iOS Musician

List last updated: April 27, 2013 with one new app: MIDI MIND

1.  SoundPrism Pro (Universal) – What is SoundPrism Pro?
   *a professional composition tool and midi controller
   *an interactive generator for harmonic sound textures and epic cinema tracks
   *an intuitive way to visualize and internalize musical relationships
   *an innovative way to interact musically with geometric pitch space visualizations
2.  NLog MIDI Synth for iPhone and NlogSynth Pro for iPad – Professional Virtual Analogue Synthesizer supporting Core MIDI, WIST and interfaces from Akai, Alesis, Line6, IK Multimedia & others…
3. polychord (iPad) – Performable. Recordable. Polychord 2. A musical instrument for experts and beginners alike. Write songs, play music, record and share.
4.  Genome MIDI Sequencer (iPad) – Musicians can start tearing it up in the studio with Genome MIDI Sequencer (GMS), a powerful pattern based MIDI sequencer for the iPad. With GMS you can control all of your MIDI gear and apps* – sequence single patterns or an entire 16 track song.
5.  SlideControl (iPad) – Slide Control is midi keyboard controller application for musicians. It is the perfect iPad interface for easy improvisation. You can choose any scale (major, minor, pentatonic, blues …) and slide your finger to play any melody.
6.  SampleWiz (Universal) – Capture your sonic universe! Listen… Record… Create…
7.  MoDrum (Universal) – A beat-making app that features real-time synthesis of drum sounds that range from TR-808 style to real. As a synth and not sampler, sound characteristics can be tweaked from authentic to affected.
8.  BassLine (Universal) – Turn your iPhone, iPod touch, or iPad into a Bass Synthesizer and start rolling your own grooves with the unique sound of the legendary TB-303, the trademark of Acid House that influenced many different styles of electronic music!
9.  StepPolyArp (iPad) – StepPolyArp is a Midi step polyphonic arpeggiator. The arpeggiator does not play any sound itself, it transmits Midi notes to a Mac or a PC to be used in combination with any sequencer, virtual instrument (VSTi, Audio Unit) or Midi synthesizer.
10.  Hex OSC S (universal) – Hex OSC S is musical keyboard which has substantial 98 keys! It is now able to transmit OSC (Open Sound Control) for controlling your MIDI devices.
11.  Hex OSC Full (iPad) – Hex OSC Full is musical keyboard which has substantial 98 keys! It is now able to transmit OSC (Open Sound Control) for controlling your MIDI devices.
12.  FunkBox (Universal) – FunkBox is designed to look, feel, and sound like a classic beatbox from the 70s and 80s. It uses original audio samples taken directly from our own personal collection of vintage drum machines.
13.  Molten Drum Machine (iPad) – Molten is a powerful and intuitive tool for creating percussive sounds and rhythm sequences for the iPad.
14.  Sunrizer Synth – Sunrizer synth for iPad is a virtual analog synthesizer that takes the definition of iOS synthesizer to the next level.
15.  SunrizerXS Synth (iPhone) – Sunrizer synth for iPhone / iPod Touch is a virtual analog synthesizer that takes the definition of iOS synthesizer to the next level.
16.  SlideControl FS (iPad) – A iPad music application for performing and recording musicians. It creates the perfect iPad interface for easy improvisation. With 890 soundfont sounds to start with you have a full palette at your finger tips!
17.  MIDIVision (Universal) – A real-time MIDI capture, filter and analysis tool for iPhone, iPad and iPod Touch.
18.  Arctic Keys (iPad) – Arctic Keys is a virtual analog synthesizer. With a classic dual-oscillator subtractive synthesis design that gives you the sound creation flexibility we all know and love.
19.  Live Rig MIDI Controller (iPad) – Musicians, now you can turn your iPad into a clean, small, sophisticated midi controller that remotely manipulates your DAW, your plug-ins, any sounds or effects on your computer while you play, without having your computer in front of you, AND without the pesky and troublesome wires.
20.  Addictive Synth (iPad) – It was never so easy to create beautiful sounds and driving loops. The unique dynamic wavetable synthesis allows you to explore an unprecedented wide range of sonic territory.
21. BeatMaker 2 (Universal) – Combining music production tools that were behind the success of countless artists, BeatMaker 2 is a powerful, easy-to-use composition interface for amateurs and professionals alike.
22.  Geo Synthesizer (Universal) – Geo Synthesizer is a musical instrument and MIDI controller. A collaboration of Wizdom Music’s Jordan Rudess and Kevin Chartier (MorphWiz, SampleWiz) and Rob Fielding (Mugician), Geo Synthesizer is an incredibly expressive musical instrument specifically created for a multitouch surface.
23.  ProKeys – Pro Keys is a multi-instrumental polyphonic keyboard equipped with sounds of legendary synthesizers. Application features unique and truly playable interface with 2 independent piano/drum keyboard modules and 17 studio quality presets.
24.  FreEWI Audeonic Apps (Universal) – FreEWI (pronounced free-wee) was designed as a free add-on for MidiBridge for EWI players, but can be used by anyone who needs to map MIDI events between apps. For mapping to/from external MIDI interfaces (or CoreMIDI network), MidiBridge is required.
25. Coming soon! video – Music Studio (Universal) – Music Studio offers a complete music production environment for the iPad/iPhone/iPod touch with features and a sound quality previously only known to desktop applications and expensive audio hardware.
26.  ThumbJam (iPhone and iPad) – ThumbJam is a powerful musical performance experience. You get over 30 high-quality real instruments multi-sampled exclusively for this app. Hundreds of included scales allow you to effortlessly play in any style from rock to classical, whether you are a musical novice or a seasoned professional.You can also control other apps via Virtual MIDI with your voice, detected by ThumbJam.
27.  SHREDDER – Synth for Guitar (iPad) and SHREDDER for iPhone – Say hello to SHREDDER: the first professional iOS synthesizer designed for guitar! Raspy synth swells? Gotcha covered. Bass-doubled riffs? Yup. Strings ‘n Things for beefing up the mix? Ditto. Luscious chords with the pick of one note? Sure thing. No special synth pickup needed.
28.  NodeBeat and NodeBeat HD – Make music creations with NodeBeat, the intuitive and fun visual music app for all ages. Whether you’re 5 or 105, NodeBeat will make you sound like a pro. Create your own music in a matter of minutes or listen to NodeBeat generate its own.
29.  iVoxel – iVoxel is not only an amazingly sounding vocoder – the unique concept of iVoxel turns this vocoder into a singing machine. iVoxel is a combination of a voice optimized synthesizer and a vocoder. The vocoder part is based on the Matrix vocoder from VirSyn used by many famous artists – one of them the well known German group Kraftwerk.
30.  Instrumental (iPad) – Instrumental turns your iPad into a flexible MIDI input device that you can use with any MIDI software running on your Mac or Windows PC, such as Reason, Ableton Live, Reaper, Cubase, etc. With additional hardware such as IK Multimedia’s iRig MIDI you can also control MIDI hardware.
31.  Animoog (iPad) – Animoog, powered by the new Anisotropic Synth Engine (ASE), is Moog Music’s first professional polyphonic synthesizer designed exclusively for the iPad. ASE allows you to move dynamically through an X/Y space of unique timbres to create a constantly evolving and expressive soundscape.
32.  Animoog (for iPhone) – Must have iPhone 4, 4S or iPod Touch 4th generation minimum. Animoog is Moog Music’s first professional synthesizer for iOS devices, and was the first music app in history to hit number one in the App Store on the day of release. Additionally, in the 2011 App Store Rewind, Apple named Animoog one of the best apps of the year.
33.  Lemur – Lemur – the legendary multitouch MIDI/OSC controller returns. All these major artists can’t be wrong: Daft Punk. Björk. Nine Inch Nails, Deadmau5. M.I.A., Justice, Hot Chip, Ryuichi Sakamoto, Orbital, Richie Hawtin, The Glitch Mob, Matthew Herbert, Joris Voorn, Stephan Bodzin, Modeselektor, Alva Noto, Richard Devine, Gui Boratto, … you?
34.  Sample Lab (iPad) – Sample Lab is a full-featured sampler/sequencer made exclusively for iPad. With a professional set of features packed into a simple, multi-touch interface you can skip the learning curve and start making tracks within minutes.
35.  Grain Science (iPad) – Grain Science is a beautiful synthesiser for iOS. Designed for musicians, soundscape artists and SFX engineers who want to go beyond our Sylo Synthesiser, Grain Science is built on similar principles of granular synthesis, but is vastly more powerful. Unlike many “experimental” granular apps, Grain Science mixes it up with traditional synthesis techniques to make an exciting hybrid synthesiser.
36.  Organ+ (Universal) – Organ+ comes with 7 different organ engines that faithfully recreate the sounds of celebrated transistor and tonewheel organs. The sweet FX stack –with dual chorus/vibrato, vintage-y reverb, overdrive and more– lets you create ample variation, and hone in on *that* sound.
37.  SHREDDER for iPhone – Synth for Guitar – the first professional iOS synthesizer built for your guitar: now custom designed for your iPhone and iPod Touch.
38.  Little MIDI Machine (iPhone and iPad) – Little MIDI Machine is an analog-style MIDI step sequencer app for CoreMIDI and/or the Line 6 MIDI Mobilizer interface.
39.  Changeling Sequencer (iPad) – Changeling is the super easy, flexible, diatonic chord sequencer. It’s purpose is to help people enjoy composing music by providing the basic tools to improvise!
40.  Orphion (iPad) – A musical instrument with a unique sound between string instrument and percussion. Everyone can play expressive, wonderful sounds and easy or virtuosic melodies on it just by moving fingers on virtual pads.
41.  bs-16i (iPhone and iPad) – bs-16i is a 16 multi-timbral playback sampler. It supports SoundFont, and can be used for keyboard instrument, MIDI sound module, and MIDI player. The sampler engine is ported from bs-1 / bs-16, which is developed as professional plug-in for Logic (Audio Units) and Cubase (VST instrument).
42.  Crystal Synth XT (iPhone and iPad) – A full featured semi-modular synthesizer, ideally suited to creating lush evolving sound scapes. Crystal VST has long been a popular synthesizer on the desktop, and Crystal XT brings that same powerful synthesis engine to the iPad and iPhone.
43.  shapesynth (iPhone) – Shape is a polyphonic synthesiser allowing the user to draw the shape of the oscillator waveform. The positive side of the oscillation is represented by 32 blocks and the negative side is its mirror, generating all sorts of possible raw retroish sounds. Shape is best experienced with Akai SynthStation 25.
44.  TB MIDI Stuff (iPad) – TB MIDI Stuff is a full-featured modular MIDI & OSC control surface for iPad. You can design your own pages with sliders, knobs, faders, drum pads, XY pads, multitouch XY pads, ribbons or jog wheels with the built-in editor (no computer needed !), or you can use the three built-in controllers : a keyboard with arpeggiator and some other cool features, a pads controllers with configurable pads banks or a 16 channels mixer.
45.  TB MIDI Tiny Stuff (iPhone) – TB MIDI Tiny Stuff is a tiny full-featured modular MIDI & OSC control surface for iPhone and iPod Touch.
46.  Symphonix Evolution – Whether you’re an experienced musician or a learner, Symphonix Evolution is a powerful tool that helps take your music to a whole new level. Create music by dragging notes directly onto the score, and record or playback via MIDI devices or using the inbuilt virtual synthesizer.
47.  Brainwave Sequencer – Brainwave is a clip based MIDI sequencer. Bring your melodies and drum beats into life with the streamlined and intuitive MIDI clip editor. Assemble and arrange entire songs with the Arrangement editor. Control up to 16 instruments using the built-in sampler.
48. Midi Mandala – A wireless Midi controller for iPod/Touch, iPhone, and iPad.
49.  CASSINI Synth for iPhone – Polyphonic Synthesizer for iPhone/iPod touch: 3 OSCs + 2 Filters + AMP + 9 EGs + 6 LFOs + 3band EQ + Saturator + 2 Delays + Arpeggiator
50.  brother – Brother is a polyphonic cleaner brother of shapesynth, which comes with 4 preset waveforms. It is both capable of running on its own with background audio and core MIDI or as a slave to shapesynth.
51.  Beatsurfing – The organic midi controller builder.
52.  Keyboard Arp & Drum Pad – A Core MIDI application that transmits notes to external MIDI instruments and includes a keyboard, arpeggiator and assignable drum pads.
53.  Cantor - A Microtonal Guitarist’s synth, designed for extreme playability on the iPhone and iPad. It is the successor to Geo Synthesizer and Mugician.
    Does not necessarily work with all iOS synths: Receiving app basically requires multi-timbral behavior. ThumbJam, Arctic Keys, SampleWiz, all work well. More info: video, blog post
54. MIDI Guitar – Turn any guitar into a polyphonic guitar-synthesizer or record tablature by playing it.
55.  Coming after v2.0 MIDI Studio – Midi Studio is a fantastic midi controller app that do not provide a sound but to control the sound in the studio.
56.  VoxKit – Voxkit is a MIDI drum controller with a twist. In addition to touch pads on the screen, you can trigger notes with sound. Clap your hands, tap a pencil on a desk, or use your voice — Voxkit detects the tone of the sound, to trigger a sample from the app, or a MIDI note.
57.  MIDI Designer – Imagine the perfect MIDI rig. Create it with MIDI Designer on iPad. MIDI Designer is the ultimate way to control hardware and software synths, effects, and DAWs (like Ableton, Cubase, Reaper, Logic). And, via the “Pedalboards” feature, MIDI Designer is the ultimate hardware-software hybrid.
58. Magellan – Magellan is the bold new professional analog modeling synthesizer for the iPad. Not content with just one synth, we gave Magellan TWO independent polyphonic synth engines. Individually or together, they deliver a new powerful warmth to the sound of iOS music.
59. CASSINI Synth for iPad – Polyphonic synthesizer for iPad… 3 OSCs + 2 Filters + AMP + 9 EGs + 6 LFOs + 3band EQ + Saturator + 2 Delays + Arpeggiator
60.  DrumJam – DrumJam is a whole new world of percussion and drums for the iPad, iPhone and iPod touch. Designed by award winning international percussionist Pete Lockett and Sonosaurus LLC, the developer of ThumbJam, this app is a real first for percussion.
61. DXi FM synthesizer - DXi is a FM synthesizer application inspired by 80′s most popular FM synthesizer. You will enjoy creating sounds as well as playing music with this application.
62. [Virtual MIDI in & out as of v2.0] PPG WaveGenerator The latest development from the inventor of wavetable synthesis, Wolfgang Palm. It is a next generation synthesizer, building on the heritage of the PPG Wave keyboards.
63. FL Studio Mobile & FL Studio Mobile HD – FL Studio Mobile allows you to create and save complete multi-track music projects on your iPhone or iPod Touch. You can even load the FL Studio Mobile projects into the ‘FL Studio Desktop PC’ version* and take them to the next level.
64. Chordion – A new and intuitive way to make music with your iPad. Choose a chord with one hand and play melodies with the other. Never hit a wrong note!
65. Music Studio - A complete music production environment for the iPad/iPhone/iPod Touch with features and a sound quality previously only known to desktop applications and expensive audio hardware.
66. Gestrument – Improvise or compose within the scales and rhythms you choose. Use parameters like pulse density, scale morphing, rhythm randomness or pitch fluctuation to find new paths for your musical expression and creativity. Use the tutorials or define your own settings to fit the musical style you want to play and compose in. Play on up to eight instruments at once – all with different individual settings.
67. Audulus – Build synthesizers, design new sounds, or process audio. All with low latency real-time processing suitable for live performance. Audulus’s user interface is clean, simple, and easy to learn, allowing you to focus on sound.
68.  Magellan Jr – A bold new professional analog modeling synthesizer for the iPad. Not content with just one synth, we gave Magellan TWO independent polyphonic synth engines. Individually or together, they deliver a new powerful warmth to the sound of iOS music.
69. KORG iMS-20
70. KORG iELECTRIBE
71. KORG iELECTRIBE Gorillaz Edition
72. KORG iPolysix
73. KORG iKaossilator
74. Musix Pro
75. Sonic Logic
76.  sir Sampleton – A sampling musical keyboard similar to Casio and Yamaha samplers from the 80s. The app allows you to record sounds through the microphone and then play them on dual piano keyboards accompanied by a rhythm machine.
77.  PPG WaveMapper - A second synthesiser to compliment the already loved PPG WaveGenerator from Wolfgang Palm. PPG WaveMapper allows the user the opportunity to create limitless sounds from this unique and powerful new technology…
78.  SequenceApp - Sequence is a new circular audio sequencer using the euclidean algorithm. Perfect for making polyrhythms, Sequence works well to create all kinds of electronica and techno.
79.  Unity Synthesizer - Unity synthesizer can create professional quality synth sounds with on screen or external MIDI keyboard. The base configuration includes two synth engines (Retro AS-1 analog and Unity DS-1 sample playback) and twenty three audio effects, along with seven sound banks including General MIDI, Best of Retro AS-1, Pipe Organ, Rock Pop drum and percussion loops banks. An arpeggiator, sequencer, and scales can be used for real-time MIDI playback.
80.  Konkreet Performer - PERFORMER uses a shape that is a visual representation of the sound, which you can sculpt using multitouch and gestures, giving a completely new and dynamic method of musical expression.
81.  Pro Chords - ProChords is a unique iPhone application developed to write songs with professional chord progressions, in an easy and intuitive way. In the process of writing a song, ProChords offers an extensive variety of options as to what chord could be played next, after the sequence of chords you have already chosen during a writing process of a new song.
82.  Live Guitar - Live Guitar is designed to support playing complex chords, arpeggios, and finger-style guitar lines on your iOS device. Because the iPhone and iPad are not shaped like the neck of a guitar, the app provides an innovative way of selecting chords, while also leaving enough room to play individual strings accurately and expressively.
83.  iFretless Guitar - iFretless is a guitar fretboard, completely re-designed for maximum playability on iOS devices. It replaces two handed playing and strumming with a one-touch-per-note design that enables fast, precise playing of melodies, scales, and arpeggios and real-time control over the pitch of each individual note.
84.  iMIDIPatchbay - Organize your whole MIDI setup from one central point. Do you often divide your keyboard into zones to assign different sounds which might come from external sound expanders? Do you want to integrate your music making apps into your live gear? Well, then iMIDIPatchbay is definitely the right tool for you…
    Lite version available
85.  iMini - The iMini is a recreation of the classic 1971 Minimoog synthesizer, one of most iconic synthesizers of all time. Based on the TAE technology, found in our award winning Mini V software, iMini offers a level of sound quality never before found on the iPAD as well as over 500 sounds by leading sound designers.
86.  MiniMapper - The latest development from the inventor of wavetable synthesis, Wolfgang Palm. It is a next generation synthesizer, building on the heritage of the PPG Wave keyboards. PPG MiniMapper is an easy to use performance synthesizer with a wide range of sounds for iPhone and iPod Touch.
87.  SunVox - A small, fast and powerful modular synthesizer with pattern based sequencer.
88.  New! MIDI MIND - A MIDI interactive note device. Allows a MIDI input to produce a multiple output of Harmonies and rhythm, based on the users defined parameters.

Did I leave anyone out? Did a new app join the club? Comment below!