# Harmonic Explorer vs Prospero Audio

The clearest difference is price: Prospero Audio at Free against Harmonic Explorer's $0.99. Harmonic Explorer's advantage is in-app purchases (none vs 1) and iOS requirement (15.6 vs 26.0). On ads and device support there is nothing between them.

Prospero Audio is free to download; Harmonic Explorer costs $0.99 up front. Prospero Audio sells 1 one-off in-app purchase. Harmonic Explorer asks for nothing beyond the download.

## The numbers

| Metric | Harmonic Explorer | Prospero Audio |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | — |
| Size | 2 MB | 2 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Philippe Zay](https://appshunter.io/developer/1200498230) | [Brenton Mumford](https://appshunter.io/developer/1878555567) |

## What reviewers say

### Harmonic Explorer

[App page](https://appshunter.io/ios/app/harmonic-explorer/id6747025974)

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

**In-app purchases:** none


### Prospero Audio

[App page](https://appshunter.io/ios/app/prospero-audio/id6759607053)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Go Pro! | $6.99 | one-time |


## Frequently asked questions

### Is Harmonic Explorer free?

Harmonic Explorer costs $0.99, with no in-app purchases.

### Is Prospero Audio free?

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

### Do Harmonic Explorer or Prospero Audio have ads?

Neither Harmonic Explorer nor Prospero Audio 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.*