About this app
The Music Speed Changer app allows you to easily change the playback speed and the pitch (key) of audio in real-time and independently from each other. The app also supports video (with zooming), subtitles (e.g. for karaoke), images (e.g. for scores), and text. Help: http://www.tequnique.com/apshelp Full version: https://itunes.apple.com/us/app/audio-pitch-and-speed-player-pro/id1236781145?ls=1&mt=8 ++ If you experience stops during playback then increase the buffer size in the app's settings. ++ ## Features Lite ## - Change pitch and tempo (speed, time-stretch) independently and in realtime using time and frequency domain algorithms. - Create range and position markers. - Volume amplification, and simple voice reduction. - Channel selection (left/right). - Record audio directly in the app. - Import various formats including mp3, wav, m4a, ogg, aac, mp4 video,... - Import audio from: media gallery, iOS "Open in" (supported by many apps, including DropBox), iTunes File Sharing (USB), and Wifi upload. ## Features Pro ## - Loop and select regions. - Export/share and import songs with annotations (for instance for for sharing between music teachers and students). - Playlists. - Video view* with zoom support (for instance to get an exact view on a guitar player's hand). - Text view with auto scrolling and monospace font support (e.g. useful for tabs). - Subtitles view to show subtitles (for instance for karaoke). - Image view with zoom support (for instance for displaying scores in image format). - Export modified audio to wav, mp3, m4a, and flac. - Batch conversion of files. - Frequency conversion (for instance to 432Hz). * An iPhone 6 or better is recommend for the best video experience. The recommended video resolution is 720p. Use cases: music instrument training by adjusting tempo and pitch to anytune, transcription, karaoke, ...
Latest release
What’s New
Bug fixes.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
- First observed Oct 15, 2026 · 4:16 PM Free
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