# Callback Freeverb vs Hoverophone

The clearest difference is rating: Callback Freeverb at 5.0 against Hoverophone's 4.3. Hoverophone's advantage is ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Callback Freeverb holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

## The numbers

| Metric | Callback Freeverb | Hoverophone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/callback-freeverb/id6775060495/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/hoverophone-theremin-synth/id6781463406/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | Free | Free |
| Size | 7 MB | 4 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Callback Audio, LLC](https://appshunter.io/developer/1896220942) | [Maxim Oransky](https://appshunter.io/developer/1639941241) |

## What reviewers say

### Callback Freeverb

[App page](https://appshunter.io/ios/app/callback-freeverb/id6775060495)

This app offers a classic algorithmic reverb effect based on the Freeverb algorithm. It adds depth, space, and atmosphere to audio sources, creating lush, spacious ambience. Designed for mono use, it provides a smooth, musical reverb tail suitable for vocals and synthesizers.

**Highlights:** Classic Freeverb algorithm, Schroeder/Moorer reverb topology, Comb and allpass filters, Mono operation, Adds depth and space to audio, Smooth, musical reverb tail

**Features:** Vision Pro support

**In-app purchases:** none


### 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 Callback Freeverb free?

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

### Is Hoverophone free?

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

### Which has better reviews, Callback Freeverb or Hoverophone?

Callback Freeverb is rated higher. Callback Freeverb averages 5.0 out of 5 from 1 ratings, while Hoverophone averages 4.3 from 3 ratings.

### Do Callback Freeverb or Hoverophone have ads?

Neither Callback Freeverb nor Hoverophone 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.*