# Hoverophone vs Opaline FM

Hoverophone and Opaline FM are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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, Opaline FM every 6 days. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Hoverophone | Opaline FM |
| --- | --- | --- |
| 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 6 days** |
| Monetization | Free | — |
| Size | 13 MB | 3 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Maxim Oransky](https://appshunter.io/developer/1639941241) | [Hideki Konishi](https://appshunter.io/developer/6790603370) |

## 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


### Opaline FM

[App page](https://appshunter.io/ios/app/opaline-fm/id6790603368)

**In-app purchases:** none


## Frequently asked questions

### Is Hoverophone free?

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

### Is Opaline FM free?

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

### Do Hoverophone or Opaline FM have ads?

Neither Hoverophone nor Opaline FM shows ads.

### Which is updated more often, Hoverophone or Opaline FM?

Hoverophone ships an update every 9 days, and Opaline FM every 6 days. Most recently, Hoverophone was updated on October 15, 2026 and Opaline FM on October 4, 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.*