This is a great app for the iPhone, it is called Watch Me Change and it does just that because the user takes an image every day and the app will produce a time lapse video from the first image to the last, it is cool and the user can share it with their friends too. It would work well with a growing beard!
These are the features and details for the Watch Me Change app;
The Watch Me Change Apps are designed to create a time lapse videos that will be shared, treasured, and talked about. They are created by taking a simple photo with your mobile device every day. After a week, month, or even a year, you will have an amazing video like no other. This could be watching a woman’s belly grow with her unborn child inside her, a 5 year old turning 6, the growth of a beard, or watch the pounds fall off during a diet. Start creating your video today!
Source [Incredible Things]