iOS Musician Apps (317) Supported Technologies is Inter-App Audio (IAA), Type is Instrument

GarageBand is a DAW by Apple.

Sing a beat and have it automatically and instantly converted to a drum machine beat!

SK-51 is an all-in-one keyboard inspired by the Casio SK-1 (and his brother the SK-5), a 8-bit lo-fi keyboard from the 80’s, with sampling features and onboard drum machine.
Called the poor man's sampler at the time, this keyboard was a real instrument and has been used by many major artists such as Fatboy Slim, Portishead, Autechre and Nine Inch Nails.

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

Musyc is a fun and innovative music application where touch turns into music.

DM1 is an advanced vintage Drum Machine.

Chorus Sampler is an advanced, easy-to-use sampler.  It features sample recording, cropping, audio importing/exporting, looping, and configurable per sample effects.

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

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.

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

Play the Traditional Irish Bagpipes on your iPad.

My TalaVadyam transforms your iOS device into your very own Tala Vadyam (Carnatic percussion instrument).

iDousyn is a Mobile Instrument App with a lot of high quality sounds selected for different musical genres.

bs-16i is a 16 multi-timbral playback sampler. It supports SoundFont and DLS (Downloadable Sounds, and can be used for keyboard instrument, MIDI sound module, and MIDI player.

The Streetlytron '63 Edition : genuine Mellotronics for your iPhone and iPad.

The concert quality piano app.

iSpark is an all-inclusive beat-making solution allowing to create rich tracks from A to Z while experiencing an unequaled workflow.

The concert quality piano app.