# Midi Poly Grid vs GSDSP Quantum Granulator

The clearest difference is price: Midi Poly Grid at $3.99 against GSDSP Quantum Granulator's $14.99. Midi Poly Grid also leads on update cadence (every 11 days vs every 5 weeks). GSDSP Quantum Granulator's advantage is iOS requirement (12.0 vs 15.0). On rating, review sentiment, ratings volume and ads there is nothing between them.

Midi Poly Grid costs $3.99 and GSDSP Quantum Granulator $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 Midi Poly Grid against 5.0 for GSDSP Quantum Granulator. Both are backed by a comparable volume of ratings — 8 and 7 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Midi Poly Grid ships an update every 11 days, GSDSP Quantum Granulator every 5 weeks. The most recent releases landed on September 9, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Midi Poly Grid | GSDSP Quantum Granulator |
| --- | --- | --- |
| Price | **$3.99** | $14.99 |
| Rating | [5.0 (8 ratings)](https://appshunter.io/ios/app/midi-poly-grid/id1633882803/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-granulator/id6741062705/reviews) |
| Number of ratings | **8** | 7 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 5 weeks |
| Monetization | Paid | Paid |
| Size | 24 MB | 61 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andreas Mueller](https://appshunter.io/developer/1633882805) | [Gustav Scholda](https://appshunter.io/developer/1642323227) |

## What reviewers say

### Midi Poly Grid

[App page](https://appshunter.io/ios/app/midi-poly-grid/id1633882803)

This app functions solely as a MIDI controller, requiring a host application or DAW to produce sound. It offers intuitive pad controls for melodies and finger drumming, with advanced modulation options like MPE and polyphonic aftertouch. Connect virtually or via USB/Bluetooth to other devices and DAWs.

**Highlights:** Size-adjustable grid of pads, MPE and polyphonic aftertouch modulation, Custom grid creation, Virtual MIDI connection, Preset saving, Multiple layouts and colors

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Midi Poly Grid free?

Midi Poly Grid costs $3.99, with no in-app purchases.

### Is GSDSP Quantum Granulator free?

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

### Which has better reviews, Midi Poly Grid or GSDSP Quantum Granulator?

Midi Poly Grid and GSDSP Quantum Granulator are both rated 5.0 out of 5 on the App Store, from 8 and 7 ratings respectively.

### Do Midi Poly Grid or GSDSP Quantum Granulator have ads?

Neither Midi Poly Grid nor GSDSP Quantum Granulator shows ads.

### Which is updated more often, Midi Poly Grid or GSDSP Quantum Granulator?

Midi Poly Grid ships an update every 11 days, and GSDSP Quantum Granulator every 5 weeks. Most recently, Midi Poly Grid was updated on September 9, 2026 and GSDSP Quantum Granulator on September 22, 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.*