Birthday Countdown is an Android app developed by MacKenzie Software (37 Portland Road, Kilmarnock, Ayrshire, KA1 2DJ). Others apps created by MacKenzie Software are: Holiday Countdown, Wedding Notebook.

Birthday Countdown first became available on 08 Jan 2013. It is estimated that Birthday Countdown has been downloaded between 100000 and 500000 times from the Play Store.

Birthday Countdown 5.1 requires the following permissions:

Allows applications to access information about networks.

Allows applications to open network sockets.

Allows an application to manage access to documents, usually as part of a document picker.

Allows an application to read from external storage.

Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.

Allows an application to write to external storage.