OneReceipt is the free and simple way to store all of your email and paper receipts. It also can let you see your receipts in your credit card or bank statements.

Evernote is an easy-to-use, free app that helps you remember everything across all of the devices you use. Stay organized, save your ideas and improve productivity. Evernote lets you take notes, capture photos, create to-do lists, record voice reminders–and makes these notes completely searchable, whether you are at home, at work, or on the go.