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This app will be available for download until February 2022: existing users should be able to continue using the app, but new downloads will not be possible; download now to avoid eternal regret.

Play music by ear

AudioScrub is a musical assistant that helps you learn to play your favourite songs.

It can change the speed (without changing the pitch), put the music in a comfortable range, loop parts of a song, display a waveform, and rewind or fast forward like a tape player.

Use your ears to learn jazz solos, fiddle tunes, math rock, indigenous music, classical pieces, Lady Gaga… Whatever grooves you, this app will help you develop your listening ability.

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Download on the App Store

Features

Your speed, your key.

Whether it's too fast, slow, high, or low, the speed and pitch modules can adapt the music to your preference. You can even change the tempo without altering the pitch.

See and scroll.

A fluid, scrollable waveform allows you to quickly and visually access different areas of the song. No need to pinch and zoom to go back and forth between large and small scales because both are visible simultaneously.

Tapedeck-style playback.

Say goodbye to accidentally pressing the 'rewind' button and losing your place in the song. You probably want to go back 'just a bit', so that's what the rewind button does: tap to jump back two seconds; hold to seek backwards.

Play that again, and again, and again, and…

Create a loop and set in and out points by tapping the buttons or dragging the sliders. With unlimited loops, you can have one for intro, verse, chorus, solo, head, coda…

To the left, to the right.

To save time, you can set a loop to the correct number of bars and then just shift to the left or right. This lets you practice in musical sections without re-creating the same loop several times.

Play it in twelve keys.

Use the trainer module to learn a section of music by cycling through different keys, automatically or manually. Five transposition schemes give you a variety of approaches depending on the music.

Über comfort.

The playback buttons are large and positioned in a way that natural for your hands. You can play, pause, and rewind without looking at the screen.

ALL THE TAGS.

You can finally see all of the musical metadata without truncation, including the title, artist, album, composer, and release date.

Two Flavours

AudioScrub comes in two flavours - REMIX and PLAY. Both of them have similar features and share the same look and feel.

Use REMIX Edition to change the speed, key, or tuning of the song; it has high quality sound adjustments.

Use PLAY Edition to work with playlists or streaming Apple Music songs. It's like a remote control for the Music app, so you can start playing there and finish here!

Both will be useful on your musical journey.

Technical Specifications

AudioScrub (REMIX Edition)	AudioScrub (PLAY Edition)
Slow down to 25% of original speed and speed up to 200% without changing the pitch	Coarse speed change
Adjust key by up to 12 semitones up and down	—
Adjust fine tuning for out of tune recordings or instruments	—
Adjust panning for recordings with instruments in one channel	—
Train in multiple keys / transpositions automatically	—
—	Control the Music app
—	Control Apple Music songs while streaming
—	Start playing from the Music app and continue here
—	Navigate playlists
—	Repeat songs, albums, or playlists
Loop sections or the entire song	Loop sections or the entire song
Save unlimited loops	Save unlimited loops
—	Play songs from the Music app
Loop in the background while using other apps	—
Loop in the background while device is locked / asleep	—
See and scroll waveform of song	See and scroll waveform of song
Rewind and fast forward like a tape player	Rewind and fast forward like a tape player
View metadata (Title, Artist, Album, etc…) without truncation	View metadata (Title, Artist, Album, etc…) without truncation
Play songs from the Music app (excluding Apple Music)	—
Play songs from Dropbox, Mail, Airdrop, and other apps	—
Play songs from iTunes File Sharing / Drag and Drop	—
Play MP3, Unprotected AAC / M4A, AIFF, and WAV files	—
Stream songs via AirPlay	Stream songs via AirPlay
No file management required: works with any song in the Music app (excluding Apple Music)	No file management: works with any song in the Music app
VoiceOver support	VoiceOver support
Clean interface	Clean interface
No complicated instructions	No complicated instructions
No annoying ads or review popups	No annoying ads or review popups
No behavioural analytics or 3rd party trackers	No behavioural analytics or 3rd party trackers
Universal app for iPhone, iPad, and iPod touch	Universal app for iPhone, iPad, and iPod touch
Download on the App Store	Download on the App Store
slow down music, change the key, and loop	looping for the Music app
Also available: Music Transcriber Bundle Download on the App Store