The guys over at http://www.makeuseof.com/ have done a little mini review of paper free billing’s new website, really pleased that they too also agree that the interface is very easy to use, and that its a good tool to save a small business or one man band plenty of time and money!
Very simple menu and options. Interface is clean, tidy and easy to use. Many features are available which make it easier to manage invoices. Removes the hassle of managing physical paper.