System Requirements

  • Mac OS X 10.6 Snow Leopard or Mac OX X 10.7 Lion
  • iTunes or DVD Player to play the target movie

Please note:
RiffSync is built to work with the audio tracks made by the fine folks at We are a separate company, however, and they are not able to assist with RiffSync-specific questions or issues. If you have any problems or questions related to RiffSync, please send them our way instead. You can contact us at

The Mac Companion for your RiffTrax!

Finally - Enjoy your RiffTrax files on your Mac!
Store, organize, and play in perfect sync the audio commentary files you purchase at!


RiffTrax are audio files you play along with a movie you already own or rent. It is like going to the movies with a comic genius. They are sold by the fine folks at for a few dollars or less.

But to enjoy the experience, the audio file needs to be played back in perfect comedic sync with the movie. That's where RiffSync comes in. RiffSync helps you keep the sync, even if you pause the movie for a bathroom break. You can also do a few other neat tricks. Like ducking, which reduces the volume of the movie whenever the Riff-masters are talking. Also, thanks to a built-in way to share sync settings, many times you won't have to do anything to get the sync just right.

RiffSync Features

Fancy Playback Controls
Simple and Powerful

Choose your Player
Sync with a movie playing in iTunes or DVD Player - even movies you buy or rent in iTunes

Built-in Library
Organize all your RiffTrax in one place, and start playing again anytime in perfect sync.

Audio Ducking
Automatically reduce the volume of the movie when the RiffTrax guys are talking. You have full control over how much the volume is adjusted.

Mute the Robot
When in sync, give Disembaudio a break
by muting his lines to reduce distraction.

RiffSync is available on the Mac App Store.