MultiTrack DAW vs AUM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MultiTrack DAW
Record, edit, and mix multi-track audio projects with professional-grade features. Supports numerous audio formats and input methods, offering flexible creative control for musicians and audio producers on the go.
- Up to 32 audio tracks
- Non-linear, non-destructive editing
- Inter-App Audio / AudioUnits v3 support
- Built-in EQ, Compressor, Reverb, and Delay
- Multiple import/export options
- Adjustable metronome and time signatures
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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 like a 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. Export your work with a multitude of sharing options. INPUT 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. AUDIO FILES 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/Finder File Sharing, Wi-Fi, Drag&Drop, Copy/Paste, 'Open in...', Airdrop, the Files app, and importing from the Music Library. Whole projects can be archived in-app and shared, and sent directly to other devices using AirDrop, Wi-Fi, or any other iOS sharing method. FEATURES 2 stereo audio tracks, upgradable to 32, for simultaneous playback. 16 inputs simultaneously (USB interface required). 16, 24, or 32 bit floating point at 44.1, 48, 88.2 or 96 kHz, 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. Sidechain capable, use the 'SC' button to pick a source track pre/post FX. 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. Various musical Time Signatures. Ruler showing bars/beats/divisions/ticks or timecode. Volume faders have +12db of gain boost. Per-Region volume and fade in and out, with realtime audio monitoring while editing. 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. MORE FEATURES 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, ALAC, FLAC, and m4a compression for mixdown with selectable bitrates. Free 'Sound Copy' app extension allows copying audio to the General Pasteboard from outside MultiTrack. Many, many more features. For more information visit harmonicdog.com * USB Audio requires Lightning to USB Camera Adapter.
AUM
This app is a versatile audio mixer, recorder, and connection hub for mobile devices. It allows users to connect various audio sources, route signals, apply effects, and record mixes with high fidelity. It supports advanced features like MIDI control, synchronization, and integration with other audio apps and hardware.
- Connect hardware inputs/outputs
- Route audio and MIDI
- Host Audio Unit extensions
- Record mixes and individual tracks
- Synchronize with Ableton Link
- Built-in processing nodes
- MIDI control and routing
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AUM is the flexible audio mixer, recorder, and connection hub for your iPad, iPhone and iPod touch. Connect hardware inputs and outputs, Audio Unit extensions, Inter-App Audio apps, Audiobus, soundfile players, built-in signal processing and filters, in any configuration you want. Route anything to anywhere with mix-busses, effect sends, audiobus ports, and external multi-channel audio interfaces. Play hosted synths and instruments using the built-in keyboard or external MIDI controllers, or sequence them with AU MIDI plugins or from other apps using Virtual MIDI. Record mixes, individual tracks, or both, straight into the storage space of AudioShare (no copying of files needed), with synchronized start and end for perfect loops. Play back recordings, soundfiles and loops as channel sources in the mixer for backing tracks, further processing or mixing. Soundfiles can be opened from anywhere, including USB drives on iOS 13 and later. Route and filter MIDI in any way you like using the MIDI matrix. Combine and filter MIDI endpoints using MIDI buses. Synchronize everything with the transport clock and play in time with other apps or devices using Ableton Link. Connect external music machines and synchronize them with MIDI Clock. Includes built-in processing nodes for various stereo processing, Mid/Side balance and conversion, EQs and filters, limiting, clipping and saturation. Or use any 3rd party Audio Unit extension or Inter-App Audio effect. All controls in the mixer can be controlled via MIDI, including parameters of hosted and built-in plugins. "A brilliant idea that has been brilliantly executed. Top-notch technical stuff and highly recommended" - MusicAppBlog "Feature rich, powerful, intuitive, and simple to use" - DubSpot "Executes live mixing with surprising ease, with a load of extensive features under the hood, quick snappy response on the screen and audio" - AudioNewsRoom FEATURES • High quality audio up to 32-bit 192kHz • Clean and intuitive user interface with crisp vector graphics • Unlimited number of channels • Unlimited number of effect slots • Inserts and sends are configurable pre/post-fader • Internal busses for mixing, effect sends, signal splitting • Supports multi-channel audio interfaces for both inputs and outputs • Supports built-in speaker and mic, including stereo mic on devices that has it. • Supports Audio Unit extensions, Inter-App Audio and Audiobus • Route MIDI output from Audio Unit extensions • Supports Audio Unit multiple output and input busses (for side-chaining etc) • Highly accurate transport clock • Metronome with selectable output and optional pre-roll • Sends host sync to Audio Unit plugins and IAA apps • Play in time with Ableton Link, with Start/Stop support • Slave external hardware via MIDI Clock • FilePlayer with sync and looping with access to all your soundfiles • Records straight into AudioShare storage space • Record synchronized beat-perfect loops • Built-in nodes for stereo processing, filtering and dynamics • Latency compensation makes everything align at the outputs • Optional manual compensation using TimeOffset • Multiple Inter-App Audio / Audiobus output ports • Audiobus state saving • Built-in MIDI keyboard • Fully MIDI controllable • MIDI Matrix for routing MIDI anywhere • MIDI filtering for any MIDI destination • Combine MIDI sources or destinations using MIDI buses BUILT-IN SIGNAL PROCESSING • Stereo balance • Stereo to mono • Stereo panning • Mid/Side balance • Mid/Side - Stereo convert • Invert Phase • Parametric EQ • Low-shelf filter • High-shelf filter • Low-pass resonant filter • High-pass resonant filter • LP/HP combo filter • First order All-pass filter • Second order All-pass filter • Gain • Hard clip • Saturation • Lookahead peak limiter • System-provided Apple Audio Units
Screenshots
Verdict
The clearest difference is price: MultiTrack DAW at $4.99 against AUM's $24.99. MultiTrack DAW also leads on update cadence (fortnightly vs every 3 months). AUM's advantage is rating (4.7 vs 4.4). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
MultiTrack DAW costs $4.99 and AUM $24.99 up front. MultiTrack DAW sells 3 one-off in-app purchases and AUM sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
AUM holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 217 and 524 respectively. Written reviews point the same way: 77% of MultiTrack DAW's written reviews are positive against 82% of AUM's.
MultiTrack DAW ships an update fortnightly, AUM every 3 months. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.
| Parameter | MultiTrack DAW | AUM |
|---|---|---|
| Price | $4.99 — better | $24.99 |
| Rating | 4.4 (217 ratings) | 4.7 (524 ratings) — better |
| Positive reviews | 76.9% of reviews | 81.9% of reviews — better |
| Number of ratings | 217 | 524 — better |
| Update frequency | Fortnightly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | #64 | #44 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 17 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Harmonicdog | Kymatica AB |
Customer experience
MultiTrack DAW
AUM
Bugs and requests
MultiTrack DAW
Not enough reviews yet to summarise bugs or requests.
AUM
Reported bugs
3 issues- Crashes or freezes when using certain plugin combinations
- Compatibility issues with iOS 15 and newer
- Inconsistent MIDI transport controls
Requested features
4 requests- Add MIDI clock sync receive capability
- Implement a timeline/sequencer view
- Provide more visual customization options
- Improve support for external hardware integration
In-app purchases
MultiTrack DAW
- Add 8 Stereo Tracks$4.99
- Add more tracks$4.99
- Add 16 Stereo Tracks$9.99
AUM
- Small Tip$0.99
- Medium Tip$1.99
- Large Tip$4.99
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- Huge Tip$9.99









