# MOUND vs Hoverophone

The clearest difference is rating: MOUND at 4.8 against Hoverophone's 4.3. MOUND also leads on review sentiment (67% vs 50%). Hoverophone's advantage is in-app purchases (none vs 1). On price, ratings volume, update cadence and ads there is nothing between them.

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

MOUND holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 8 and 3 respectively. Written reviews point the same way: 67% of MOUND's written reviews are positive against 50% of Hoverophone's.

MOUND ships an update every 5 days, Hoverophone weekly. The most recent releases landed on September 15, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | MOUND | Hoverophone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (8 ratings)](https://appshunter.io/ios/app/mound-music-generator/id6768479656/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/hoverophone-theremin-synth/id6781463406/reviews) |
| Number of ratings | **8** | 3 |
| Positive reviews | **66.7% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 176 MB | 4 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [fourtrack.fm LLC](https://appshunter.io/developer/1883350705) | [Maxim Oransky](https://appshunter.io/developer/1639941241) |

## What reviewers say

### MOUND

[App page](https://appshunter.io/ios/app/mound-music-generator/id6768479656)

Create unique music by layering sounds and applying effects with intuitive touch controls. Explore chord progressions, sonic combinations, and evolving soundscapes.

**Highlights:** Collage soundscape sequencer, Four mix channels, 100+ soundfont instruments, Paint to drive effects, Euclidean sequencing, Choose key, scale, BPM, and sequence length

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MOUND Lifetime Unlock | $4.99 | 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 MOUND free?

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

### Is Hoverophone free?

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

### Which has better reviews, MOUND or Hoverophone?

MOUND is rated higher. MOUND averages 4.8 out of 5 from 8 ratings, while Hoverophone averages 4.3 from 3 ratings.

### Do MOUND or Hoverophone have ads?

Neither MOUND nor Hoverophone shows ads.

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

MOUND ships an update every 5 days, and Hoverophone weekly. Most recently, MOUND was updated on September 15, 2026 and Hoverophone on September 8, 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.*