Not sure if this is the best board for this question...

I am looking for recommendations on a good app that would allow me to track grocery prices. For example I want to be able to look up the brand of toothpaste that we use and see a list of the stores where I have bought it and the price at each place.... does this even exist??

Right now I use a spreadsheet to keep track of it but I would love an app so that it is always with me.