I'd like the app to check prices for me at a number of nearby stores so I can buy the stuff I always buy, but at the lowest prices. I've got about 3-4 stores th

I'd like the app to check prices for me at a number of nearby stores so I can buy the stuff I always buy, but at the lowest prices. I've got about 3-4 stores that I visit pretty regularly, and I'm always trying to optimize on prices. Do that and I'll buy it (I'll get a smart phone too)!