Cassini for iPhone Updated with Audiobus

Cassini for iPad was updated with Audiobus last month, and now Cassini for iPhone joins it. To celebrate, it is also on sale!

What's new in Cassini for iPhone v1.2.1:

  • Added Audiobus support: Now you can stream live audio directly to other Audiobus-compatible apps!
  • Added new 8bit waveforms to oscillators.
  • Added glitch noise oscillator.
  • Added support for 4-inch retina display.

Buy CASSINI Synth for iPhone on iTunes: $2.99 (On Sale, from $4.99)

Modular Synthesizer Noise Quartet

MATRIXSYNTH found this Modular vs modular synth jam by flx04, featuring an absurd amount of synths and some nice video work.

Video Description:

New modular synth jam! :) I synced* the Pulse Code Modular iOS app with my Eurorack, Tinysizer and LushOne to create a huge, interconnected, drony modular synth noise mess. All sounds and sequencing done with this one patch. The Vermona analog drum machine is also CV-triggered by the Eurorack for some additional drum sounds.

* I used LFO pulses as a clock, going out of the iPad's right audio channel. The left channel provided the sounds from the Modular app, going into the rest of the synths.

Gear used in this video:

  • Modular Synth iOS app running on an iPad 3 with the Behringer U-Control UCA 202 USB audio interface
  • Anyware Tinysizer Modular Synth
  • LushOne Modular Synth
  • Eurorack Modular Synth
    (Doepfer, Flight of Harmony Sound of Shadows, Plague Bearer, DinSync Modseq, Stoicheia, Turing Machine, Koma Kommander, DIY stuff, etc.)
  • Vermona DRM-1 mkIII analog drum machine
  • Yamaha AW1600 for recording

Filmed with a Canon EOS 550D (Rebel t2i) and a GoPro HD Hero1.

Buy Modular Synthesizer on iTunes: Freemium ($5 Unlock Bundle)

Xkey Plus

CME have released Xkey Plus for iPad, a free companion app to their XKey keyboard. This exposes a lot of the under-the-hood settings, so you don't need to connect to your desktop to change things; like the velocity curve.

This app is dedicated to CME Xkey musical keyboard. It is an ideal companion to your mobile keyboard.


  • Check for new Xkey firmware
  • Velocity curves editor
  • In-depth configuration of Xkey sensitivity & timings (advanced users)
  • Access to all Xkey parameters (advanced users)
  • Possibility to configure new assignments to all keys & buttons (preliminary)
  • Direct access to Xkey documentation & support


  • Xkey musical keyboard
  • USB cam kit or lightning cable
  • Compatible with iPad (iOS 5 or later)

Buy Xkey Plus on iTunes: Free

Tutorial: Intro to Modular (Part 2)

Following the release of Modular yesterday, I present Part 2 of my Modular tutorials. This time I get a bit more advanced and explore how modules, and the signals they generate, can be modified for use in different ways.

Buy Modular Synthesizer on iTunes: Freemium ($9 Unlock Bundle)


I've seriously lost track of how many new apps Twisted Electrons has released in the last two months. Four? Five?
Here is another one, offering interpolation morphing and Audiobus! Sadly, there are no demos. Update: Found a demo!

Interpol iTunes Description:

Interpol is the monosynth with dual personality! Create two sound setups and morph seamlessly between them with the cross-fader. Shift from a harsh growls to warm luscious pads and anywhere in between!

Whether you are morphing waveforms, filter types, or chord structures, interpol will provide a unique touch to your creations with this original approach to synthesis.

The 6 voices can either be set to de-tunable unison or you can choose between 8 chord structures. When morphing between chords, the notes glide like polyphonic portamento, great for atmospheric sounds!

Over 40 parameters can be merged and all seamlessly and in real time.

Interpol also features audiobus and midi and you can save and load your favorite presets.

Buy Interpol on iTunes: $2.99

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