VAPolyLoop vs ab EQ X
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VAPolyLoop
Create complex music with a polyphonic synthesizer and analog-style step sequencer. Features multiple oscillators, a resonant low-pass filter, distortion, and various built-in effects. Export audio in multiple formats and sync with other devices via Ableton Link.
- Polyphonic synthesizer with 3 oscillators
- Analog-style step sequencer
- Resonant low-pass filter
- Distortion and other built-in effects (delay, reverb, EQ)
- Audio Unit Extension (AUv3) support
- Ableton Link and MIDI 2.0 support
- Audio export in AIFF, WAV, CAF, and AAC
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VAPolyLoop features lowpass filter and amplifier which are optimized for playing by step sequencer. VAPolyLoop contains polyphonic synthesizer and analog style step sequencer. The synthesizer consists of three oscillators, resonant low pass filter, amplifier, distortion effect and five LFO. VAPolyLoop 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 diode ladder filter. Distortion Effects 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 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. Full Factory Preset: 96, Effect: 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 or gray. System Requirements iOS 17.0 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.
ab EQ X
This application offers a parametric equalizer that operates with Ambisonics technology. It allows independent equalization of three dimensional poles (LEFT, RIGHT, FRONT) with five bands each, supporting various filter types and a DRY/WET mix control.
- Ambisonics-based equalization
- 3 independent dimensional poles (LEFT, RIGHT, FRONT)
- 5 bands per pole
- Multiple filter types (HP, LP, Shelf, Bell, Notch)
- DRY/WET MIX control
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An Equaliser that works in Ambisonics under the hood. Three different dimensional poles can be equalised independently (LEFT, RIGHT, FRONT) with unique results! - 5 Bands per dimensional poles. - Each band can be High Pass, Low Pass, High Shelf, Low Shelf, Notch, or Bell. - DRY/WET MIX control
Screenshots
Verdict
The clearest difference is price: ab EQ X at $5.99 against VAPolyLoop's $14.99. VAPolyLoop's advantage is update cadence (monthly vs every 6 months). 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
VAPolyLoop costs $14.99 and ab EQ X $5.99 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 VAPolyLoop against 5.0 for ab EQ X. Both are backed by a comparable volume of ratings — 3 and 2 respectively.
VAPolyLoop ships an update monthly, ab EQ X every 6 months. Both last shipped on September 22, 2026.
| Parameter | VAPolyLoop | ab EQ X |
|---|---|---|
| Price | $14.99 | $5.99 — better |
| Rating | 5.0 (3 ratings) | 5.0 (2 ratings) |
| Number of ratings | 3 — better | 2 |
| Update frequency | Monthly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 16.6 | 15 — better |
| Further details — not scored | ||
| Size | 16 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryo Togawa | Alejandro Cabrera Zuniga |
Customer experience
VAPolyLoop
ab EQ X
In-app purchases
VAPolyLoop
No in-app purchases
ab EQ X
No in-app purchases
