Paribus app helps you get money back on purchases

You've likely seen the price match guarantees of many retailers, but when's the last time you've taken advantage of one?

Now, there's a new app called Paribus that could help you earn a little money while shopping.

Right now, Paribus only works for online purchases, but has plan to expand. Users are charged a 25 percent fee for any money they are refunded.

Watch the video player above to find out more about how this app works.