iPad Customer/Inventory App

[MACWINT]

My mother-in-law is opening a resale shop and purchased an iPad to use. she plans on using square for charges, but need some type of customer/inventory app. Any suggestions?

 

[sigamy]

If she also uses a Mac, Bento may be a good option:
http://itunes.apple.com/us/app/bento-for-ipad/id363230518?mt=8

Or TapForms, where you can create your own custom database:
http://itunes.apple.com/us/app/tap-forms-database/id291405311?mt=8