# ChordWeaver vs Aurora (MIDI Controller)

ChordWeaver and Aurora (MIDI Controller) both sit at 5.0 stars, but that hides the real split: 100% of ChordWeaver's written reviews are positive against 50% of Aurora (MIDI Controller)'s. Aurora (MIDI Controller)'s advantage is price ($2.99 vs $9.99) and update cadence (every 8 days vs every 3 months). On rating, ratings volume, ads and in-app purchases there is nothing between them.

ChordWeaver costs $9.99 and Aurora (MIDI Controller) $2.99 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 ChordWeaver against 5.0 for Aurora (MIDI Controller). Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews are what separate them: 100% of ChordWeaver's written reviews are positive against 50% of Aurora (MIDI Controller)'s.

ChordWeaver ships an update every 3 months, Aurora (MIDI Controller) every 8 days. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ChordWeaver | Aurora (MIDI Controller) |
| --- | --- | --- |
| Price | $9.99 | **$2.99** |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/chordweaver/id881635910/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/aurora-midi-controller/id1613073943/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Paid | Paid |
| Size | 474 MB | 6 MB |
| Requires iOS | 18.6 | **16.6** |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Jeannot Welter](https://appshunter.io/developer/881635913) | [Jason Snell](https://appshunter.io/developer/866134040) |

## What reviewers say

### ChordWeaver

[App page](https://appshunter.io/ios/app/chordweaver/id881635910)

Compose music using advanced harmonic techniques with this app. Explore 3636 chord resolutions and 10 instrument ensembles. It guides you through chord progressions, allowing you to listen, transpose, and save your compositions.

**Highlights:** Modern harmony composition, 3636 chord resolutions, 10 instrument ensembles, Listen to chord resolutions, Transpose chords, Save as .chords or .mid, Mirror to main system

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is ChordWeaver free?

ChordWeaver costs $9.99, with no in-app purchases.

### Is Aurora (MIDI Controller) free?

Aurora (MIDI Controller) costs $2.99, with no in-app purchases.

### Which has better reviews, ChordWeaver or Aurora (MIDI Controller)?

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

### Do ChordWeaver or Aurora (MIDI Controller) have ads?

Neither ChordWeaver nor Aurora (MIDI Controller) shows ads.

### Which is updated more often, ChordWeaver or Aurora (MIDI Controller)?

ChordWeaver ships an update every 3 months, and Aurora (MIDI Controller) every 8 days. Most recently, ChordWeaver was updated on October 16, 2026 and Aurora (MIDI Controller) on October 7, 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.*