In Pictures: 15 tablet apps for ditching dead trees

These tablet-optimised apps bring your business one step closer to going tree-free and totally mobile.

Square Register

Platforms: iOS, Android (both free)

What's better than recycling receipts? Not producing them in the first place. The Square Register mobile app works with a miniature credit card reader that plugs into your tablet’s headphone jack and lets you accept credit-card payments on the go. The app and card reader are free, but Square does charge 2.75 percent per swipe for Visa, American Express, MasterCard, and Discover cards. To accept a payment, just swipe your customer’s card through the Square card reader, and ask them to sign on your tablet’s screen. If desired, they'll get a receipt emailed to them.

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