If you're someone who loves celebrating birthdays, then you'll definitely love the Birthday Countdown app. It's a free app developed by MacKenzie Software that's available for Android devices. With this app, you can count down the days, hours, minutes, and seconds until your special day!

One of the best things about this app is the ability to customize the countdown by setting your own image in the background. You can also change the text color and size to make it look the way you want it to. The app has over 250,000 downloads, which is a testament to how useful it is. With the latest update, version 4.0, you can now manage multiple birthdays at once. This means you can countdown to all your friends and family member's birthdays, and customize each one with their image, picture, or selfie and change the text appearance, colour, and size. The app has been updated to fix an issue with new versions of Android, Android 5 Lollipop and newer.

Overall, Birthday Countdown is an excellent app that's perfect for anyone who loves celebrating birthdays. It's easy to use and customize, and it's free. Download it now and start counting down to your next birthday!