# Music Theory vs Phiora

The clearest difference is in-app purchases: Music Theory at none against Phiora's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Phiora sells 1 one-off in-app purchase. Music Theory asks for nothing beyond the download.

## The numbers

| Metric | Music Theory | Phiora |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/phiora/id6767056830/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Monetization | — | Free |
| Size | 4 MB | 7 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Musical Note Studio](https://appshunter.io/developer/1895059915) | [Michelle Feldman](https://appshunter.io/developer/1896361708) |

## What reviewers say

### Music Theory

[App page](https://appshunter.io/ios/app/music-theorycracking-the-code/id6762886683)

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

**In-app purchases:** none


### Phiora

[App page](https://appshunter.io/ios/app/phiora/id6767056830)

This app helps you explore and apply the Golden Ratio to your photos and real-world compositions. Use overlays like the Golden Spiral and Phi Grid on your camera or existing images to understand natural patterns and enhance your creative work.

**Highlights:** Golden Spiral and Phi Grid overlays, Live camera composition guide, Artwork and architecture analysis, Adjustable overlay resizing and rotation, Save analyzed images, Dark, distraction-free interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Phiora Premium | $7.99 | one-time |


## Frequently asked questions

### Is Music Theory free?

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

### Is Phiora free?

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

### Do Music Theory or Phiora have ads?

Neither Music Theory nor Phiora 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.*