MultiTrack DAW

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The power of a digital audio workstation in the palm of your hand.

Price $0.99
Author Harmonicdog
Type Host
Supports Inter-App Audio (IAA), Audiobus
Rating total: 4.54167 (144), current: 4.54167 (144)
Version 6.0.4
Released 09/18/2009
Updated 04/10/2021
The power of a digital audio workstation in the palm of your hand.

Release your creativity with up to 32 high quality audio tracks. Record multiple takes, harmonies, solos, and experiments. No more worrying about bouncing - each instrument can have its own track. More cowbell? No problem!

Build new songs just like in a real recording studio, with the monitoring and overdubbing capabilities of MultiTrack DAW. Move and trim audio until it's perfect, and mix the sound until it's just right. Share your creations with iTunes File Sharing, WiFi, email, and SoundCloud.


MultiTrack has a wide range of input capabilities, including the built-in mic, headset mics, and USB interfaces and mics. AudioUnits (AUv3) and IAA (Inter-App Audio) are also supported as inputs and as effects.


File types for import include mp3, ogg, wav, aac, m4a, aif, and m4a. MultiTrack now offers 8 ways to get audio files in and out: iTunes File Sharing, WiFi, Drag&Drop, Copy/Paste, Open in/Airdrop, Email, Music Library Import, and SoundCloud. Whole projects can be archived in-app and shared, and sent directly to other devices using AirDrop, Wi-Fi, or other iOS sharing capabilites.


2 stereo audio tracks, upgradable to 32, for simultanious playback.
16 inputs simultaneously (USB interface required).
Up to 24 bit / 96kHz, professional quality lossless audio for each track.
Inter-App Audio / AudioUnits v3 - Generators, Instruments, and Effects supported.
Up to 4 AU/IAA plugins on each track, the 2 effects busses, and the master out.
Audiobus 3 - Can be used as a sender for any track or master out. Supports saving and restoring state.

Non-linear, non-destructive editing using Regions and Bins.
Built-in track Compressor and EQ (2 bands parametric, 2 bands shelving)
Built-in Sweet Reverb and Stereo Delay available as bus effects.
Grid View with Snap to easily align regions.
Freeze tracks for improved performance.

Metronome adjustable from 40 to 240 BPM
Adjustable Time Signatures
Ruler showing bars/beats/divisions/ticks or timecode.
Volume faders have +12db of gain boost.
Fade in and out per region (editable fade points)
Ability to monitor the input signal with effects, while recording the raw input.
Looping with the Loop Markers.

Hotbox popup control (Long-touch over track) with context sensitive buttons.
Audio Browser allows preview of audio files in the song.
Snap, Punch, Input Monitor, Auto Input, Undo and Redo, and many more features.
Smart Snap displays red vertical lines with exact snapping placement, snaps to any other region or ruler line.


Beautifully rendered waveforms at multiple zoom levels.
Low latency VU meters for each track.
64 bit audio processing.
Latency compensation with selectable buffer sizes.
Zip compression of song projects for backup/restore.
Wav, mp3, ogg, and m4a compression for mixdown, email attachments, Wi-Fi server, and SoundCloud upload.
Free "Sound Copy" app extension allows copying audio to the General Pasteboard from outside MultiTrack.

For more information visit

* USB Audio requires Lightning to USB Camera Adapter.

Version 6.0.4 release notes

New low price! Basic MultiTrack now comes with 2 tracks and with all features enabled. If you bought MultiTrack before this version, you will of course retain your track counts and all previous purchases. Tracks can be now be purchased in multiples of 8, up to a total of 32. New midi piano keyboard controller for AudioUnit Music Devices or Instruments. With Pitchbend/modwheel sliders and scalable key widths. Automatic velocity and aftertouch on supported devices. New look, menus/controls/popups are a translucent blurred dark material. Mixdown stems as separate tracks into a folder, with normalize option. With Normalize on, tracks will be rendered as loud as possible before clipping. With normalize off, tracks will still be rendered as loud as possible before clipping, but will maintain their relative volume to other tracks. AudioUnit plugin view can be moved and resized, and remain onscreen. Supports multiple AU Instruments open at once on iPad. Extra FX bus added for a total of 2 FX busses. The large popup volume controls now have an easy to read VU Meter, and a Return To Zero dB button. AU/IAA plugins in the Effects Chain now have individual power buttons. AudioUnit icons on the tracks are now tappable, will open the Effects Chain popup for the track. Song Projects now store each of the tracks Armed state, for CoreAudio inputs, Music Devices and Instruments. Blue power dots on the Tab control to easily see which effects are on. Zipped archives can now contain multiple song projects, audio files, directories full of songs or audio files, etc. Animating play button on file player, indicates the current song position during file playback. The toolbar OUT button is now visible on screen widths of 375 points or better. Many more things. Version 6.0.4 Adds animating arrows on the AUView resizing button, to help clarify that the button needs to be dragged to resize the plugin. Song/Folder archiving is now cancelable during the archiving process. FIX: Better default size for AUView plugins. FIX: Progress bar is now modal. Version 6.0.3 FIX: Some weirdness with the Delay effect. Version 6.0.2 FIX: Screen layout for devices with safety margins. Version 6.0.1 FIX: A crash bug when trying to send a song as email on specific devices. FIX: A rare crash bug when retrieving the plugin name from the AVAudioUnit. FIX: The Hotbox button size and distance on iPad was a bit out of wack. FIX: Save the project even when the only changes are track renaming. FIX: Defer system gestures on bottom edge only when AudioUnit instrument or midi keyboard is onscreen.