VAPolyMT vs DeDrummer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
DeDrummer
This music app acts as an AUv3 EQ designed for DJs. It allows users to effectively remove drum and bass frequencies from tracks, and also features a "Vocal Featuring" option to emphasize mid-range sounds.
- Remove drum sounds
- Remove bass sounds
- Emphasize vocal range
- AUv3 plugin support
- DJ-focused EQ
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Concept: The app is a powerful AUv3 EQ for DJ which can remove drum & bass sounds from musical pieces. Usage: "Drum" slider will remove drum sounds. "Low Cut" knob will remove bass sounds. "Vocal Featuring" will emphasize the middle range. System Requirements: Auv3 host (Cubasis, AUM, apeMatrix etc).
Screenshots
Verdict
The clearest difference is price: DeDrummer at $2.99 against VAPolyMT's $14.99. DeDrummer also leads on update cadence (every 10 days vs every 11 months) and iOS requirement (12.0 vs 16.6). On rating, ratings volume, ads and in-app purchases 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
VAPolyMT costs $14.99 and DeDrummer $2.99 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 VAPolyMT against 5.0 for DeDrummer. Both are backed by a comparable volume of ratings — 4 and 2 respectively.
VAPolyMT ships an update every 11 months, DeDrummer every 10 days. The most recent releases landed on September 20, 2026 and August 24, 2026 respectively.
| Parameter | VAPolyMT | DeDrummer |
|---|---|---|
| Price | $14.99 | $2.99 — better |
| Rating | 5.0 (4 ratings) | 5.0 (2 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 4 — better | 2 |
| Update frequency | Every 11 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 16.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryo Togawa | Satoshi Kajii |
Customer experience
VAPolyMT
DeDrummer
In-app purchases
VAPolyMT
No in-app purchases
DeDrummer
No in-app purchases








