Jacquardi vs VAPolyMT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Jacquardi
This app generates analog-like envelope signals via MIDI CC, allowing users to modulate parameters of other compatible music plugins. It acts as a MIDI module for creative sound shaping without producing its own audio.
- Generates analog-like envelope signals
- Sends MIDI CC for parameter modulation
- Works with 3rd-party AUv3 plugins
- Requires MIDI routing host (AUM, apeMatrix)
- Modulates filter cutoff and other parameters
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Concept: "Jacquardi" is an AUv3 instrument that does not make any sounds but just sends out analog-like Envelope signal via MIDI Control Change (MIDI CC). That is, the app is a MIDI module of envelope generator. The user can use it for modulating any parameter of 3rd-party’s plugin that can be assigned to MIDI CC , for example, filter cutoff. Usage: Just assign MIDI keyboard to Jacquardi's MIDI IN (it needs to trigger Jacquardi) and assign Jacquardi's MIDI OUT to 3rd party's plugin. System Requirements: Auv3 host that has a flexible capability of MIDI routing (AUM, apeMatrix etc).
VAPolyMT
This powerful synthesizer app offers bi-timbral polyphony with analog-style sequencers and assignable macro controls. It functions as a standalone application or an AudioUnit Extension, supporting MIDI, Ableton Link, and audio export. Project files are savable via iCloud Drive for cross-platform access.
- Bi-timbral polyphonic synthesizer
- Analog-style step sequencer per timbre
- Assignable macro controls
- AudioUnit Extension (AUv3) support
- Ableton Link and MIDI support
- iCloud Drive project sharing
- Built-in effects and piano roll editor
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VAPolyMT is a bi-timbral polyphonic synthesizer for iPhone, iPad and Mac. It features analog style step sequencer per timbre and assignable macro controls. It operates as a stand alone or as an AudioUnit Extension (AUv3). Stand Alone supports Ableton Link, MIDI and audio file export. Each synthesizer consists of two oscillators, mixer, resonant low pass filter, resonant hight pass filter and amplifier. The synthesizers can be layered or can be split. Built-in Effects include delay, chorus, flanger, reverb, eq and compressor. VAPolyMT also includes sequencer which features piano roll editor and parameter automation. 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 subtractive synthesizer. Analog Style Step Sequencer per timbre. Eight Assignable Controllers. Maximum 8 voice polyphony. it depends on performance of the device it is running. Built-in effects and piano roll sequencer. Support Audio Unit Extension (AUv3). Support MIDI 2.0. Support Foot Pedal and Per Note Control. 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. Include more than 200 Factory Presets. 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. 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. if sound is distorted when using a device with less CPU power, reduce number of voices. 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.
Screenshots
Verdict
The clearest difference is price: Jacquardi at $1.99 against VAPolyMT's $14.99. Jacquardi also leads on update cadence (weekly vs every 11 months) and iOS requirement (12.0 vs 16.6). VAPolyMT's advantage is ratings volume (4 vs 1). On rating, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Jacquardi costs $1.99 and VAPolyMT $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Jacquardi against 5.0 for VAPolyMT. Both are backed by a comparable volume of ratings — 1 and 4 respectively.
Jacquardi ships an update weekly, VAPolyMT every 11 months. The most recent releases landed on October 18, 2026 and October 7, 2026 respectively.
| Parameter | Jacquardi | VAPolyMT |
|---|---|---|
| Price | $1.99 — better | $14.99 |
| Rating | 5.0 (1 ratings) | 5.0 (4 ratings) |
| Number of ratings | 1 | 4 — better |
| Update frequency | Weekly — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 12.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 10 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Satoshi Kajii | Ryo Togawa |
Customer experience
Jacquardi
VAPolyMT
In-app purchases
Jacquardi
No in-app purchases
VAPolyMT
No in-app purchases
Questions
Is Jacquardi free?
Is VAPolyMT free?
Which has better reviews, Jacquardi or VAPolyMT?
Do Jacquardi or VAPolyMT have ads?
Which is updated more often, Jacquardi or VAPolyMT?
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