Devils Turntable

Reverse audio & backmasking

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Your friend swears that haunting melody is just Happy Birthday backwards. Now you can prove it in ten seconds. Record it, flip it, hear what's really in there. WHAT DOES THAT SOUND LIKE BACKWARDS? For about thirty years people were convinced that rock and metal records had messages hidden inside them. Play the album in reverse and the devil speaks. It was nonsense, but it was very fun. Devils Turntable is a pocket-sized backmasking machine. Load a sound, hit SATANIZE, and hear it play in reverse while fire and smoke crawl up the face of the deck. HOW IT WORKS Record straight into the app with your microphone. Or import an audio file. Or drop in a video and the app pulls the audio right out of it. Then flip it. The record slows to a dead halt like you dragged your hand across the platter, then spins back up the other way. THE CONTROLS - SATANIZE — flips playback backward, then forward again - SPEED — bends pitch exactly like a real turntable. Slow it to a crawl or run it fast and chipmunked. - FIRE and SMOKE — two knobs that crank the atmosphere on the deck itself WHAT PEOPLE ACTUALLY USE IT FOR - Settling arguments. "That melody is just Happy Birthday backwards." Prove it in ten seconds. - Learning to speak backwards, which is a genuinely useful and genuinely stupid party skill. - Guitarists checking a reversed solo before they commit it to tape. - Testing your own voice memos for accidental demonic content. - Being the person at the party who says "wait — listen to this." HONEST ABOUT WHAT IT ISN'T This is a listening tool. It plays audio backwards. It does not export, edit, or save reversed files. If you need a reversed stem for a track, open your DAW like an adult. Devils Turntable is for checking, learning, and goofing off, and it does that faster than anything else on your phone. PRIVACY Nothing leaves your phone. No account, no analytics, no tracking, no ads, no data collection of any kind. Your recordings are yours and they stay on your device. No actual demons or poltergeists were summoned during the making of this app.

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The developer, Scott Hsiung, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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    Information

    Provider
    Scott Hsiung
    Size
    36.4 MB
    Category
    Music
    Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • Mac
      Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    9+
    Copyright
    © 2026 LA Memorial
  • Privacy Policy

    • More by Scott Hsiung

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