Amazing Slow Downer

Amazing Slow Downer

By Roni Music

  • Category: Music
  • Release Date: 2009-03-27
  • Current Version: 6.0.2
  • Adult Rating: 4+
  • File Size: 7.74 MB
  • Developer: Roni Music
  • Compatibility: Android, iOS 8.0
Score: 4.5
From 434 Ratings


If you're a musician who likes to learn new songs and techniques by listening to the same piece of music over and over but wish that the music could be played a little slower, then you'll enjoy Amazing Slow Downer. You can repeat any section of the music at full speed, slow it down or even speed it up by changing the speed between 25% (1/4 of original speed) and 200% (double speed) without changing the pitch! Change the tuning or musical key? No problem, Amazing Slow Downer handles that as well. Setup seamless loops by touching the "Set" buttons during playback. Amazing Slow Downer is the ideal tool for any musician, transcriber or dancer wanting to improve their skills. Important notes: Cannot play DRM protected files from the iTunes store (m4p and audio book files).



  • Great but overpriced

    By bodhisattva87
    Great app. If I'm transcribing a song or want to practice a specific section, I like that I can make a short piece of the song loop. I'm not happy with how much I paid for it though. I didn't look terribly hard but I was surprised that I couldn't find a cheaper alternative.
  • A godsend

    By MedaThug
    I've been using this app for years, and it remains my favorite app in music. It makes life so much easier as a piano player figuring out the lines of my favorite pianists.
  • ASD

    By Larpup
    Been using for years. Sound quality is excellent. Ez and a tremendous aid. Highly recommend it. Updated 10/22/2027-still the best!!
  • Not worth $15

    By Poke-mon :)
    It's good other than when you use the sliders, usually you can't change it by small amounts. It skips whole semitones so you can't really change it by less than two semitones reliably.
  • Music AND Language! At the same time!

    By TheMrHartman
    I have had this app for years. At first didn’t use it much but then moved to China where I slowed down transcripts so I could copy the pronunciation (along with the tones). I am now using it to slow down songs so I can learn the rap portion in Chinese as well as instrumentals! Well worth the money I bought it for. I have dropped pitch of songs too. Does a good job of changing key without too much distortion.
  • Needs a redesign

    By Antkn33
    I like the ability to access Spotify. However the interface leaves a lot to be desired. It is very difficult to start at a precise spot in a song and even more difficult to loop a portion with precision. Capo and Anytune show you a waveform of the music sonic they are much easier. But they do t have Spotify.

    By jjplaysguitar
    App not working with IOS 11
  • Great fun for audio experimentation

    By A. Designer
    Would be really nice to have audiobus capability. This app can be used in a performance setting using pre-treated audio recordings - and it would be great to be able to run it into AUM or other iOS based mixing platforms.
  • Trumpeter transcriber from solos to horn parts

    By popeye4ever
    This is an awesome app, everything I needed and more. Cutting my transcription time 3 fold. I would have rated it 5 stars only for the problem Apple created with its MP4 proprietary crap not allowing music you've purchased through them being used with ASD. I hold Apple/iTunes the blame for this. I paid for the use of the music I should be able to use it as I please. I've sent the request as ASD suggested to Apple requesting they allow ASD access to iTunes purchased music!
  • Just a piano guy

    By pianoguy2102
    Great app for pro musician. What would be cool would be to add a keyboard to the app so that you can play along within the app. As it is, I have to always be on an external instrument while I'm transcribing.