Countdown is a free lifestyle app developed by Roman Holomek for Android users. The app is designed to predict the exact time of your death, which is an interesting and creepy concept.

The app has a simple interface with a countdown timer that starts as soon as you enter your date of birth. The app calculates the remaining time of your life based on your age and life expectancy. It also provides some interesting facts about your age and the time left in your life. The app is easy to use and navigate, making it accessible for everyone.

Overall, Countdown is an interesting app that can be both entertaining and thought-provoking. However, it is important to remember that the app's predictions are not based on any medical or scientific evidence and should not be taken seriously. It is just for fun and should be treated as such.