# GSDSP Quantum Granulator vs VAPolyTZFM

GSDSP Quantum Granulator and VAPolyTZFM both sit at 5.0 stars, but that hides the real split: 100% of GSDSP Quantum Granulator's written reviews are positive against 50% of VAPolyTZFM's. GSDSP Quantum Granulator also leads on update cadence (every 6 weeks vs every 9 months) and iOS requirement (13.0 vs 16.6). On price, rating, ratings volume and ads there is nothing between them.

GSDSP Quantum Granulator costs $14.99 and VAPolyTZFM $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 GSDSP Quantum Granulator against 5.0 for VAPolyTZFM. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews are what separate them: 100% of GSDSP Quantum Granulator's written reviews are positive against 50% of VAPolyTZFM's.

GSDSP Quantum Granulator ships an update every 6 weeks, VAPolyTZFM every 9 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | GSDSP Quantum Granulator | VAPolyTZFM |
| --- | --- | --- |
| Price | $14.99 | $14.99 |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-granulator/id6741062705/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/vapolytzfm/id6747690642/reviews) |
| Number of ratings | **7** | 3 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 9 months |
| Monetization | Paid | Paid |
| Size | 61 MB | 17 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Gustav Scholda](https://appshunter.io/developer/1642323227) | [Ryo Togawa](https://appshunter.io/developer/1474193056) |

## What reviewers say

### GSDSP Quantum Granulator

[App page](https://appshunter.io/ios/app/gsdsp-quantum-granulator/id6741062705)

This live granular processor allows you to break down audio into small pieces or create atmospheric soundscapes. It features dual live buffers, a musical grain engine with tempo sync, and expressive pitch control with MIDI support. Shape your sound with an intuitive XY pad and mix section for detailed sonic manipulation.

**Highlights:** Dual live recording buffers, Tempo-synced grain triggering, Expressive pitch control with scales, 2D XY pad for grain shaping, MIDI playable granular instrument, AUv3 audio effect plugin

**Features:** Vision Pro support

**In-app purchases:** none


### VAPolyTZFM

[App page](https://appshunter.io/ios/app/vapolytzfm/id6747690642)

This app is a polyphonic synthesizer that utilizes Through Zero FM for musical sound generation. It offers a standalone mode with Ableton Link and MIDI support, as well as an AudioUnit Extension for use with other music software. Built-in effects and iCloud Drive integration enhance its creative capabilities.

**Highlights:** Through Zero FM synthesis, AudioUnit Extension (AUv3) support, Ableton Link and MIDI connectivity, Built-in effects suite, iCloud Drive project sharing, Analog style step sequencer, Up to 8 voice polyphony

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GSDSP Quantum Granulator free?

GSDSP Quantum Granulator costs $14.99, with no in-app purchases.

### Is VAPolyTZFM free?

VAPolyTZFM costs $14.99, with no in-app purchases.

### Which has better reviews, GSDSP Quantum Granulator or VAPolyTZFM?

GSDSP Quantum Granulator and VAPolyTZFM are both rated 5.0 out of 5 on the App Store, from 7 and 3 ratings respectively.

### Do GSDSP Quantum Granulator or VAPolyTZFM have ads?

Neither GSDSP Quantum Granulator nor VAPolyTZFM shows ads.

### Which is updated more often, GSDSP Quantum Granulator or VAPolyTZFM?

GSDSP Quantum Granulator ships an update every 6 weeks, and VAPolyTZFM every 9 months. Most recently, GSDSP Quantum Granulator was updated on October 30, 2026 and VAPolyTZFM on November 5, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*