# Guitar Visualizer vs Music Theory Decoder

The clearest difference is price: Guitar Visualizer at Free against Music Theory Decoder's $4.99. Music Theory Decoder's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

Guitar Visualizer is free to download; Music Theory Decoder costs $4.99 up front. Guitar Visualizer sells 3 in-app purchases, starting at $0.99 per month. Music Theory Decoder asks for nothing beyond the download.

## The numbers

| Metric | Guitar Visualizer | Music Theory Decoder |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.7 (35 ratings)](https://appshunter.io/ios/app/guitar-visualizer/id6761738300/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Subscription | — |
| Size | 36 MB | 39 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Juan Negron](https://appshunter.io/developer/1891194496) | [Tomi Nevalainen](https://appshunter.io/developer/1271805172) |

## What reviewers say

### Guitar Visualizer

[App page](https://appshunter.io/ios/app/guitar-visualizer/id6761738300)

Visualize scales, chords, and modes across the entire guitar fretboard. Understand music theory by seeing how notes and chords connect in real-time. Ideal for guitarists looking to deepen their understanding beyond memorization.

**Highlights:** Visualize all scales and modes, See every chord and voicing, Understand the CAGED system, Layer scales and chords, Analyze unknown chords, Target specific scale degrees, Multiple display modes

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Guitar Visualizer Pro | $0.99 | per month |
| Guitar Visualizer Pro | $2.99 | per month |
| Guitar Visualizer Pro | $19.99 | per year |


### Music Theory Decoder

[App page](https://appshunter.io/ios/app/music-theory-decoder/id6763486860)

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

**In-app purchases:** none


## Frequently asked questions

### Is Guitar Visualizer free?

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

### Is Music Theory Decoder free?

Music Theory Decoder costs $4.99, with no in-app purchases.

### Do Guitar Visualizer or Music Theory Decoder have ads?

Neither Guitar Visualizer nor Music Theory Decoder 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.*