# Hex MIDI vs Hoverophone

The clearest difference is in-app purchases: Hoverophone at none against Hex MIDI's 1. Hoverophone also leads on update cadence (every 9 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Hex MIDI sells 1 one-off in-app purchase. Hoverophone asks for nothing beyond the download.

Hex MIDI ships an update monthly, Hoverophone every 9 days. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Hex MIDI | Hoverophone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/hoverophone-theremin-synth/id6781463406/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | — | Free |
| Size | 95 MB | 13 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Trung Dung Hoang](https://appshunter.io/developer/1896778927) | [Maxim Oransky](https://appshunter.io/developer/1639941241) |

## What reviewers say

### Hex MIDI

[App page](https://appshunter.io/ios/app/hex-midi-isomorphic-keyboard/id6771364879)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hex MIDI Pro | $12.99 | one-time |


### Hoverophone

[App page](https://appshunter.io/ios/app/hoverophone-theremin-synth/id6781463406)

This app reimagines the theremin for your iPhone, allowing you to play music by waving your hands in the air without touching the screen. It offers a polyphonic synthesizer with various sound options and microtonal capabilities for unique musical exploration.

**Highlights:** Air-based theremin playing with front camera hand tracking, Polyphonic synthesizer with multiple voice options, Microtonal keyboard with 12-TET or 24-TET quarter tones, Stack up to twelve notes by pinning voices, Continuous pitch glide and volume control, Fully offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is Hex MIDI free?

Hex MIDI is free to download, with in-app purchases available.

### Is Hoverophone free?

Hoverophone is free to download, with no in-app purchases.

### Do Hex MIDI or Hoverophone have ads?

Neither Hex MIDI nor Hoverophone shows ads.

### Which is updated more often, Hex MIDI or Hoverophone?

Hex MIDI ships an update monthly, and Hoverophone every 9 days. Most recently, Hex MIDI was updated on October 4, 2026 and Hoverophone on October 15, 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.*