Deep Synth vs VAPolyMT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Deep Synth
Create unique sounds with this FM synthesizer app. It features real-time wave manipulation, multiple sound effects, and MIDI keyboard support. Explore dynamic sound design with its intuitive interface.
- Real-time wave form editing
- Simple envelope filter
- Reverb and tremolo effects
- Polyphonic keyboard with 5 octaves
- MIDI keyboard support
- AUV3 Audio Unit instrument
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Unique synth with AUV3 (Audio Unit) and midi keyboard support! You can touch and change the wave and hear the difference. Deep Synth also has: - simple envelope filter - reverb effect - tremolo sound effect - hair - high frequency modulation. - 5 points wave form modulation - polyphonic keyboard - 5 octaves range selector - point vibe to make your wave dynamic - build-in resonator effect - supports MIDI keyboards via USB (full velocity and pitch shift support) - works as Audio Unit instrument plug-in AUV3 The sound generator inside the synthesizer is producing the exact wave form as the one you have created. You can control the position and width of the picks in real time. The synth app has fast and capable piano keyboard. It is fully polyphonic and you can play in 5 octaves.
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: Deep Synth at $4.99 against VAPolyMT's $14.99. Deep Synth also leads on update cadence (monthly vs every 11 months) and iOS requirement (10.0 vs 16.6). VAPolyMT's advantage is rating (5.0 vs 4.0). On ratings volume, 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
Deep Synth costs $4.99 and VAPolyMT $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.
VAPolyMT holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.
Deep Synth ships an update monthly, VAPolyMT every 11 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.
| Parameter | Deep Synth | VAPolyMT |
|---|---|---|
| Price | $4.99 — better | $14.99 |
| Rating | 4.0 (2 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 | 4 — better |
| Update frequency | Monthly — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 10.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 9 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Aleksandar Mlazev | Ryo Togawa |
Customer experience
Deep Synth
VAPolyMT
In-app purchases
Deep Synth
No in-app purchases
VAPolyMT
No in-app purchases
Questions
Is Deep Synth free?
Is VAPolyMT free?
Which has better reviews, Deep Synth or VAPolyMT?
Do Deep Synth or VAPolyMT have ads?
Which is updated more often, Deep Synth or VAPolyMT?
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