
iPhoto Library Manager is a shareware program. Most of the features work without a registration code, but if you find iPhoto Library Manager useful and/or wish to use some of the advanced features only available to registered users, a license can be purchased for $19.95 https://store.fatcatsoftware.com. The features available to registered users are:
Unregistered copies of iPhoto Library Manager can be used on as many computers as you'd like. A license for iPhoto Library Manager is for a single user, but allows for use on two machines (e.g. a desktop and a laptop). If you intend have more than one user using the registration-only features of the program, you should purchase a registration code for each person who will be using the program. If you buy a code for multiple users, the number of users the registration covers will be shown in the registration window.