concept is fairly simple, and so is the interface. You are asked to name the event and provide a date (time is optional). That's all you have to tell it, but there's more available. You can also choose the "Units" of measurement. This was one of the crucial features f