What's New

Version 1.2.0 contains improvements and bug fixes.
- Added 150 factory presets.
- Fixed a problem that audio visualizer doesn’t update properly when note is changed.
- Fixed a problem that patch connections are not updated when factory preset is changed.

App Description

VAPolyMkII is a virtual analog bitimbral polyphonic synthesizer for iPhone, iPad and Mac. It features 16 voice synthesizer, effects, sequencer and audio visualization tools. It operates as a stand alone or as an AudioUnit Extension (AUv3). Stand Alone supports Ableton Link, MIDI and audio file export.

The synthesizer consists of two 8 voice synthesizer, which features two oscillators, two ADSR envelopes, resonant high pass and low pass filter and an amplifier per voice. The oscillators features continuously variable wave shape and wide variety of modulation. The filters are modeled on the Sallen-Key filter circuit and cascaded OTA filter circuit for classic analog sound. The Effects include delay, chorus, flanger, reverb, eq and compressor. The sequencer features piano roll and parameter automation editor to program 16 bar pattern per clip. Project files can be saved in iCloud Drive, so that the project can be accessed from iPhone, iPad or Mac.

- Main Features -
Virtual analog 16 voice bitimbral polyphonic synthesizer
Two type of Lowpass filter, cascaded OTA model and Sallen-key model.
Patch points for modulation.
Support MIDI 2.0
New User Interface built by SwiftUI for improved performance and to ensure compatibility of future OS.
Built-in Sequencer. 16 bar patterns per clip. Total 8 clips. Piano Roll and Parameter automation.
Support Audio Unit Extension (AUv3)
Works on iPhone, iPad and Mac. Support iCloud Drive to share project files between the platforms.
Audio Export. Linear PCM format (AIFF, WAV and CAF) and compressed format (AAC)
Support Ableton Link, Bluetooth MIDI, MIDI In / Out.

- System Requirements -
A13 Fusion or above is recommended.
AudioUnit Extension (AUv3) requires host application which support AudioUnit Extension.
AudioUnit Extension is supported by Apple Logic and Apple Garage Band on iOS and macOS. For any other DAW, it depends on the application and some of them don’t support AudioUnit Extension.

iPhone Screenshots

(click to enlarge)

VAPolyMkII screenshot 1

iPad Screenshots

(click to enlarge)

VAPolyMkII screenshot 2 VAPolyMkII screenshot 3 VAPolyMkII screenshot 4 VAPolyMkII screenshot 5 VAPolyMkII screenshot 6 VAPolyMkII screenshot 7 VAPolyMkII screenshot 8

App Changes

  • January 31, 2024 Initial release
  • February 02, 2024 New version 1.0.1
  • March 19, 2024 New version 1.0.10
  • March 19, 2024 Price increase: $5.99 -> $14.99
  • March 26, 2024 Price decrease: $14.99 -> $5.99
  • April 24, 2024 New version 1.2.0

Other Apps From Ryo Togawa

VADrumSM ChStrip ChannelEqualizer TfxEcho TfxMod TfxReverb VAMono VADrum2 VAPoly VAPoly16