# Aurora (MIDI Controller) vs GSDSP Quantum Granulator

Aurora (MIDI Controller) and GSDSP Quantum Granulator 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 Aurora (MIDI Controller)'s. GSDSP Quantum Granulator also leads on ratings volume (7 vs 2) and iOS requirement (12.0 vs 16.6). Aurora (MIDI Controller)'s advantage is price ($2.99 vs $14.99) and update cadence (every 8 days vs every 5 weeks). On rating, ads, in-app purchases and monetization model there is nothing between them.

Aurora (MIDI Controller) costs $2.99 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 Aurora (MIDI Controller) against 5.0 for GSDSP Quantum Granulator. Both are backed by a comparable volume of ratings — 2 and 7 respectively. Written reviews are what separate them: 50% of Aurora (MIDI Controller)'s written reviews are positive against 100% of GSDSP Quantum Granulator's.

Aurora (MIDI Controller) ships an update every 8 days, GSDSP Quantum Granulator every 5 weeks. The most recent releases landed on June 3, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Aurora (MIDI Controller) | GSDSP Quantum Granulator |
| --- | --- | --- |
| Price | **$2.99** | $14.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/aurora-midi-controller/id1613073943/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/gsdsp-quantum-granulator/id6741062705/reviews) |
| Number of ratings | 2 | **7** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 5 weeks |
| Monetization | Paid | Paid |
| Size | 6 MB | 61 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jason Snell](https://appshunter.io/developer/866134040) | [Gustav Scholda](https://appshunter.io/developer/1642323227) |

## What reviewers say

### Aurora (MIDI Controller)

[App page](https://appshunter.io/ios/app/aurora-midi-controller/id1613073943)

Transform space weather data into musical expression with this live MIDI controller. Connect to your DAW and map real-time electromagnetic readings to create unique soundscapes and dynamic tracks.

**Highlights:** Live data streaming from observatories, Flexible MIDI mapping, Connects to DAWs like Ableton Live, Cross-platform compatibility (iOS, macOS), Creates ambient and techno music

**Features:** macOS Compatibility

**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 Aurora (MIDI Controller) free?

Aurora (MIDI Controller) costs $2.99, 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, Aurora (MIDI Controller) or GSDSP Quantum Granulator?

Aurora (MIDI Controller) and GSDSP Quantum Granulator are both rated 5.0 out of 5 on the App Store, from 2 and 7 ratings respectively.

### Do Aurora (MIDI Controller) or GSDSP Quantum Granulator have ads?

Neither Aurora (MIDI Controller) nor GSDSP Quantum Granulator shows ads.

### Which is updated more often, Aurora (MIDI Controller) or GSDSP Quantum Granulator?

Aurora (MIDI Controller) ships an update every 8 days, and GSDSP Quantum Granulator every 5 weeks. Most recently, Aurora (MIDI Controller) was updated on June 3, 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.*