# Aurora (MIDI Controller) vs RollBud Trance Gate & Roll FX

Aurora (MIDI Controller) and RollBud Trance Gate & Roll FX both sit at 5.0 stars, but that hides the real split: 100% of RollBud Trance Gate & Roll FX's written reviews are positive against 50% of Aurora (MIDI Controller)'s. RollBud Trance Gate & Roll FX also leads on iOS requirement (12.0 vs 16.6). Aurora (MIDI Controller)'s advantage is update cadence (every 8 days vs every 2 months) and price ($2.99 vs $5.99). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Aurora (MIDI Controller) costs $2.99 and RollBud Trance Gate & Roll FX $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 Aurora (MIDI Controller) against 5.0 for RollBud Trance Gate & Roll FX. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews are what separate them: 50% of Aurora (MIDI Controller)'s written reviews are positive against 100% of RollBud Trance Gate & Roll FX's.

Aurora (MIDI Controller) ships an update every 8 days, RollBud Trance Gate & Roll FX every 2 months. The most recent releases landed on June 3, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Aurora (MIDI Controller) | RollBud Trance Gate & Roll FX |
| --- | --- | --- |
| Price | **$2.99** | $5.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/aurora-midi-controller/id1613073943/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/rollbud-trance-gate-and-roll-fx/id6743325110/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 months |
| Monetization | Paid | Paid |
| Size | 6 MB | 15 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) | [Cem Olcay](https://appshunter.io/developer/523633853) |

## 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


### RollBud Trance Gate & Roll FX

[App page](https://appshunter.io/ios/app/rollbud-trance-gate-and-roll-fx/id6743325110)

This app provides creative audio effects for rhythmic sound shaping, including stutters, rolls, and trance gate styles. It features an expressive XY-pad with MIDI control and recording capabilities, and integrates seamlessly as an AUv3 FX plugin.

**Highlights:** Rhythmic sound shaping, Stutter, roll, and slip effects, Trance gate-style effects, Expressive XY-pad control, MIDI control and recording, AUv3 FX plugin integration

**Features:** macOS Compatibility, 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 RollBud Trance Gate & Roll FX free?

RollBud Trance Gate & Roll FX costs $5.99, with no in-app purchases.

### Which has better reviews, Aurora (MIDI Controller) or RollBud Trance Gate & Roll FX?

Aurora (MIDI Controller) and RollBud Trance Gate & Roll FX are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Aurora (MIDI Controller) or RollBud Trance Gate & Roll FX have ads?

Neither Aurora (MIDI Controller) nor RollBud Trance Gate & Roll FX shows ads.

### Which is updated more often, Aurora (MIDI Controller) or RollBud Trance Gate & Roll FX?

Aurora (MIDI Controller) ships an update every 8 days, and RollBud Trance Gate & Roll FX every 2 months. Most recently, Aurora (MIDI Controller) was updated on June 3, 2026 and RollBud Trance Gate & Roll FX on September 16, 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.*