# Hoverophone vs PalermoSound

The clearest difference is update cadence: PalermoSound at every 4 days against Hoverophone's every 9 days. PalermoSound also leads on iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Hoverophone ships an update every 9 days, PalermoSound every 4 days. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Hoverophone | PalermoSound |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Free | — |
| Size | 13 MB | 93 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maxim Oransky](https://appshunter.io/developer/1639941241) | [Palermo Sound Records s.r.l.](https://appshunter.io/developer/6800763722) |

## 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


### PalermoSound

[App page](https://appshunter.io/ios/app/palermosound/id6800763719)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hoverophone free?

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

### Is PalermoSound free?

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

### Do Hoverophone or PalermoSound have ads?

Neither Hoverophone nor PalermoSound shows ads.

### Which is updated more often, Hoverophone or PalermoSound?

Hoverophone ships an update every 9 days, and PalermoSound every 4 days. Most recently, Hoverophone was updated on October 15, 2026 and PalermoSound on October 5, 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.*