# Aurora (MIDI Controller) vs VAPolyFMv2

The clearest difference is price: Aurora (MIDI Controller) at $2.99 against VAPolyFMv2's $14.99. Aurora (MIDI Controller) also leads on rating (5.0 vs 4.5) and update cadence (every 8 days vs every 2 months). VAPolyFMv2's advantage is ratings volume (6 vs 2). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

Aurora (MIDI Controller) costs $2.99 and VAPolyFMv2 $14.99 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 4.5. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

Aurora (MIDI Controller) ships an update every 8 days, VAPolyFMv2 every 2 months. The most recent releases landed on June 3, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Aurora (MIDI Controller) | VAPolyFMv2 |
| --- | --- | --- |
| Price | **$2.99** | $14.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/aurora-midi-controller/id1613073943/reviews)** | [4.5 (6 ratings)](https://appshunter.io/ios/app/vapolyfmv2/id6751489154/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 months |
| Monetization | Paid | Paid |
| Size | 6 MB | 20 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Jason Snell](https://appshunter.io/developer/866134040) | [Ryo Togawa](https://appshunter.io/developer/1474193056) |

## 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


### VAPolyFMv2

[App page](https://appshunter.io/ios/app/vapolyfmv2/id6751489154)

This modular FM synthesizer offers 8 operators with spectral form and pitch EG, supporting standalone use or as an AUv3 extension. It includes built-in effects, a step sequencer, and extensive MIDI and Ableton Link integration for music creation across Apple devices.

**Highlights:** 8 Operator Modular FM Synthesizer, Built-in effects (delay, chorus, reverb, etc.), Analog style step sequencer, Audio Unit Extension (AUv3) support, Ableton Link and MIDI 2.0 integration, Cross-platform iCloud Drive project sharing

**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 VAPolyFMv2 free?

VAPolyFMv2 costs $14.99, with no in-app purchases.

### Which has better reviews, Aurora (MIDI Controller) or VAPolyFMv2?

Aurora (MIDI Controller) is rated higher. Aurora (MIDI Controller) averages 5.0 out of 5 from 2 ratings, while VAPolyFMv2 averages 4.5 from 6 ratings.

### Do Aurora (MIDI Controller) or VAPolyFMv2 have ads?

Neither Aurora (MIDI Controller) nor VAPolyFMv2 shows ads.

### Which is updated more often, Aurora (MIDI Controller) or VAPolyFMv2?

Aurora (MIDI Controller) ships an update every 8 days, and VAPolyFMv2 every 2 months. Most recently, Aurora (MIDI Controller) was updated on June 3, 2026 and VAPolyFMv2 on September 20, 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.*