Version updates

MIDI Tape Recorder is an open source Audio Unit v3 plugin with a radically different approach towards MIDI recording.

New version 2.0.1
Old version 2.0.0
Release Notes Fixed recordings running at double speed when not following a host transport.
Author Uwyn, LLC
Type Tool
Supports Audio Unit (AU)

With MusicStreamer you can stream sound to Chromecast or Airplay speakers.

New version 8.19
Old version 8.18
Release Notes * Translated into 14 languages. * Drag/drop M3U files to create play lists. * Improved scan times for large folders. * Fixed crash when importing playlists. * Fixed Play Next missing from items in the Play Queue. * Fixed case sensitivity issues with genre names. If you like MusicStreamer on iOS, MusicStreamer for Mac is available on the Mac App Store. Rest assured, we never gather any of your data. Thanks for using MusicStreamer. We would love to hear your feedback at support@stratospherix.com and this will drive new features in future updates.
Author Stratospherix Ltd
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Inter-App Audio (IAA), Audiobus

The BandHelper app works with your BandHelper account to share info with your bandmates, streamline your management duties and power your live show.

New version 2026-09-04
Old version 2026-08-21
Release Notes * Added Settings > Audio & MIDI > Queue Recordings. With that turned on, you can play a recording, then select another recording to queue it and it will play seamlessly at the end of the current recording. You can play any combination of looped or non-looped recordings, and you can queue a recording after itself to make an ad-hoc loop. See the Advanced Audio tutorial for more info. * Added audio units (AUv3) for all the audio output channels (Recording 1-8, Tempo and Pitch) as an alternative to Inter-App Audio. You can load BandHelper's audio units into a mixer or effects app to stream the audio directly to those apps. When connected, the audio will be muted from BandHelper. • Correctly updated the Multiple Recording Buttons and Recording Controls states when changing songs with the Continue Audio When Changing Songs setting on. • Fixed a problem that made LRC timestamps visible in the document viewer after transposing. • Fixed ChordPro positioning when bracketed chords are in the same lines as LRC timestamps. • Restored support for ChordPro-positioned text consisting only of numbers. • Fixed the list section headings that overlapped the shortcut buttons. This also changes the behavior of the heading at the top of the list when scrolling down; it now appears semitransparent over the list. • Fixed incorrect positioning when saving a layout when a group of items is selected. • Reduced power consumption when playing tempo clicks.
Author Arlo Leach
Type Tool
Supports Inter-App Audio (IAA)

With MusicStreamerLite you can stream sound to Chromecast or Airplay speakers.

New version 8.19
Old version 8.18
Release Notes * Translated into 14 languages. * Drag/drop M3U files to create play lists. * Improved scan times for large folders. * Fixed crash when importing playlists. * Fixed Play Next missing from items in the Play Queue. * Fixed case sensitivity issues with genre names. If you like MusicStreamer on iOS, MusicStreamer for Mac is available on the Mac App Store. Rest assured, we never gather any of your data. Thanks for using MusicStreamer. We would love to hear your feedback at support@stratospherix.com and this will drive new features in future updates.
Author Stratospherix Ltd
Type Tool
Supports Inter-App Audio (IAA), Audiobus

Castamatic is the app to listen to podcasts on any iOS device.

New version 13.2.2
Old version 13.2.1
Release Notes Version 13.2.2 - Opening a feed:// link, or a feed that points to a relative address, no longer leaves a podcast with no title and no episodes. Subscriptions already broken by a feed:// link are repaired on their own. - When an episode can't be played, the alert says whether the file is gone from the podcast's server or the server didn't answer and it's worth trying again later, with the HTTP status spelled out in words. - On iOS 27, showing a podcast's description could freeze or close the app; it no longer does. - Playlist sync no longer stops when an episode appears twice in the manual order. - With CarPlay connected, the progress indicator no longer closes the app. - Rebuilding the library no longer closes the app while it refreshes the podcast list. - The image cache no longer closes the app and no longer discards images that are still valid. - Starting a very long downloaded m4a episode no longer runs out of memory. - An audio file with an unknown duration no longer closes the app when playback starts. - Two rare crashes while switching episodes have been removed.
Author Gunp Media Productions
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Audio Unit (AU)

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

New version 3.8.6
Old version 3.8.5
Release Notes What’s New in Cubasis 3.8.6 This supplemental update includes improvements and is recommended for all Cubasis users. For the complete list of improvements, issues and solution please visit us at www.steinberg.net/cubasisforum. If you like Cubasis, please support us by rating this app!
Author Steinberg Media Technologies GmbH
Type Host
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)

Now available as an Audio Unit extension (AUv3) allowing it to act as a powerful MIDI sequencer and clip launcher.

New version 1.16.1
Old version 1.16.0
Release Notes - General bug fixes & improvements
Author Imaginando Lda
Type Tool
Supports Audio Unit (AU)

This app is a portable multitrack audio and MIDI recording studio featuring virtual instruments, editing with unlimited undo/redo, mixing, real-time effects, automation and much more!

New version 7.2.9
Old version 7.2.8
Release Notes The Global page in MIDI Remote Setup wasn't visible anymore in the last version. Solved.
Author Davy Wentzler
Type Host, Instrument, Effect
Instrument type Sampler
Instrument sounds All-in-one
Effect type All-in-one
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)

Early Schroeder reverberators consisted of the following elements: a series connection of several all-pass filters, a parallel bank of feedback comb filters, a mixing matrix.

New version 3.0
Old version 2.0
Release Notes Version 3.0 is a full rewrite of the desktop reverb: seven spaces, four variations, tempo-synced pre-delay, freeze, per-channel spectrum displays and surround support, running as Standalone and AUv3.
Author DiscoDSP LLC
Type Effect
Effect type Reverb, Delay, Echo

Resonator Audio Unit is an audio effect that creates natural sounding resonances in an acoustic body.

New version 1.3
Old version 1.2
Release Notes Updated with new SDK
Author Aleksandar Mlazev
Type Effect
Effect type Reverb, Delay, Echo
Supports Audio Unit (AU)

The OPL is a digital sound synthesis chip developed by Yamaha in the mid 1980s. Among other products, it was used in sound cards for PC, including the Ad Lib card and early Sound Blaster series.

New version 3.1
Old version 3.0.1
Release Notes A new unison mode stacks five detuned layers per note, following the Yamaha AN1x voicing with a 32-step detune depth. Levels are compensated at every depth, and sounding notes retune live as you slide the control. With unison on, the panning control becomes an AN1x-style stereo spread. The chip now renders in true stereo, layers route centre, left, and right, and the width blends from an exact mono mix to the chip's full separation. The standalone app now keeps its state across restarts, so a force-closed app reopens where you left it.
Author DiscoDSP LLC
Type Instrument
Instrument type Synth
Instrument sounds Keyboards

Expand your musical horizon by playing Arabic, Armenian, Balkan, Greek, Klezmer, Persian & Turkish sounds, scales and rhythms.

New version 7.42
Old version 7.41
Release Notes We squashed some bugs in this version along with: - UI Improvements
Author TAQS.IM
Type Instrument
Instrument type Sampler
Instrument sounds Ethnic
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)

A very easy to use audio editor and recorder.

New version 1.106
Old version 1.105
Release Notes Fixed: - The VoiceOver mark buttons now announce what they did. - The VoiceOver mark and selection buttons could fail on iPad.
Author TwistedWave Software Ltd.
Type Host
Supports Audiobus

An architecturally unique and sonically characterful looping toolkit for producers and live performers, inspired by both modern looper pedals and vintage tape-based setups, Enso combines elegant and intuitive UI design with a deep but accessible feature set and stellar sound quality.

New version 1.4.1
Old version 1.4.0
Release Notes - The security group was misnamed in the last update, resulting in no access to the preset folder. This has been remedied, and your presets will be back, safe and sound.
Author Audio Damage, Inc.
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Audio Unit (AU)

Let the musical muses of Piano Motifs inspire your device to generate some original and beautiful motifs (short melodies).

New version 4.115
Old version 4.114
Release Notes • Added Continuous Mode. In Sync Mode, motifs are continuously generated while the Host is playing. In Non-Sync Mode, motifs are continuously played after pressing Play. Activate Continuous Mode by long-pressing the Generate/Play button and selecting Continuous. (AUv3 MIDI Plug-In Only). • Fixed issues with the Experimental Accomp Style. Some settings were not being saved correctly.
Author Fernando Morales
Type Tool
Supports Ableton Link

ArpBud 2 is a MIDI Arpeggiator app where you can create unique arp patterns and be able to arpeggiate your favorite software or hardware synthesizers.

New version 3.0
Old version 2.8
Release Notes This version - Modernizes the audio engine - Improves the engine performance - Improves the MIDI sample accuracy - Adds sampler to the standalone app - Adds factory presets to AUv3 plugin - Adds online user manual to the settings menu - Updates the LED and disabled fader colors
Author Cem Olcay
Type Tool
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)

iDousyn is a Mobile Instrument App with a lot of high quality sounds selected for different musical genres.

New version 3.8.5
Old version 3.8.2
Release Notes • Timeline Chord Sequencer: Drag and drop chords into the new visual timeline to build full songs with zero-latency precision. • Lossless FLAC Export: Record and bounce your master performances in studio-grade FLAC format. • Pro Performance: Rewritten audio/MIDI engines for maximum CPU efficiency, instant load times, and silent iCloud syncing.
Author Jorge Lozada
Type Instrument
Instrument type Sampler
Instrument sounds All-in-one
Supports Inter-App Audio (IAA)

This app is a music player that can process the following effects in real time: Time stretch (0.5-2.0 double speed), Pitch shift (-1 ~ +1 octave), 10 band equalizer.

New version 7.0.3
Old version 7.0.2
Release Notes Fixed an issue where audio might not play under certain conditions.
Author Loop-Sessions.LLC.
Type Effect
Effect type Equalizer, Filter, Pitch effects
Supports Audio Unit (AU)

BAM - Beat Maker & Music Maker is a groovebox-style music production app and plugin host

New version 1.7.2
Old version 1.7.1
Release Notes - Added custom graphical panel design for the Compressor, Delay and Phaser effect engines. - Added a Layout setting to force the phone or tablet layout instead of relying on screen size detection. - Added copy, paste, import and export of MIDI mappings, so a mapping setup can be reused across projects. - Added Matrix clip width and height settings in Preferences. - Added a Matrix master column width setting in Preferences. - Added Root, High and Low controls to the generate popup in the Composer, to control the octave range used by the melody and chord generator. - Reworked the Composer scroll and zoom bars. - Added an Only While Recording metronome setting. - MIDI mappings for play, stop, record, undo, redo, clear locks, shift and the panel selector buttons are now global. - Fixed new projects ignoring the default clip length preference. - Fixed crash when adding a MIDI Out engine with automatic parameter automation enabled. - Fixed the Compressor, Bitcrusher and Filter UI panels on iPhone. - Fixed the timeline toolbar reading and writing the signature, swing and speed of the previously selected clip after selecting a different scene. - Fixed the previous project's clip and its audio loop staying loaded after opening another project. - Fixed the Start, End and Loop Start markers display in the Sampler engine. - Fixed a crash when using a mono audio file as a clip loop. - Fixed a crash when opening a project in which a track's selected clip slot was empty. - Fixed the Composer page bar showing the timeline's page count instead of the pages of the selected clip. - Fixed pressing record while the song was playing triggering the recording count down, which paused playback until the count down finished. - Fixed tapping the transport buttons on iPhone bringing up the iOS home bar instead. - Fixed samples and audio clips playing pitch shifted and with the wrong length after the audio sample rate changed.
Author Imaginando Lda
Type Host
Supports Audio Unit (AU)

GeoShred Control is a stand alone MIDI/MPE controller based on GeoShred.

New version 7000.386.1.500
Old version 7000.383.1.497
Release Notes - Fixed GeoPizzBass going silent and reverting to "not purchased" even after Restore Purchases - New — Three new playing surfaces. A preset can now be saved with one of four keyboards: the Isomorphic grid, the Piano Keyboard, the Uniform Keyboard and the Janko Keyboard. Pick the type at the top of Menu > Keyboard. - New — All playing surfaces now support Touch Velocity! Touch Velocity uses iOS/iPadOS device's Accelerometer to measure how hard you tap a note. How hard you tap a note is directly converted into MIDI velocity. - New — All the new playing surfaces support MPE. This means that the Piano Keyboard is an MPE keyboard, the Uniform Keyboard is an MPE keyboard and the Janko Keyboard is an MPE keyboard - New — Asymmetric pitch bend range is now supported for all playing surfaces. For instance, your pitch bend range up could be 24 semitones and your pitch bend range down could be -12. - New — GeoJamTrax backing tracks including: Ode To Pink (Uniform Keyboard), Dirt_Blues, Todd Is God (Piano Keyboard), Tribal, Easy Street, Be-Whole(Janko Keyboard) - New — Three new factory setlists — PKB Keyboard, UKB Keyboard and JANKO Keyboard — 50 presets each one for each instrument type and MIDI Out type - New — Multi-select import. The import file picker now lets you select many presets and setlists and import them all in one go. - New — MIDI Visual Feedback of incoming-note indicators now show both expression axes at once: vertical (CC74) motion moves the indicator up and down while pressure brightens and darkens it — the two no longer fight over the display - New — The Naada plucked-string keyboard presets have a Mono button for legato playing, so you can switch without opening Performance Settings. - New — Strum zones can be turned on and off individually. Double-tap to enable or disable each of the Chords, Strum and Keyboard zones; the remaining zones resize to fill the space, and re-enabling restores your original layout exactly. - New — The standalone GeoShred Studio window is resizable, holding a constant 4:3 aspect ratio as you drag it. Launch and resize flicker are fixed, and the keyboard no longer lays itself over the chord and strum zones after a resize. - New Connect Send can keep the sending device's audio on — a MIDI configuration option, so you can hear both instruments - New MIDI Configuration for Artiphon Chorda. - GarageBand tip: for recording the new keyboards, use the MPE Channel Mode MIDI configuration — and make sure GarageBand's Support MPE setting is turned on (recent GarageBand updates turn it off). - Improved or fixed - MPE, temperaments, sustain, Hammer On Pull Off Legato (aka HOPO), setlist management, visual feedback, startup flow, MOTD context in plugin hosts, handling of hardware interrupts for touches, LinnStrument support, Control Surface picker menu, GeoSWAM Pan, GeoSWAM Course Tune, key edge handling for the AUv3 plugin, strum response to panic, and Channel Pressure handling for conventional MIDI controllers that convert Poly Afertouch to Channel Pressure.
Author Wizdom Music LLC
Type Controller
Supports Audio Unit (AU)
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