# Hoverophone vs BrassTrainer

The clearest difference is in-app purchases: Hoverophone at none against BrassTrainer's 1. BrassTrainer's advantage is iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Hoverophone | BrassTrainer |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Free | — |
| Size | 13 MB | 33 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maxim Oransky](https://appshunter.io/developer/1639941241) | [Nils Ove Erstad](https://appshunter.io/developer/6808151232) |

## What reviewers say

### 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


### BrassTrainer

[App page](https://appshunter.io/ios/app/brasstrainer/id6808151230)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $1.99 | one-time |


## Frequently asked questions

### Is Hoverophone free?

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

### Is BrassTrainer free?

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

### Do Hoverophone or BrassTrainer have ads?

Neither Hoverophone nor BrassTrainer shows ads.

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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.*