Birthday Countdown is a free app developed by Mariano Rezk that helps you keep track of all the important birthdays in your life. With this app, you will never forget a birthday again!

The app is super easy to use and comes with many features. You can create as many events as you'd like and import birthdays from your calendar or contacts. You can also share your countdowns with friends and family. Moreover, you can select an emoji to identify each birthday. The app also has a dark mode feature for those who prefer a different look.

One of the premium features of the app is the ability to check your birthdays on the lock screen or home screen with their widget. You can also check upcoming birthdays on your Apple Watch. Additionally, you can export your birthdays through an ICS file. Another premium feature is the widget to view your most important events.

Lastly, the app provides notifications at the time of your choosing on each birthday day. You can also get notified 1 day or 1 week before each birthday.

Overall, Birthday Countdown is a great app for anyone who wants to keep track of important birthdays and never forget them again.