App: VAPoly
Developer: Ryo Togawa
Genres: Music

VAPoly is a virtual analog 8 voice polyphonic synthesizer for iPhone, iPad and Mac. VAPoly features built-in effects, built-in sequencer, parameter automation, oscilloscopes and spectrum analyzer. VAPoly works as a stand alone or as an Audio Unit Extension (AUv3).  Stand Alone supports Ableton Link, Bluetooth MIDI, MIDI IN/OUT and audio file export.

The synth features two oscillators, two ADSR envelopes, a high pass filter, a low pass filter and an amplifier per voice. The oscillators are capable of wide variety of modulation to shape the sound. The low pass filter is modeled on cascaded OTA filter circuit for classic analog sound. The Effects include delay, chorus, flanger, reverb, eq, and compressor.  The sequencer offers ability to program 16 bar pattern per clip for total 16 clips and parameter automation.  Project files can be saved in iCloud Drive to work on iPhone, iPad and Mac. 

Main Features

Virtual analog 8 voice polyphonic synthesizer

Sequencer
16 bar patterns per clip. Total 16 clips.
Parameter automation.

Audio Export
Linear PCM format (AIFF, WAV and CAF) and compressed format (AAC)

Support iCloud Drive.
Support Ableton Link, Bluetooth MIDI, MIDI In / Out.
Support Audio Unit Extension (AUv3)
Support Universal Purchase.  VAPoly works on iPhone, iPad and Mac.

System Requirements
- For iOS Devices, A10 Fusion or above is recommended.
- AudioUnit Extension (AUv3) requires host application which support AudioUnit Extension.
- AudioUnit Extension (AUv3) is supported by Apple Garage Band on iOS and macOS, and Apple Logic on Mac.  For any other DAW, it depends on the application and some of them don’t support AudioUnit Extension (AUv3).

Release notes:
Version 1.0.5 contains improvements and bug fixes.
- Fixed a problem that value of mod wheel when controlled by external device is incorrect.
- Support iOS 17 / iPadOS 17.