iOS Musician Apps (281) Supported Technologies is Inter-App Audio (IAA), Type is Instrument

FM4 is a four operator FM synthesizer for iPad.

Oriental Strings is a professional sound module app for oriental keyboard players and for musicians who simply want to resemble the typical sound of the Middle East in their songs.

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.

Percussion Loops HD is a vast library with hundreds of percussion loops and samples, played by a pro and built for iOS only.

Vatanator is a unique drum machine with advanced MIDI functionality. It features 140 built-in presets emulating every classic vintage hardware.

Mix tracks in perfect sync on a powerful audio engine. Engineered & designed by Mixvibes, digital DJing pioneer for 15 years.

Navichord is a modern MIDI controller, working with software and hardware synths.

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

Compose original beats in the smooth one-window interface, record sound tweaks in realtime and sample your own sounds for direct use.

DrumJam is a whole new world of percussion and drums for the iPad, iPhone and iPod touch.

Additive synthesis is a sound synthesis technique that creates timbre by adding sine waves together. The timbre of musical instruments can be considered to consist of multiple harmonic or inharmonic partials or overtones.

Baervaag brings FM synthesis to the masses! An easy to use but still tweakable synthesizer, accessible to everyone.

Syndt is a polyphonic synthesizer with a lot of possibilities.

Slice and sequence your loops with a matrix of markov-chain connections. Introduce order with the probability based coin-flipping pattern sequencer.

Even if you've only played air guitar, ThumbJam lets you sound like a pro.  Pick an instrument and jam - with all the scales to choose from you'll never hit a wrong note.

Real live horns for your songs, played by the first call horn section in The Netherlands, the Jayhorns.

This synthesizer emulates male voice vowels in a unique way.

Jam Maestro is a powerful music composition tool for musicians interested in making guitar-centric music.