Effortlessly split, record, report and resolve bills among multiple people and payers with Billulater Lite. What People are Saying. "I think the Billulater app is great. It was easy to use and got me the info I wanted which on past trips I had to use excel and calculate everything by hand. Being able to pick certain people for certain bills made the process so much easier as well as that I could enter the items as they were happening not have to go back to receipts post.