SpeechJammer APK

Version 1.4 - com.icechen1.speechjammer
Last updated: Fri, 07 Nov 2014 16:35:26 UTC

APP Information

Download Version 1.4 (5)
Apk Size902.67 KB
App DeveloperJuergen Hock
Malware CheckUNKNOWN
Install on Android2.3.x and up
App Packagecom.icechen1.speechjammer.apk
Website http://yuchenhou.com/

Download SpeechJammer 1.4 APK

App Description

SpeechJammer is icechen1,speechjammer,music,audio, content rating is Everyone (PEGI-3). This app is rated 4.27 by 11 users who are using this app. To know more about the company/developer, visit Juergen Hock website who developed it. com.icechen1.speechjammer.apk apps can be downloaded and installed on Android 2.3.x and higher Android devices. The Latest Version of 1.4 Available for download. Download the app using your favorite browser and click Install to install the application. Please note that we provide both basic and pure APK files and faster download speeds than APK Mirror. This app APK has been downloaded 3625+ times on store. You can also download com.icechen1.speechjammer APK and run it with the popular Android Emulators.

Just try to talk with this app on, it won't be easy!

NOTE: Please use headphones.

SpeechJammer inhibits speech on the user, thanks to the Delayed Auditory Feedback effect. To put it briefly, the effect occurs when you hear your own voice at a slight delay. Many people tend to start mumbling, and therefore "jamming" speech. Works best if you try to read something!

Please use headphones, because using this app on speakers would generate significant audio feedback. Using the app in a somewhat silent room also improves the jamming effect.

Inspired by SpeechJammer by Kazutaka Kurihara


Source can be found at:



Record_Audio: Self explanatory.

Change Audio Settings: Needed to detect if the headphone is plugged in.

Internet/Access_Network_State: Used to show Admob ads.

App ChangeLog

  • 1.4: crashfix + transparent status/navigation bar on KitKat devices
    1.3: fixed lag issues on some devices
    1.2: reset defaults now does not need to restart the app
    1.1: bugfix
    1.0: initial release (BETA)

App Screens

SpeechJammer App Screen 1SpeechJammer App Screen 2SpeechJammer App Screen 3SpeechJammer App Screen 4

Older Versions

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Google Play Reviews

  1. T J-avatar

    T J

    Had no problems with installing or running the app unlike many others have commented. Have not run into any of the dreaded ads that others refer to either, but I can guess how incredibly loud and annoying they would be, because the volume of the delayed playback is INCREDIBLY low, prompting you to crank the volume all the way up! I turned the volume on my headset all the way up, but the echo effect was completely drowned out by my real-time voice. Therefore, I did not experience much if anything in terms of slurring, stuttering etc. I think it would work A LOT better if the volume of the delayed sound was louder.

  2. Ron de Leeuw-avatar

    Ron de Leeuw

    Functional speech jammer that couldn't be more simple and easy to use. Try 100-200 ms for wired headphones, maybe even shorter for bluetooth headphones, and a medium to high sound level, for the jamming to be effective.

  3. Yours Truly-avatar

    Yours Truly

    Doesn't jam speech because it doesn't play back with a delay it just loops everything into a jumbled mess and gets really loud.

  4. Hunter Brandt-avatar

    Hunter Brandt

    It's cool as it does to a certain extent mess up your speech, but as you move along, you start to get used to it. Also, it somewhat acts a tuner if you look at the sound wave, you can also see the overtones, however as I am not a physicist, I couldn't tell what pitches I was seeing, however I could see it was there. So if you are a musician, and you want a more physical side of your sound, whether it be instrumental or vocal, give it a shot, I'll be trying my trumpet soon, to see the results.

  5. S. S.-avatar

    S. S.

    Ok, so I gave stars because I could hear myself talking, but it had no effect on my speech. I was able to successfully talk normal, and basically over the feedback. I did read someone else's review that mentioned it doesn't work on everyone. Kind of bummed, because I was hoping to make a funny video with the jammed up effect and messed up speech. So, others beware, you may not end up with desired effect.

  6. Андрей Гоголев-avatar

    Андрей Гоголев

    Приложение хорошее и интересное. Я знаю, как сделать его более полезным. Если приложение будет работать во время телефонного разговора, повторяя речь собеседника, то его можно использовать для противодействия телефонному спаму. Давно искал приложение с таким функционалом и готов его купить. The app is nice and interesting. I know how to make it more useful. If the application will work during a telephone conversation, repeating the speech of the interlocutor, then it can be used to counter telephone spam. I have been looking for an application with such functionality for a long time and I am ready to buy it.

  7. Arno Van Der Vyver not an animation channel-avatar

    Arno Van Der Vyver not an animation channel

    I realise that this is a free app, and it has to make money, but there are no skip buttons for the ads, you need to sit through them entirely. I do appreciate them giving a selection of things to read from to test the effect the jamming has on you, but I personally did not experience this effect while using the app.

  8. Arvid Assburg-avatar

    Arvid Assburg

    Alright, now hear me out, here: even if it doesn't work at messing you up while talking, it definitely improves your tolerance for your own voice. Knowing myself, I'd expect to have trouble with this, given that I usually stutter quite a bit when talking to other people. I give this app a 1 because half the people who have used it can speak perfectly fine. It's got no effect on your speaking whatsoever.

  9. Lucille Luck-avatar

    Lucille Luck

    Oh my God that was excruciating. There was this high pitched ringing that would get louder in seconds and kill my ears until I turned it off. Absolutely don't bother getting this. OW.

  10. eric soto-avatar

    eric soto

    I have a few issues that I just cant get past. • App no longer works in background. After about a minute when using as background app it turns off mic or playback. have to re-enter app to hear playback again. So cant read from device • Playback is delayed even at 0ms on android device with is frustrating bc iOS gets to use it at 0ms so I know the timer is off and cant be at desired interval when use with metronome. This app used to work when phone locked to save bat or while browsing other app