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To download Music Speed Changer from the Mac App Store, you need a Mac with OS X 10.6.6 or later. Learn More.

Music Speed Changer

By Harald Meyer

Open the Mac App Store to buy and download apps.


Change your music's tempo and pitch in realtime quick and easy. Just select an audio file, mark the region you want to play (and loop/repeat) and change tempo and pitch on the fly.
It is also possible to export the changes to an audio file.
Use cases of Music Speed Changer are for instance: practicing guitar and other music instruments, transcriptions, change the speed of audiobooks...

- Change pitch and tempo (speed, time-stretch) independently
- Loop region
- Select region
- Filtering
- Import various formats including mp3, wav, m4a, ogg, aac, ...
- Export to wav and mp3

** Note **
Music files should be located in your MacOS "Music" document folder for best user experience. Files which are located outside this folder can lead to "File open" errors.

What's New in Version 1.54

- MacOS 10.10 Yosemite bug fixes.


Screenshot 1

Customer Reviews

Crashing in infinity!

I haven’t had a chance to try the app because when it launch, it kept crashing and crashing and crashing and crashing. Where’s the refund button? Oh, I kept forgetting, this is Apple App Store, not Google Play.

Hypnotoad is better

too many quirks (file locations, interface goobers) and then the output. after numerous attempts, it all sounds like Hypnotoad.

wasted my lunch break and lunch money on this. now I’m hungry.


keeps crashing doesnt even work

Music Speed Changer
View in Mac App Store
  • $1.99
  • Category: Music
  • Updated:
  • Version: 1.54
  • Size: 13.0 MB
  • Language: English
  • Seller:

Compatibility: OS X 10.7 or later, 64-bit processor

Customer Ratings

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