At the heart of SynthMaster 2’s powerful sound engine lies its oscillators, modulators, and filters.
| New version | 1.0.23 |
| Old version | 1.0.22 |
| Release Notes | NEW FEATURES: 1. Saving presets is now implemented using Files app 2. Loading presets now take place inside the main thread to prevent crashes 3. Standalone app and AUv3 plugin now share the same documents folder 4. Added Undo for preset loads 5. Added ui sync for mod matrix entries: When user taps a mod matrix entry, the source / target are made visible automatically 6. Added global text font size parameter to allow users change user interface text sizes dynamically 7. Added fade in/fade out of audio during preset loads 8. Added version checking 9. Added log file export BUG FIXES: 1. Preset author, bank name and company name textboxes are linked to preset author parameter 2. Preset browser doesn't list presets correctly when text is entered into preset name textbox 3. Global settings and midi mappings should be saved when modified 4. When user searches presets by bank name, exact string match should be user 5. When a modulation is selected from the modulation sources menu, the mod matrix filter should be updated 6. When a knob is tapped, the mod matrix filter should updated 7. Frame window is not scaled correctly for some devices resulting in bottom part clipped 8. MIDI Banks are not loaded correctly 9. MIDI Program Change messages should be ignored when the same PC message is received multiple times |
| Author | KV331 Audio |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Audio Unit (AU) |
ToneBoosters Equalizer is a dynamic equalizer plug-in.
| New version | 4.8.8 |
| Old version | 4.8.7 |
| Release Notes | This update provides significant workflow, customisation, personalisation and performance improvements: - Improved UI performance and reduced CPU load - Improved detection of drag vs click/tap logic for UI elements - Fix an issue with manual entry of automation lane values in certain hosts - New option to enable/disable GPU refresh throttling / high frame rate rendering - New option to enable highlighting of UI elements that accept keyboard input - New option to customize color scheme - Improved undo/redo functionality |
| Author | ToneBoosters |
| Type | Effect |
| Effect type | Equalizer, Filter |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
A simple free music player that allows you to play music files while playing effectors that support Audio Units Extension (AUv3 plugin) format.
| New version | 4.0.0 |
| Old version | 3.3.1 |
| Release Notes | - Up to 8 plugins can now be inserted. - Audio can now be saved in M4A format. - Video can now be saved in MP4 format. |
| Author | fmfmsoft Corp. |
| Type | Host, Tool |
| Instrument type | Sampler |
| Supports | Audio Unit (AU) |
TriceraChorus is inspired by the classic tri-choruses and stompbox choruses of the 1970s and early 1980s. It pairs rich BBD style tri-chorusing with another classic effect of the 1980s: Eventide micro-pitch detuning.
| New price | $7.99 |
| Old price | $14.99 |
| Author | Eventide |
| Type | Effect |
| Effect type | Chorus, Flanger, Phaser etc. |
| Supports | Audio Unit (AU) |
ToneBoosters Spectrogram shows a real-time spectrogram of the incoming audio signal. The ToneBoosters Spectrogram app captures the microphone input and processes the signals in real time.
| New version | 1.7.8 |
| Old version | 1.7.6 |
| Release Notes | This update provides significant workflow, customisation, personalisation and performance improvements: - Improved UI performance and reduced CPU load - New option to enable highlighting of UI elements that accept keyboard input - New option to customize color scheme - Improved undo/redo functionality |
| Author | ToneBoosters |
| Type | Tool |
| Supports | Inter-App Audio (IAA), Audio Unit (AU) |
A matrix-controlled arpeggiator designed to play with your thumbs.
| New price | $4.99 |
| Old price | $9.99 |
| Author | Alexandernaut |
| Type | Instrument, Controller |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Inter-App Audio (IAA), Audiobus, Ableton Link |
The world's first multi-playhead music sequencer.
| New price | $9.99 |
| Old price | $19.99 |
| Author | Alexandernaut |
| Type | Host |
| Supports | Inter-App Audio (IAA), Audiobus, Ableton Link |
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 | 2026-05-22 |
| Old version | 2026-04-24 |
| Release Notes | • Added the recording controls when playing a recording from the song edit page. • Removed the duplicate All and None buttons from picker windows. • Updated the Show Document Viewer action in an automation track to load the document for the current song if needed. • Updated the app control Hold detection so that if you press and release a button quickly before the end of the hold time, a click action will be triggered immediately without waiting until the end of the hold time; but if you release a button too slowly to be a click and not slowly enough to be a hold, no click or hold action will be triggered. • Updated the app control Double-Click and Hold detection to check for specific messages, to avoid delays if you click with one message and double-click or hold with a different message. • Stopped saving the list filters automatically and added explicit Save and Reset buttons instead. • Sped up the display of the App Control Status window. |
| Author | Arlo Leach |
| Type | Tool |
| Supports | Inter-App Audio (IAA) |
Castamatic is the app to listen to podcasts on any iOS device.
| New version | 13.0.6 |
| Old version | 13.0.5 |
| Release Notes | Version 13.0.6 - Fixed playback jumping back a few seconds when switching audio output (e.g. headphones or CarPlay) - Magic Chapters and Magic Transcript are now available when a podcast's published chapters or transcript file is missing or fails to load, instead of being hidden Version 13 - Magic Transcript: generate full episode transcripts on your device using Apple Intelligence. Tap any line to jump straight to that moment. - Magic Chapters: automatically split episodes into chapters using on-device AI, even when the podcast doesn't include them. - Transcript Panel: follow along with a live-scrolling transcript right in the player, with full transport controls. - Chapter artwork now displayed during previous/next chapter navigation. - Improved Value for Value reliability and error handling. - Improved CloudKit sync stability. - Numerous bug fixes and performance improvements. |
| Author | Gunp Media Productions |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Other |
| Supports | Audio Unit (AU) |
PhaseRings is a musical instrument for performing expressive music with touch gestures. Anyone can create a beautiful piece of music with our sound schemes and generative composition engine.
| New version | 2.0.0 |
| Old version | 1.5 |
| Release Notes | App updated for sound quality and stability on modern devices. |
| Author | Charles Martin |
| Type | Instrument, Controller |
| Instrument type | Synth |
| Instrument sounds | Other |
| Supports | Inter-App Audio (IAA), Audiobus |
Neon is a lightweight digital audio editor and recording plugin compatible with any AUv3 host.
| New price | $7.99 |
| Old price | $14.99 |
| Author | 4Pockets.com |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Other |
| Supports | Audio Unit (AU) |
Backpack Studio allows you to easily create professional sounding, studio quality recordings - from anywhere in the world.
| New version | 3.0.4 |
| Old version | 3.0.2 |
| Release Notes | Minor bugfixes. |
| Author | Ed Filowat |
| Type | Instrument |
| Instrument type | Sampler |
| Instrument sounds | Other |
| Supports | Inter-App Audio (IAA), Audiobus |
ShockWave is a monophonic Synthesizer designed to bring modular style workflow to the world of iOS & AUv3 plugins.
| New version | 1.1.6 |
| Old version | 1.1.5 |
| Release Notes | - Fixed an issue where the standalone app would not start properly - Improved iPhone AUv3 UI |
| Author | Kai Aras |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |
This audio shredder does just what is says, it shreds incoming audio (usually strings or lengthy sustained chords) into bite size pieces, adds an envelope and passes through a filter of choice.
| New price | $5.99 |
| Old price | $9.99 |
| Author | 4Pockets.com |
| Type | Effect |
| Effect type | Other |
| Supports | Audio Unit (AU) |
Evolver is a performance tool for creating multi-layered evolving sequences of sound.
| New price | $7.99 |
| Old price | $14.99 |
| Author | 4Pockets.com |
| Type | Effect |
| Effect type | Other |
DigiKeys is an AUv3 compatible MIDI sequencer plugin for AUM or other AUv3 compatible host applications.
| New price | $6.99 |
| Old price | $9.99 |
| Author | 4Pockets.com |
| Type | Tool |
| Supports | Audio Unit (AU) |
DigiStix 2 is an AUv3 compatible drum machine and sampler plugin for your favourite DAW.
| New price | $8.99 |
| Old price | $14.99 |
| Author | 4Pockets.com |
| Type | Instrument |
| Instrument sounds | Drums, Percussion |
| Supports | Audio Unit (AU) |
Turnado is a multi-effect tool, crafted especially for massive real-time audio manipulation.
| New version | 1.8.7 |
| Old version | 1.8.5 |
| Release Notes | - iCloud Sync bug fixed |
| Author | Sugar Bytes GmbH |
| Type | Effect |
| Effect type | All-in-one |
| Supports | Inter-App Audio (IAA), Audiobus |
Agonizer is a monophonic synthesizer designed in collaboration with YouTuber and synth bass expert Jakob Haq of haQ attaQ
| New version | 1.3.1 |
| Old version | 1.3 |
| Release Notes | - Fixed an issue where the plugin would randomly crash when loading large host sessions - Fixed an issue where MIDI mapping parameters in AUM would not work properly |
| Author | Kai Aras |
| Type | Instrument |
| Instrument type | Synth |
| Instrument sounds | Keyboards |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link |
GeoShred is an expressive musical instrument with a multi-touch performance surface, coupled with an advanced physical model of a guitar.
| New version | 7000.325.1.433 |
| Old version | 7000.318.1.426 |
| Release Notes | - Fix for User setlists not working for the plugin - Fix for MIDI config not sticking across preset changes - ET-Diff bounds checking improved |
| Author | Wizdom Music LLC |
| Type | Instrument, Controller |
| Instrument type | Synth |
| Instrument sounds | Guitar |
| Supports | Inter-App Audio (IAA), Audiobus, Audio Unit (AU) |