# VAPolyMk5 — Polyphonic Synthesizer > Bitimbral polyphonic synthesizer with advanced sequencers and effects. (iPhone/iPad app by Ryo Togawa.) - Source: https://appshunter.io/ios/app/vapolymk5/id6761029576 (this page in markdown: same URL + `.md`) - Developer: [Ryo Togawa](https://appshunter.io/developer/1474193056) - Category: Music - Price: $5.99 (on sale, was $14.99) - Age rating: 4+ - Requires: iOS 16.6 · 21 MB - Languages: American English - Released: 2026-03-25 - Data updated: 2026-09-05 - Monetization: paid - User reviews in markdown: https://appshunter.io/ios/app/vapolymk5/id6761029576/reviews.md ## What is VAPolyMk5? VAPolyMk5 is bitimbral polyphonic synthesizer. Main feature of Mk5 is re-designed step sequencer which contains one note sequencer and three modulation sequencers. Oscillator feature hard sync and through zero FM. Low pass Filter is modeled on cascaded OTA -24dB per octave low pass filter circuit. Each synthesizer consists of three oscillators, resonant low pass and high pass filter, amplifier, three envelope generators, two LFO and key tracking. Two synthesizers can be configured as layer or split. Mk5 also features global LFO, output morphing, classic ring modulator and easy target assignment for mod wheel and aftertouch. VAPolyMk5 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 Bi-timbral Polyphonic Synthesizer Oscillators feature hard sync and through zero FM. Low pass Filter is modeled on cascaded OTA -24dB per octave low pass filter circuit. Re-designed step sequencer Re-designed offset control Improved output morphing. Improved classic ring modulator. Improved key tracking Easy target assignment for mod wheel and aftertouch 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 and Per Note Control. Support Ableton Link, Bluetooth MIDI, MIDI In / Out. Works on iPhone, iPad and Mac. Support iCloud Drive to share project files between the platforms. General Improvements Support MIDI Foot Pedal (CC#11, CC#64) Support MIDI2.0 Per Note Control Messages 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 blown. Adjustable text size for title of controls Factory Preset 208 Synth CH Preset 256 Effect Preset 40 Default & Macro 8 System Requirements iOS 17.0 or later macOS 14.0 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 or enable Low Power Mode in setting panel. App launches in Low Power Mode in the first time on device with iOS earlier than iOS 18.0 as mono-timbral. ## Key features - Bitimbral polyphonic synthesis - Re-designed step sequencer - Hard sync and through zero FM oscillators - Cascaded OTA low-pass filter - AudioUnit Extension (AUv3) support - Ableton Link and MIDI 2.0 support - Built-in effects suite ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/vapolymk5/id6761029576/reviews.md ### 5/5 — Great Synth, Sonically Brilliant *2026-04-29* The VAPolyMk5 is a great sounding synth but I have found the Pitch Bend range parameters are not exposed and is permanently locked at 1 octave up and down, but using the KeyStage Keyboard Controller app to bend just 2 semitones when using a MIDI keyboard is brilliant. This is a first rate Synth App ## Frequently asked questions about VAPolyMk5 ### What is VAPolyMk5? VAPolyMk5 is a bitimbral polyphonic synthesizer application. It offers advanced synthesis features, a re-designed step sequencer, and operates as a standalone app or an AudioUnit Extension (AUv3). ### What are the main synthesis features of VAPolyMk5? Each synthesizer in VAPolyMk5 includes three oscillators with hard sync and through zero FM, a cascaded OTA -24dB per octave low-pass filter, an amplifier, three envelope generators, two LFOs, and key tracking. ### Can VAPolyMk5 be used with other music software? Yes, VAPolyMk5 supports AudioUnit Extension (AUv3), which is compatible with DAWs like Apple Logic and GarageBand on iOS and macOS. It also supports Ableton Link, Bluetooth MIDI, and standard MIDI In/Out. ### What operating systems does VAPolyMk5 support? VAPolyMk5 is available for iPhone, iPad, and Mac. It requires iOS 17.0 or later and macOS 14.0 or later. Devices with Apple Silicon are recommended for optimal performance. ### How much does VAPolyMk5 cost? VAPolyMk5 is a paid application priced at $5.99. There are no in-app purchases or subscription fees associated with its use. ### Does VAPolyMk5 have ads? No, VAPolyMk5 does not contain advertisements. As a paid application, it provides an uninterrupted user experience. ### How often is VAPolyMk5 updated? The latest version of VAPolyMk5 is 1.0.7, last updated on May 26, 2026. While specific update frequency isn't detailed, the developer actively maintains the application. ### What audio export formats does VAPolyMk5 support? VAPolyMk5 supports audio export in Linear PCM formats (AIFF, WAV, and CAF) as well as compressed formats like AAC. ## Version history (last 5 releases) ### 1.0.7 — 2026-05-26 Version 1.0.7 contains bug fixes and improvements. - Fixed a problem of recording notes in piano roll editor. ### 1.0.6 — 2026-04-28 Version 1.0.6 contains bug fixes and improvements. - Made a change to apply glissando before fine-tune, detune and vibrato. ### 1.0.5 — 2026-04-23 Version 1.0.5 contains bug fixes and improvements. - Fixed a problem that portamento time can't be changed correctly. ### 1.0.4 — 2026-04-21 Version 1.0.4 contains bug fixes and improvements. ### 1.0.3 — 2026-04-13 Version 1.0.3 contains bug fixes and improvements. ## More apps by Ryo Togawa - [VADrumSM](https://appshunter.io/ios/app/vadrumsm/id1474193057) - [ChannelEqualizer](https://appshunter.io/ios/app/channelequalizer/id1513527511) - [ChStrip](https://appshunter.io/ios/app/chstrip/id1518510831) - [TfxEcho](https://appshunter.io/ios/app/tfxecho/id1523777426) - [TfxMod](https://appshunter.io/ios/app/tfxmod/id1524639578) - [TfxReverb](https://appshunter.io/ios/app/tfxreverb/id1529840178) All apps by Ryo Togawa: https://appshunter.io/developer/1474193056 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-05.*