The Best "Second Screen" App for iPad

When you do, you get a pretty lag-free experience with the default tweaks.

This includes 60 frames per second as well as an energy efficient (non-Retina) display resolution.

Thankfully, if youre using an app likeBetter Touch Toolyou can instantly snap windows to the proper size.

The Competition

Air Display 3($14.99) is easily the biggest Duet Display competitor.

This sounds handy, but isnt something youll usually need in a second display.

The Wi-Fi connection is also dreadfully slow, so its basically unusable anyway.

If youre into graphics editing, Air Display 3 also works with pressure sensitive stylii.

It only works over Wi-Fi, so the app is pretty laggy as a second screen.