Version updates

AUM is the audio mixer, recorder, and connection hub for your iPad, iPhone and iPod touch.

New version 1.3.5
Old version 1.3.4
Release Notes • Fix failure to save recording if channel had umlauts (áåäöô etc) in its name. • Fixed a couple of crashes and stability issues. • Allow multiple CoreMIDI endpoints with the same name, appending a number. • AU/IAA: don't loose track of MIDI endpoint if reordering node/channel after node was invalidated. • Tweak UI presentation of AUv3 input/output busses. • AUv3 multi-bus: default to next available bus, not last available bus. • AUv3 multi-bus: use next available in/out when duplicating channel. • AUv3: update selected preset in list when changed from within plugin UI. • Skip AUParameters with nil identifier. Avoids crash when saving state for VoxSyn Pro. • AUv3: allow plugins to set preferred view size, by adding AudioComponent tags in the form of 'size:{300,500}'. First size that fits on screen will be picked.
Author Kymatica AB
Type Host
Supports Inter-App Audio (IAA), Audiobus, Ableton Link

Play any synth or virtual instrument with your trusted old guitar, or record notation by playing it.

New version 2.6.13
Old version 2.6.12
Release Notes Minor fixes
Author Jam Origin
Type Controller
Supports Audio Unit (AU)

SynthMaster One iOS is the mobile version of KV331 Audio's SynthMaster One software synthesizer.

New version 1.3.7
Old version 1.3.6
Release Notes New Features: 1. Added new AUv3 skins for 11 inch and 12.9 inch iPads 2. Added MIDI learn for discrete controls 3. Added MIDI learn for modulation amount knobs 4. Added context menu for modulation amount knobs 5. Favourite icon is now displayed next to the preset name 6. Piano keyboard is now showing notes triggered from MIDI input devices 7. OSC/LFO waveform menus now drill down to show the selected waveform Bug Fixes: 1. Tapping on treeview control's items select the incorrect node 2. Analog synth tunings are one semitone down 3. When user synchronizes favourite presets to the cloud, the favourite presets list is cleared until the next run 4. Menus should not close when user taps on the built-in keyboard
Author KV331 Audio
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link

SynthMaster One iPhone is KV331 Audio's first full blown synth app for iPhone. It's a powerful wavetable synth with an intuitive workflow. With its simple layout, rich wavetable/waveform content and inspiring factory presets library, designing new sounds with SynthMaster One iPhone is a joy.

New version 1.3.7
Old version 1.3.6
Release Notes New Features: 1. Added new AUv3 skins for 11 inch and 12.9 inch iPads 2. Added MIDI learn for discrete controls 3. Added MIDI learn for modulation amount knobs 4. Added context menu for modulation amount knobs 5. Favourite icon is now displayed next to the preset name 6. Piano keyboard is now showing notes triggered from MIDI input devices 7. OSC/LFO waveform menus now drill down to show the selected waveform Bug Fixes: 1. Tapping on treeview control's items select the incorrect node 2. Analog synth tunings are one semitone down 3. When user synchronizes favourite presets to the cloud, the favourite presets list is cleared until the next run 4. Menus should not close when user taps on the built-in keyboard
Author KV331 Audio
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link

This is an AUv3 compatible Multi-Track Recorder plugin specifically designed for AUM and other DAW's that don't support audio recording capabilities.

New version 1.11
Old version 1.10
Release Notes Added AUM support for 8 outputs and 3 inputs. Fixed a timing issues scheduling clips. Other minor bug fixes.
Author 4Pockets.com
Type Tool
Supports Audio Unit (AU)

Rozeta is a suite of MIDI sequencers and controllers.

New version 1.3.3
Old version 1.3.2
Release Notes Fixed a rare issue when using many simultaneous Rozeta X0X instances.
Author Bram Bos
Type Controller
Supports Audio Unit (AU)

Groovebox is a free music studio app packed with synths and drum machines.

New version 2.0
Old version 1.17.3
Release Notes Bring your songs to life with automation. Just hit the record button and move some instrument controls — it’s a simple as that. This is the biggest update to Groovebox since its launch in 2017. Automation was by far the most popular feature request, and we’re pleased to bring it to you completely free of charge. If you enjoy using Groovebox, we'd really appreciate a review on the App Store. If you find bugs or have any comments, drop us a line at support@ampifymusic.com.
Author Focusrite Audio Engineering
Type Instrument
Instrument type Sampler, Synth
Instrument sounds Keyboards, Drums, Percussion
Supports Inter-App Audio (IAA), Audiobus, Ableton Link

Get started on any device or platform. With its collection of both modern and legendary sounds, Zenbeats brings Roland’s history of innovation into an environment.

New version 1.1.3
Old version 1.1.2
Release Notes Numerous Bug Fixes and Stability Enhancements
Author Roland Corporation
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Audio Unit (AU)

Woodpressor is a high-end audio compressor. It is both a standalone app supporting IAA (Inter-App Audio) and an AUv3 audio unit plugin.

New version 1.10
Old version 1.9
Release Notes Added AUv3 multi-bus (side chain) support
Author Woodman's Immaculate Maple Syrup Studio
Type Effect
Effect type Compressor, Limiter, Gate
Supports Inter-App Audio (IAA), Audio Unit (AU)

EG Pulse is the Drum Machine for iOS. EG Pulse contains drumkits and presets created by some of the best iOS Beat Makers and Producers like SoundOfIzrael, Soundtrack Loops, the Beat Community and more.

New version 1.17
Old version 1.16
Release Notes 1.17 - Generative Euclidean sequencer pattern write - Multi-output busses state saved into drumkit and AU preset - Fixed bug on note cutoff when changing pad velocity 1.16 - Added Multi-output bus routing in mixer view - Fixed Link in Multi-output AU3 version 1.15 - AU3 Multi output - Route up to 16 separate stems to any daw supporting multi-output AU (*currently supported by AUM only) - Sample Latch mode - Switch sample play mode from one shot, to hold or latch 1.14 - Ableton Live Set Export support for patterns* - Multi stems export of patterns - Free Ableton Live Lite license - Added mp3 samples import *Ableton Live Set Export helps you move from inspiration in apps to production in Live.
Any idea from EG Pulse can be saved as an Ableton Live set – complete with all audio parts. Transfer to your computer to arrange, mix, remix and jam in Ableton Live For feedback or request please write at info@elliottgarage.com
Author Elliott Garage
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Audio Unit (AU), Ableton Link

Stage Traxx is an audio player designed for professional musicians working with backing tracks. With Stage Traxx 3, controlling your live performance will be easier than ever before.

New version 3.1.0
Old version 3.0.8
Release Notes ADDED * Lyrics can now be formatted using markdown syntax or context menu. Following formatting options are supported: bold, italics, underline, 3 different headlines and colors * Keywords can now be assigned to songs and used to filter the song list. * New popup dialog to change audio related song details (i.e. pitch, speed, eq, volume, pan) within the player view * Playlists now have a volume setting which will be applied when loading a playlist into the queue or selecting a song within a playlist if Advanced Queue Mode is off * Colors can be assigned to song titles * Song list can now be sorted by title, artist and date added * Songs now have a pan setting * Songs can be added to multiple playlists in one step * New settings to define default scroll speed and font size for new songs * A double tap in lyrics view will toggle the song list * Highlighting of current line in time coded lyrics can be disabled * Setting to choose if highlighted lyrics line should be positioned on top or in the middle of the lyrics view * New MIDI commands [midi@play: ...] and [midi@stop: ...] which are sent when pressing the play/stop button * Setting to globally define midi commands to be sent when pressing play/stop * It is now possible to open all supported file types with the "Open With" feature of iOS directly in Stage Traxx * MIDI panic button added to song details window in player view * New backup type which does not include audio files. Can be used to quickly sync database changes to other devices * Network clients can now change text size and scrolling speed * Setting to hide volume buttons in player view * Setting to automatically hide the song list in main player during playback CHANGED * Restructured settings tab to better accommodate the large number of options * Tabbar in player view moved to top of song list to get out of the way of the play button * Replaced device volume mode of the volume slider in player view with queue volume. Switching between song volume and queue volume can be done by tapping on the volume title or db value. * Songs imported from the music library can now be updated by reimporting them again * Changed fixed width font for a font that is nicer to the eyes * Network clients will use the autoscrolling setting to enable or disable automatic scrolling * Position slider in lyrics editor will now use all available space * Songs are added to the history list whenever you play at least 50% of that song * Current song title will now scroll in player views if it is very long FIXED * Possible crash when connecting USB audio devices while Stage Traxx is in the background * Updated lyrics in audio files are ignored even if the lyrics have not been changed in Stage Traxx * File import will sometimes leave copies in a folder "Inbox" which then take up unnecessary space * Rendering issues when lyrics contain Windows line endings * Changing volume in song details view not audible in preview * Rendering issues in table views caused by large titles in navigation bars * Wrong colors for segment controls on iOS13 * Player view sometimes not showing selected playlist * Text fields in song details view do not dismiss the keyboard
Author Peter Dikant
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Audiobus

Mellowsound is an emulation of a legendary instrument, a keyboard sampler from the 60s used by many famous artists like the Beatles, David Bowie, Radiohead and many others, this mythic instrument is called The Mellotron.

New version 3.2.5
Old version 3.2.4
Release Notes Minor update to fix a bug with battery when the app is in background. and a bug with NanoStudio 2. We are working on a major update with new features, coming soon! Stay tuned Fingerlab Team
Author Fingerlab
Type Instrument
Instrument type Sampler
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus

Play any synth or virtual instrument with your trusted old guitar, or record notation by playing it.

New version 2.6.12
Old version 2.6.10
Release Notes Minor fixes
Author Jam Origin
Type Controller
Supports Audio Unit (AU)

DigiStix Drummer is an AUv3 compatible drum machine / sampler plugin. The program has a host of features which allow you to sample your own drumkits and trigger them either using a host application via MIDI or using the inbuilt pattern and song editor which automatically syncs tempo with your DAW.

New version 1.19
Old version 1.18
Release Notes Added multi-out support for use in AUM. Improved stability and other minor bug fixes.
Author 4Pockets.com
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Audio Unit (AU)

GrainProc is a real-time granular synthesizer with which you can create new sounds and musical textures by affecting your voice, your instrument, or any input.

New version 5.0
Old version 4.4.3
Release Notes - updated for all the new screen sizes, and updated to Audiobus 3
Author Mayank Sanganeria
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audiobus

Cubasis 3 is the new version of a famous iOS DAW.

New version 3.0.1
Old version 1.0
Release Notes Thanks to your valuable feedback, Cubasis 3 has got better! Please keep up the great work of sharing your ideas and suggestions with us through the Audiobus and Cubasis forums. This maintenance update resolves over 30 user-reported issues. If you like Cubasis, please support us by rating this app on the App Store! CUBASIS 3.0.1 VERSION HISTORY Track Inspector, Track List & Arrange Window CBT-764 Scrolling the inspector vertically now works as expected. CBT-1246 Addresses a rare problem, where pasted files remain silent, due to an undefined solo mute state. CBT-1272 Resolves a problem, where loading a Cubasis 2 project leads to empty audio project files. CBT-1275 Copied audio and MIDI files no longer remain silent after being pasted. CBT-1289 Resolves a problem, where importing a MIDI file of extensive length can lead to graphical issues. CBT-1296 Resolves a problem, where the wrong note is being highlighted while changing the note's velocity position using the utility buttons located on the left. CBT-1315 Pasting and glueing MIDI parts now works as expected. CBT-1333 Group track routing is now correctly displayed upon first opening. CBT-1339 Punch in and punch out now work as expected. CBT-1348 Addresses a problem, where using track freeze could lead to incomplete audio renderings. CBT-1364 Addresses a problem, where the length of a time-stretched event is altered when re-opening the project. MIDI Editor CBT-646 MIDI editor no longer loses its last zoom level setting when being closed and reopened. CBT-1337 MIDI editor velocity bars are now correctly aligned to the bottom of the MIDI editor. Instruments & Effects CBT-990 Deleting a Micrologue user preset now works as expected. CBT-1280 Studio EQ frequency automation parameter values are no longer displayed incorrectly in the automation editor. CBT-1334 Tapping the paste/steps button in the Micrologue ARP in-app purchase, no longer renders Cubasis unreliable. CBT-1350 Resolves a minor problem where the send effect slots are overlaid by the effect rack user interface. CBT-1358 Resolves a problem, where changing parameters of the Non-Linear Reverb of FX Pack I leads to fully distorted audio playback. CBT-1366 Resolves a graphical issue, where the Studio EQ parameter curve is not displayed, when being assigned as send effect. Audio Unit & Inter-App Audio CBT-1215 Resolves a rare problem, where opening the user interface of an Audio Unit plug-in stops playback from running. CBT-1254 Deactivating an Inter-App Audio effect now works as expected. CBT-1303 Resolves a problem, where the last changes made in an Audio Unit plug-in are not remembered, when having its user interface re-opened. CBT-1342 Changing effect parameters on specific 3rd party AU effect apps, such as Tonebooster Reverb no longer slows down Cubasis. CBT-1343 Using ROLI NOISEwith Cubasis 3 now works as expected. CBT-1344 Using GeoShred with Cubasis 3 now works as expected. CBT-1354 Using Mononoke with Cubasis 3 now works as expected. CBT-1374 Resolves a problem, where parameter changes made in an Audio Unit instrument are reset, after reloading the project. Misc. CBT-1273 Cubasis 3 is now sending MIDI start/stop messages from the transport buttons as expected. CBT-1274 Solves a problem, where loading a Cubasis 2 project can render Cubasis 3 unreliable. CBT-1298 Improves a problem, where the undo history list appears incomplete or empty. CBT-1300 Solves a serious problem, where instruments can play back out of time when using higher latency settings. CBT-1367 Opening the iOS control center while Cubasis is running, no longer results in accidentally selecting the help, settings or in-app shop menu. CBT-1371 Current projects get auto-saved when a recording has stopped. Future topics (currently being developed, release date TBA) - MiniSampler edit functionality - Apple Pencil Support
Author Steinberg Media Technologies GmbH
Type Host
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)

n-Track Studio 8 turns your iPhone, iPad or iPod touch into a complete recording studio.

New version 9.1.10
Old version 9.1.9
Release Notes New: n-Track Studio 9.1 • Introducing the Loop Browser: Simply drag & drop audio loops into your n-Track project. Import sounds or use our in-app sample packs. • Follow Song BPM & Pitch Shift quickly with dropdown menus on audio loops. No need for extra plugins. • Upgrade to Suite Edition: Unlock royalty-free loops, exclusive Beats, 400+ playable instruments, and editable n-Track Studio projects to supercharge your productions. New in n-Track 9.1.10: • various bug fixes and enhancements If you like this app, please leave a review & help us to keep making n-Track better for you. If you have comments or bug reports please let us know at support@ntrack.com Thanks for using n-Track Studio!
Author n-Track S.r.l.
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)

iFX Rack is an analog modeled virtual effects rack for your iOS Device.

New version 1.1.1
Old version 1.1.0
Release Notes Added BlueTooth MIDI Support
Author MIDIculous LLC
Type Effect
Effect type All-in-one
Supports Inter-App Audio (IAA), Audio Unit (AU)

More than a chromatic tuner, tone & chord generator, metronome, and recorder, Tunable is a music practice coach that can help you play steadily, in tune, and on beat anywhere you go.

New version 3.1.8
Old version 3.1.7
Release Notes - Fix issue with metronome behaving inconsistently in certain instances. As always, if you like this update, please leave a kind rating and review. It helps more than you know. Thanks!
Author AffinityBlue
Type Tool
Supports Ableton Link

Instantly following even subtle modulations of pitch and spectral changes of your voice VoxSyn Pro creates signature vocal sounds far beyond traditional vocoding.

New version 2.0.2
Old version 2.0.1
Release Notes - Crash on saving as Music Effect AU in AUM fixed
Author Harry Gohs
Type Effect
Effect type Vocoder
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)