Version updates

Knob Lab is a powerful MIDI controller for iOS devices.

New version 2.1.2
Old version 2.1.1
Release Notes New MIDI core Fixes when transmitting pitchbend.
Author Uri Nachmias
Type Controller
Supports Inter-App Audio (IAA)

A very easy to use audio editor and recorder.

New version 1.52
Old version 1.51
Release Notes TwistedWave now works fine on iOS 15.
Author TwistedWave Software Ltd.
Type Host
Supports Audiobus

KQ Dixie is a 6-Operator FM synthesizer that is modeled on the synthesizer which appeared on the 1980s.

New version 2.4.6
Old version 2.4.5
Release Notes Updated SDK.
Author Ryouta Kira
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audiobus, Audio Unit (AU)

iTablaPro is an electronic tabla and tanpura, ideal for Indian Classical musicians and students.

New version 11.0.3
Old version 11.0.2
Release Notes - iOS 15 compatibility - Minor enhancements to slow Ektaal - Minor enhancements & fixes
Author Prasad Upasani
Type Instrument
Instrument type Sampler
Instrument sounds Strings, Ethnic
Supports Audiobus

A Simple Ad-Free Piano-like Musical Keyboard. Easy to Play, Good Response and Small Application Size. Just Play the Instrument. The app doesn't use sampled real sounds but use FM synthesis. It sounds like piano though it's false.

New version 1.0.13
Old version 1.0.12
Release Notes Updated SDK.
Author Ryouta Kira
Type Instrument
Instrument type Synth
Instrument sounds Keyboards, Piano
Supports Inter-App Audio (IAA)

Podcasts AU is a podcasts audio unit plugin. The audio stream of podcasts is sent to the plugin output instead of going to speakers.

New version 1.0.1
Old version 1.0
Release Notes Update iOS 15
Author Pham Thang
Type Instrument, Tool
Instrument type Sampler
Instrument sounds Other
Supports Audio Unit (AU)

OB-Xd is based on the Oberheim OB-X. It attempts to recreate its sound and behavior, but as the original was very limited in some important ways, a number of things were added or altered to the original design.

New version 1.9
Old version 1.8.1
Release Notes iOS 15 compatibility. Framework update. Inter-App Audio compatibility.
Author DiscoDSP LLC
Type Instrument
Instrument type Synth
Instrument sounds Keyboards

djay transforms your iOS device into a full-featured DJ and music production system.

New version 3.8.1
Old version 3.8
Release Notes Thank you for using djay! We update the app regularly to provide the best mixing experience for you. Here is what’s new in this release. Version 3.8: • NEW: Shazam integration (available on latest iOS release) • NEW: master audio output effects using Audio Unit effect plug-ins (available on latest iOS release) • NEW: mixer section with waveforms in Video mode on iPad • Added setting to show bar numbers and minute markers in detail/overview waveforms • Added setting to sync BPM only for manual beat matching • Added setting to choose beat sync interval (1 or 4 beats) • Added setting to show Start CUE button instead of Set/Jump • Added setting to set Start CUE at beginning of loop • Added setting to auto-play when triggering cue point • Added option to load song when previewing tracks in media library • Improved level meters to more accurately reflect audible volume • Improved slip mode and enabled blinking of SLIP buttons on MIDI controllers while slipping • Improved set cue behavior: snap to beat when quantize is ON • Various bugfixes and improvements Version 3.8.1: • Improved usability of dashboard button on iPadOS 15 • Improved MIDI Learn to not dismiss when mapping media library controls • Various bugfixes and improvements If you enjoy the app please support us by rating it on the App Store. We look forward to your feedback!
Author algoriddim GmbH
Type Instrument
Instrument type Sampler
Instrument sounds DJ
Supports Ableton Link

"StepPolyArp Unit" is a real-time polyphonic and polyrhythmic MIDI step arpeggiator and step sequencer. It can be used as a standalone application or an Audio Unit MIDI effect plug-in.

New version 4.3.5
Old version 4.3.4
Release Notes • Added support for iOS and iPadOS 15 • Minor bugs fixed
Author Laurent Colson
Type Instrument, Tool
Supports Audiobus, Audio Unit (AU), Ableton Link

EGDR808 is a drum machine that emulates the vintage hardware from the 80's.

New version 3.1.6
Old version 3.1.5
Release Notes - iOS 15 / iPadOS 15 ready
Author Elliott Garage
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Inter-App Audio (IAA), Audiobus

If you’re not patient enough to ride audio level manually, this AUv3 plugin saves you a lot of time.

New version 1.3.6
Old version 1.3.5
Release Notes Update iOS 15
Author Pham Thang
Type Effect
Effect type Compressor, Limiter, Gate, Other
Supports Audio Unit (AU)

Enhance your bass in a mix automatically. Feel and flow your bass on live performance.

New version 1.2.3
Old version 1.2.2
Release Notes Update iOS 15
Author Pham Thang
Type Effect
Effect type Bass effects
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 2.1
Old version 2.0
Release Notes iOS 15 compatibility. Framework update. Inter-App Audio compatibility.
Author DiscoDSP LLC
Type Instrument
Instrument type Synth
Instrument sounds Keyboards

Get audio visuals with your AUv3 host or the standalone app. Scope uses a two-axis graph to give a visual representation of a waveform over time, with the horizontal axis representing time and the vertical axis representing the amplitude.

New version 1.1
Old version 1.0
Release Notes iOS 15 compatibility. Framework update. Inter-App Audio compatibility.
Author DiscoDSP LLC
Type Tool
Supports Audio Unit (AU)

Deplike lets you enjoy a full studio guitar setup from your iPhone & iPad. Install and get your dream pedalboard, amps and cabinets in your pocket.

New version 5.7.81
Old version 5.7.79
Release Notes Bugfix.
Author Deplike YAZILIM Muhendislik Sanayi ve Ticaret Limited Sirketi
Type Effect
Effect type Guitar effects
Supports Inter-App Audio (IAA), Audiobus

Suggester is a tool to assist in the creation of songs and chord progressions.  This app will help you find chords that work together.

New version 12.5.0
Old version 12.4.6
Release Notes You can now choose between the english notation (C, D, E) and the fixed-do notation (do, re, mi).
Author Mathieu Routhier
Type Tool
Supports Audiobus

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 1.2
Old version 1.1
Release Notes iOS 15 compatibility. Framework update. Inter-App Audio compatibility.
Author DiscoDSP LLC
Type Effect
Effect type Reverb, Delay, Echo

A stereo delay effect with LP/HP filter, can be used as an audio unit or as a standalone application.

New version 1.1.4
Old version 1.1.3
Release Notes Save and load user presets Fix UI issues
Author FutureSonic Ltd
Type Effect
Effect type Equalizer, Filter, Reverb, Delay, Echo
Supports Audio Unit (AU)

ChordPolyPad is a chords player for Midi instruments, sequencers or virtual instruments installed on the same iPad.

New version 2.0.6
Old version 2.0.5
Release Notes • Added support for iOS and iPadOS 15 • Minor bugs fixed
Author Laurent Colson
Type Controller
Supports Inter-App Audio (IAA), Audiobus

This is a Lite version of EGDR909 - 909 Drum Machine, but all its functionalities can be unlocked as in-app purchase.

New version 2.0.4
Old version 2.0.3
Release Notes - iOS 15 / iPadOS 15 ready
Author Elliott Garage
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion
Supports Inter-App Audio (IAA), Audiobus, Ableton Link