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KATT is a multimedia novelty app inspired by the iconic car from TV's Knight Rider. It is a simple, fun program that automatically loads files from your iTunes library or KATT's music folder upon launch.

Add files via the Open button or play music and video; KATT's colorful, intuitive interface brings you a step closer to the multimedia you love!

KATT will play some formats including, MP3, MOV, WAV, AVI, FLV, and more.

What's New

Version 2.2:

Note: Now requires OS X 10.7 or later

  • Fixed an issue with some visualizers either running to fast or to slow on Intel Macs
  • Fixed an issue with the wrong voice being used ("Samantha" voice needs to be installed on Mac OS for KATT to use it)
  • Added 10 more visualizers


  • OS X 10.7 to macOS 10.12.6

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KATT User Discussion

4.5 3


Current Version (2.x)


Downloads 1,687
Version Downloads 104
License Free
Date 11 Nov 2017
Platform OS X / Intel 32
Price Free
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