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VOLT is a virtual analog synthesizer designed to create classic synth sounds while emphasising expressive play.

New version 1.4.3
Old version 1.4.1
Release Notes 1.4.3 (188) - Added note priority setting - Changed scrolling to 2-finger scroll (iPad only) - Fixed an issue where touching any ui control could interfere with scrolling - Fixed an issue where accessing the preset store could crash the app - Reverted slider touch behaviour - Minor visual tweaks
Author Kai Aras
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link

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

New version 6.2
Old version 6.1
Release Notes This update adds support for iOS 14, and adds a couple of fixes * The Car Mode screen has been improved to show larger album artwork. * The AudioBus setting has been moved to the Preferences page. 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

Transform your voice into a choir with up to four voices! Harmony Voice is a pitch shifter and harmonizer with professional features including automatic tuning correction.

New price $4.99
Old price $6.99
Author Harry Gohs
Type Effect
Effect type Reverb, Delay, Echo, Chorus, Flanger, Phaser etc., Pitch effects
Supports Audiobus

A tunable iOS implementation of Balinese Gender Wayang.

New version 1.2.4
Old version 1.2.3
Release Notes • Fixed iPhone 6/7/8 plus layouts • Added variants for key naming: setting Keys --> "naming", - 0 for l1...l5 h1...h5, - 1 for 2 3 5 6 1 2 3 5 6 Ī, - 2 for O E U A I o e u a i
Author Otmar Kramis
Type Instrument
Instrument type Sampler
Instrument sounds Ethnic
Supports Inter-App Audio (IAA), Audiobus

Meet Aimée, your personal, artificially intelligent built-in assistant composer, she's ready to help you compose great music, adding her vast knowledge about music theory to your creativity.

New version 5.15
Old version 5.14
Release Notes Adaptations for iOS14 and bugfixes.
Author Elstar
Type Instrument
Instrument type Sampler
Instrument sounds All-in-one
Supports Inter-App Audio (IAA), Audiobus

This is a very simple yet powerful iOS app that performs as a polyphonic audio synthesizer.

New version 2.10.6
Old version 2.10.3
Release Notes • Faster app start • UI fixes related to selections in the various views • Small performance improvements • UI color consistency
Author Brad Howes
Type Instrument
Instrument type Synth
Instrument sounds Keyboards
Supports Audio Unit (AU)

Atomizer is a great plugin for adding beat synced glitch and stuttering, pitch shifting and various forms of filtering effects to your songs.

New price $4.99
Old price $5.99
Author 4Pockets.com
Type Effect
Effect type Pitch effects
Supports Audio Unit (AU)

Create your own Rock and Metal tracks in minutes with this special dedicated Rock edition of SessionBand – chord-based audio loop app.

New price Free
Old price $8.99
Author UK Music Apps Ltd
Type Instrument
Instrument type Sampler
Instrument sounds Drums, Percussion, Guitar, Bass
Supports Audiobus

ToneBoosters Reverb is a studio-quality reverberation plug-in.

New version 1.5.0
Old version 1.4.9
Release Notes New features: - Option to save default settings that will be loaded automatically when loading new instances of the app or AUv3 - Option to reset all programs to factory defaults - New program manager to load, save, rename, delete, and categorise user programs that are shared between IAA, stand alone and AUv3 instances - Option to export single programs and program banks from AUv3
Author ToneBoosters
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audio Unit (AU)

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

New version 6.2
Old version 6.1
Release Notes This update adds support for iOS 14, and adds a couple of fixes * The Car Mode screen has been improved to show larger album artwork. * The AudioBus setting has been moved to the Preferences page. 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

This is a AUv3 compatible audio compressor which can be used as plugin with your favourite DAW such as Cubasis, Meteor, Auria or GarageBand.

New price $3.99
Old price $4.99
Author 4Pockets.com
Type Effect
Effect type Compressor, Limiter, Gate
Supports Audio Unit (AU)

Create Ukulele tracks to your own chords in minutes with SessionBand - the chord-based audio loop apps.

New price Free
Old price $8.99
Author UK Music Apps Ltd
Type Instrument
Instrument type Sampler
Instrument sounds Strings
Supports Audiobus

Flux Liquid Audio is a real time multi-effects processor and sequencer.

New price $5.99
Old price $7.99
Author 4Pockets.com
Type Effect
Effect type All-in-one
Supports Audio Unit (AU)

Xequence is a MIDI sequencer, editor, arranger & controller for iPhone & iPad.

New version 2.2.14
Old version 2.2.13
Release Notes - Update Audiobus and Ableton Link SDKs. - New iOS 14 privacy restrictions now require user permission to be able to use Audiobus and Ableton Link. - Improve stability with iOS 14 and Audiobus as far as possible (there are still many compatibility and stability issues that have to be resolved by third party developers).
Author Alexander Ewering
Type Tool
Supports Audiobus, Ableton Link

Back in the “old days”, producers and engineers created delay and echo effects using tape machines. Tap Delay combines the warm sound of vintage tape echo machines with a modern, step sequencer-like tapped delay engine which continues the tradition of the tape echo machines into the 21st century.

New price $4.99
Old price $6.99
Author Harry Gohs
Type Effect
Effect type Reverb, Delay, Echo
Supports Inter-App Audio (IAA), Audiobus

Realistic Choir simulator ranging from simple Chorus emulation to full ensemble Choir with 128 members.

New price $2.99
Old price $4.99
Author Harry Gohs
Type Effect
Effect type Chorus, Flanger, Phaser etc.
Supports Audiobus

Matrix Vocoder transforms your voice into an electronic instrument.

New price $6.99
Old price $9.99
Author Harry Gohs
Type Effect
Effect type Vocoder
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU)

Slice your audio samples with ReSlice and create flexible musical atoms which can be triggered by MIDI notes or the touch of your fingers.

New price $9.99
Old price $14.99
Author Harry Gohs
Type Instrument
Instrument type Sampler
Instrument sounds Other
Supports Inter-App Audio (IAA), Audiobus, Audio Unit (AU), Ableton Link

iSyn Poly is an electronic music studio for use with Apple iPad. It places an number of features including three analog synthesizers and a drum machine.

New price $2.99
Old price $4.99
Author Harry Gohs
Type Host
Instrument type Sampler, Synth
Instrument sounds Keyboards, Drums, Percussion
Supports Audiobus

With a little musical knowledge, you can create an awesome song.

New version 1.5.7
Old version 1.5.6
Release Notes iOS 14 compatibility
Author AmoriyA
Type Host
Supports Inter-App Audio (IAA), Audiobus