Opening the iTunes Store.If iTunes doesn't open, click the iTunes application icon in your Dock or on your Windows desktop.Progress Indicator
Opening the iBooks Store.If iBooks doesn't open, click the iBooks app in your Dock.Progress Indicator

iTunes is the world's easiest way to organize and add to your digital media collection.

We are unable to find iTunes on your computer. To download the free app ShiftyVox by Red Room Software, get iTunes now.

Already have iTunes? Click I Have iTunes to open it now.

I Have iTunes Free Download


By Red Room Software

This app is only available on the App Store for iOS devices.


Make your voice sound crazy!

ShiftyVox is a real time voice modulator. It has both a time-domain modulator (which means it catches frames of audio coming in from the iPhone microphone and multiplies each frame with an oscillating sine wave pulled from a wave table) and a frequency-domain modulator (which means it does the same thing as the time-domain mod but before it multiplies the sine wave, it transforms the frame using an FFT into the frequency-domain and then multiplies the frequency response with the sine wave). Each mode enables you to adjust how much shift is applied to your voice by moving the blue circle around the touch screen.

You don't have to be a musician to enjoy this app. Just plug in your headphones and trip-out at the sound of your own voice shifting like a robot monster from outer space.

Note: To use, turn iPhone, iPod Touch, or iPad volume all the way up, and use headphones or an external cable to go from the headphones out to a computer or an amplifier. You may have trouble hearing ShiftyVox's sound if you are not using headphones, especially if your device has a cover over the speaker.


What's New in Version 1.2

Enabled iAds.


iPhone Screenshot 1
iPad Screenshot 1

Customer Reviews

Ads? No thanks.

I saw that the only thing in the latest update was that they enabled ads, I asked myself "Why would I want to install this update?"

Thinking about it a bit more, I've hardly used this app, and it doesn't stand out in my mind compared to all the other music apps that I have and use, so I think I'll just remove it, because I certainly don't need any more ads on my phone.

Next time, consider maybe adding features and improvements for the benefit of the users, rather than something to annoy them. :-/

Very fun

Very fun app. It's great for messing with people on an online game (laughs evilly 😈) The only reason it is not five stars for me is because it needs more options. It's so simple - maybe it could use a recording option, or other types of modulators.


Don't waste your time with this app

View in iTunes
This app is designed for both iPhone and iPad
  • Free
  • Category: Music
  • Updated:
  • Version: 1.2
  • Size: 1.1 MB
  • Language: English
  • Seller:

Compatibility: Requires iOS 6.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

Current Version:
All Versions: