Chronotron Mobile is currently not available.
Overview System Requirements Related


Chronotron Mobile is an audio/video speed changer app. It allows you to manipulate tempo and pitch independently during playback, i.e. change the tempo of audio and video files without affecting pitch (time stretching) and/or change pitch without affecting tempo (key change). You can use Chronotron Mobile to slow down audio and video material for easier music and speech transcription, to transpose backing tracks so you can sing along in a more comfortable key, to change tempo when practicing complicated dance steps, or just to have fun with it. Features: • Real-time audio and video time stretching from 25% to 400% • Real-time key change from -6 to 6 semitones with optional formant preservation • Innovative Hold mode that makes music and speech transcription a breeze! • Loop function • A video delay control allows for more accurate audio/video synchronization • Markers can be set to memorize up to 4 specific positions in a media file • Solo-channel function to isolate individual audio channels • Supports .mp4, .m4a, .mp3 and .wav Additional features that require in-app purchases: • Built-in YouTube downloader • Ability to export modified files to the Media Library • Ability to share media after export


Additional information

Published by

Developed by

Release date


Approximate size

1.41 MB

Age rating

For all ages



This app can

Use your music library
Use your video library
Access your Internet connection and act as a server.


Get this app while signed in to your Microsoft account and install on up to ten Windows 10 devices.

Language supported

English (United States)
Español (España, Alfabetización Internacional)
Français (France)

Additional terms

Terms of transaction

Report this product

Sign in to report this app to Microsoft