40 reviews
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Download size

1 MB

Last updated



Works with

  • Windows Phone 8.1
  • Windows Phone 8
  • Windows Phone 7.5

App requires

  • phone identity
  • owner identity
  • photo, music, and video libraries
  • microphone
  • data services
  • phone dialer
  • movement and directional sensor
  • web browser component
  • WVGA (480x800)
  • photos library
  • HD720P (720x1280)
  • WXGA (768x1280)
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Supported languages (8)

Deutsch English English (United States) español français italiano Português русский
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Turn on SpeechJammer, plug in your headphones and try to talk!

Based on the IgNobel prize winning research, SpeechJammer plays your voice back to you at an adjustable delay, making it difficult to speak.

2.1 Updates:
* Disable UserIdleDetectionMode while SpeechJamming.

2.0 Updates:
* Record and playback your Speech Jams!

1.5 Updates:
* Improved About page UI

1.1 Updates:
* Added Windows Phone 7 Support!
* Added Trial Mode, try out the Speech Jammer for 90 seconds for free!
show details


  • by User 2/1/2015
    Aaaaammmmmaaaaaxzzzziiinnmngggsaaaaaadsvcgvkfjngsjxyjtfyaicinyvjdjcj ucjfomudkbygofuctfysugujgfifok=D
  • by Mikhail Aleksandre Voltaire 11/10/2014
    Great app. I just wish you could export the clips.
  • by James 9/29/2014
    Good times
  • by Amanda 5/29/2014
  • by Benjamin 3/25/2014
    Very good
  • by Dan 1/4/2014
    Works fine - not really my kinda thing but my daughter found it fun
  • by User 12/18/2013
    Makes noise ?
  • by User 10/28/2013
    It was jammin
  • by greg 10/17/2013
    Awesome and hilarious
  • by User 10/12/2013
    It works! Some people are jammed easier than others. Try it on others and find out.