# Vox Imago vs PolyRhythmic Metronome

The clearest difference is in-app purchases: Vox Imago at none against PolyRhythmic Metronome's 2. PolyRhythmic Metronome's advantage is iOS requirement (13.0 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PolyRhythmic Metronome sells 2 in-app purchases, starting at $2.99 per month. Vox Imago asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Vox Imago | PolyRhythmic Metronome |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 158 MB | 82 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Musicom.it S.r.l.](https://appshunter.io/developer/1485254425) | [Romeu Beato](https://appshunter.io/developer/1801192254) |

## What reviewers say

### Vox Imago

[App page](https://appshunter.io/ios/app/vox-imago/id1485254426)

Explore the world of opera with this multimedia series. Access documentaries, full audio recordings, librettos, essays, and historical insights. An interactive reading experience enriches the digital volume with integrated video, audio, and text content.

**Highlights:** Interactive volume reading with Page Spotter, Exclusive opera documentaries, Opera highlights and full audio recordings, Synopsis, libretto, and listening guide, Access to historical sources, Offline audio and video playback

**Features:** Vision Pro support

**In-app purchases:** none


### PolyRhythmic Metronome

[App page](https://appshunter.io/ios/app/polyrhythmic-metronome/id6760353853)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Polyrhythmic Metronome Pro | $2.99 | per month |
| Polyrhythmic Metronome - Lifetime | $8.99 | one-time |


## Frequently asked questions

### Is Vox Imago free?

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

### Is PolyRhythmic Metronome free?

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

### Do Vox Imago or PolyRhythmic Metronome have ads?

Neither Vox Imago nor PolyRhythmic Metronome shows ads.

### Which is updated more often, Vox Imago or PolyRhythmic Metronome?

Vox Imago ships an update every 2 months, and PolyRhythmic Metronome every 2 months. Most recently, Vox Imago was updated on October 8, 2026 and PolyRhythmic Metronome on October 3, 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.*