Caustic

Caustic 3 is a music creation tool inspired by rack-mount synthesizer/sampler rigs.
Everything is real-time and optimized for mobile devices.
Create your rack by adding up to 14 machines from a choice of:
* Subsynth - Virtual analog subtractive synthesizer
* PCMSynth - Multi-sample wave synthesizer
* BassLine - 303-like monosynth
* BeatBox - 8-channel sampling drum machine
* PadSynth - Harmonic table pad synthesizer
* 8BitSynth - 8bit equation solver synthesizer
* Modular - Fully configurable and routable synthesizer
* Organ - Tonewheel organ with rotary speaker
* Vocoder - 8-band harmonic vocoder
* FMSynth - DX-style 3-operator fm synthesizer
* KSSynth - Karplus-Strong string modeling synthesizer
* SawSynth - Supersaw-type synthesizer
The app also includes:
* Effects rack supporting 2 effects per machine (20 effect types).
* Mixer desk with EQ, panning and global Delay/Reverb effects.
* Master section with effect slots, parametric EQ and limiter.
* Song sequencer
AudioBus support for Input and Output slots.
AudioCopy Paste + AudioShare support for import and export.
Supports automation recording on most controls and includes powerful editors for modifying automation curves.
Users can record their own WAV files for use in the PCMSynth, BeatBox, and Vocoder or import files through iTunes file sharing, ACP, AudioShare, or the built-in FTP server.
Supports all uncompressed WAV files (8-16-24-32bit, any sampling rate).
The PCMSynth can also load SoundFont files (.sf2), SFZ and FL/Xewton instruments (.instr, .ZIP)
"Open In.." import support for all preset types, .WAV, .SF2 and .MID.
(MIDI (.mid) files can be imported as raw sequencer note data.)
Supports CoreMIDI and virtual MIDI for note, velocity and CC data. (be sure to set "Enable background audio" in advanced options to use virtual MIDI)
See the in-app help section for dozens of informative tutorial videos and full online manual.
There is also a FREE (full version) PC/Mac version available for download on the product website.
Come visit www.singlecellsoftware.com to download more presets, request features, share your tracks and hear what others are creating with Caustic 3.
Works on iPhone/iPod but iPad is recommended.