VAPolyBass
Polyphonic Synthesizer
USD 6.99
*** VAPolyMk5 Introduction Sale 60% Off until Apr 30. (Regular Price $14.99) ***
VAPolyBass features -24 dB per octave transistor ladder low pass filter and it is designed for playing with step sequencer. This polyphonic synthesizer consists of three oscillators, resonant low pass filter resonant high pass filter, amplifier, ADSR envelope and five LFOs.
VAPolyBass operates as a stand alone or as an AudioUnit Extension (AUv3) for iPhone, iPad and Mac. Stand Alone supports Ableton Link, MIDI and audio file export. Built-in Effects include delay, chorus, flanger, reverb, eq and compressor. Project files can be saved in iCloud Drive, so that the project can be accessed from iPhone, iPad or Mac.
Main Features
- Polyphonic Synthesizer.
- Lowpass filter modeled on -24dB per oct transistor ladder filter.
- Analog style step sequencer.
- Maximum 8 voice polyphony. it depends on performance of the device it is running.
- Built-in effects and piano roll sequencer.
- Audio Export. Linear PCM format (AIFF, WAV and CAF) and compressed format (AAC)
- Support Audio Unit Extension (AUv3).
- Support MIDI 2.0. Support Foot Pedal.
- Support Ableton Link, Bluetooth MIDI, MIDI In / Out.
- Works on iPhone, iPad and Mac. Support iCloud Drive to share project files between the platforms.
- Factory Preset: 128, Effects: 40
Improvements
- Support MIDI Foot Pedal (CC#11, CC#64)
- MIDI CC Settings are saved. It will be recovered when the app launched in the next time.
- UI Color can be selected from black, navy, gray or steel.
System Requirements
- iOS 17.0 or later
- Devices with Apple Silicon are recommended. A13 Fusion or above is highly 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.
- Sound may be distorted if CPU of the device doesn't have enough power. If it happens reduce number of voices.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
The developer, Ryo Togawa, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Ryo Togawa
- Size
- 16.9 MB
- Category
- Music
- Compatibility
Requires iOS 16.6 or later.
- iPhone
Requires iOS 16.6 or later. - iPad
Requires iPadOS 16.6 or later. - Mac
Requires macOS 13.5 or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Ryo Togawa
