# Line Hum vs Aurora (MIDI Controller)

The clearest difference is review sentiment: Line Hum at 100% against Aurora (MIDI Controller)'s 50%. Line Hum also leads on chart position (#195 vs unranked) and price ($0.99 vs $2.99). Aurora (MIDI Controller)'s advantage is update cadence (every 8 days vs every 4 months) and rating (5.0 vs 4.8). On ads, in-app purchases, monetization model and device support there is nothing between them.

Line Hum costs $0.99 and Aurora (MIDI Controller) $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Aurora (MIDI Controller) holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews complicate that: 100% of Line Hum's written reviews are positive against 50% of Aurora (MIDI Controller)'s, so the app with the better star average is not the one people write more warmly about.

Line Hum ships an update every 4 months, Aurora (MIDI Controller) every 8 days. The most recent releases landed on September 9, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | Line Hum | Aurora (MIDI Controller) |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| Rating | [4.8 (6 ratings)](https://appshunter.io/ios/app/line-hum/id1551681272/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/aurora-midi-controller/id1613073943/reviews)** |
| Number of ratings | **6** | 2 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 8 days** |
| Monetization | Paid | Paid |
| Best chart rank | **#195** | — |
| Size | 13 MB | 6 MB |
| Requires iOS | **12.4** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Henry Lowengard](https://appshunter.io/developer/288419654) | [Jason Snell](https://appshunter.io/developer/866134040) |

## What reviewers say

### Line Hum

[App page](https://appshunter.io/ios/app/line-hum/id1551681272)

**Currently charting:** #195 Top Paid · Music (US App Store)

This audio unit plugin adds authentic analog noise and distorted wave forms to your music productions. It can drone on any frequency and ring modulate input for added distortion, offering a unique sound for electronic music creators.

**Highlights:** Authentic analog noise, Synthesized analog instruments, Noisy wave forms, Drones on any frequency, Ring modulation, Distortion effects

**Features:** macOS Compatibility, Vision Pro support

**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 Line Hum free?

Line Hum costs $0.99, 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, Line Hum or Aurora (MIDI Controller)?

Aurora (MIDI Controller) is rated higher. Line Hum averages 4.8 out of 5 from 6 ratings, while Aurora (MIDI Controller) averages 5.0 from 2 ratings.

### Do Line Hum or Aurora (MIDI Controller) have ads?

Neither Line Hum nor Aurora (MIDI Controller) shows ads.

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

Line Hum ships an update every 4 months, and Aurora (MIDI Controller) every 8 days. Most recently, Line Hum was updated on September 9, 2026 and Aurora (MIDI Controller) on June 3, 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.*