Anyone who wants to make sure that they do not miss the next big party should take a look at Countdown by timeanddate.com. This free app allows users to mark the event of their choice and it will count down the days, hours and minutes until the big event. Countdown by timeanddate.com also comes packed with features such as the ability to upload photographs of events, lots of cool themes and maps. However, people who wish to share their photographs will be charged, which can take the edge of the excitement a little.