SMART Address Book is a free, easy-to-use app to create and manage address books for your business or personal life. You can create lists of contacts to keep track of who you’re dealing with and make the process of finding the right person quicker and easier. This app is useful for making sure that you’re always in touch with the right people.

You can add all kinds of information to your contacts such as their name, address, phone number, email address, birth date, etc. You can add or remove contacts and lists as you see fit. You can even add photos to your contacts if you’d like. 

Once you've finished adding the information you want to your address book, you can use the "save" option to save it for future reference. You can also use the "share" option to share the address book with other people.