iOS Musician Apps (205) Instrument Sounds is Keyboards

Syndt is a polyphonic synthesizer with a lot of possibilities.

Create piano backing tracks for any song in minutes with the chord-based audio loop app.

Branches is a semi-modular synthesizer inspired by classics of the past. It runs both as a standalone instrument with support for external MIDI input or as a plugin (AUv3) in your favorite DAW app.

The concert quality piano app.

For all creatures in the ocean of sound - Sonic textures from other worlds, Analog signature sounds,  Cut-through-the-mix leads and silkily smooth pads.

The sound generator inside the synthesizer is producing the exact wave form as the one you have created.

Electro-Harmonix, a pioneer since 1968 in the field of sound effects pedals for musicians, has produced an app which is a faithful digital re-creation of their circa 1980 analog cult-classic, The MINI-SYNTHESIZER.

Chiptunes Pro lets you make retro music the way it should be made - with chips. Build your circuit to lay down drum beats, basslines, and tunes.  No knowledge of electronics needed.

Orphion is a musical instrument with a unique sound between string instrument and percussion.

WoodSynth is a synthesizer with 4 independent layers. Each layer is in fact a synthesizer on its own.

Nanologue boasts a wide scope of inspiring sounds and professional sound effects, sporting a straightforward multi-touch interface and a great-sounding monophonic synthesizer.

VOSIS is a synthesizer that uses scanned synthesis of greyscale image pixel data from photos or live video input. It is also a tool for image audification/sonification and visual music performance.

SquareSynth is a hybrid analog/8bit style synthesizer. It takes features from the NES console, and the Commodore 64 personal computer.

Designed to deliver authentic dub sounds and effects, iTALIZER at it's heart is a monophonic synthesizer paired with an authentic tape echo emulation.

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

iSEM is a recreation of the classic 1974 Oberheim SEM (Synthesizer Expander Module), one of the world's first self-contained synthesizer modules and the first to bear the "Oberheim Electronics" name.

DIGITALISM 2000 is a new vintage synth module featuring exclusive sounds recorded from Digital Synths from the early 2000s. Retro and modern.

SpringSound is a physical-modeling audio synthesizer that produces sounds by simulating interactions and vibrations of a set of activators and masses connected to springs.

Playset is an intuitive drum and synth sequencer, designed for instant fun and live music.

GrainProc is a real-time granular synthesizer with which you can create new sounds and musical textures by affecting your voice, your instrument, or any input.