Edited December 18, 2017
at 08:00 AM
Duet Display for iOS $9.99 @ iTunes (Use iPad or IPhone as 2nd Display for PC / Mac)
Duet Display [apple.com [apple.com]
Use with the free Duet Display [duetdisplay.com [duetdisplay.com]
] client application for Mac / PC to turn your iPad or iPhone into a secondary computer display (connected via lightning cable).
Matches all but one previous FP deals that was at $7.99. Been waiting for this to go on sale for a few months, hope it helps someone.
Store: Apple iTunes