# Guitar Visualizer vs Fret & Key

The clearest difference is monetization model: Fret & Key at free against Guitar Visualizer's subscription. Fret & Key also leads on rating (5.0 vs 4.7) and update cadence (every 9 days vs every 3 weeks). Guitar Visualizer's advantage is ratings volume (44 vs 1). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Guitar Visualizer sells 3 in-app purchases, starting at $0.99 per month and Fret & Key sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Fret & Key holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Guitar Visualizer has 44 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Guitar Visualizer ships an update every 3 weeks, Fret & Key every 9 days. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Guitar Visualizer | Fret & Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (44 ratings)](https://appshunter.io/ios/app/guitar-visualizer/id6761738300/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fret-and-key/id6798013390/reviews)** |
| Number of ratings | **44** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Subscription | **Free** |
| Size | 36 MB | 124 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Juan Negron](https://appshunter.io/developer/1891194496) | [Curious Labs](https://appshunter.io/developer/309017449) |

## What reviewers say

### Guitar Visualizer

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

This app visualizes guitar scales, chords, and modes across the entire fretboard. It helps musicians understand music theory by showing note relationships and chord voicings. Easily identify chords, target specific scale degrees, and layer scales with chords for deeper insight.

**Highlights:** Visualize all scales and modes, See every chord type and voicing, Understand the CAGED system, Layer scales and chords simultaneously, Analyze any tapped notes as a chord, Target specific scale degrees for practice, Switch between display modes (notes, intervals)

**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 |


### Fret & Key

[App page](https://appshunter.io/ios/app/fret-and-key/id6798013390)

This music app helps you identify chords, scales, and song keys. It features a chord finder, identifier, key finder, and an accurate tuner for various instruments. Designed for simplicity and speed, it offers essential tools without subscriptions or ads.

**Highlights:** Chord finder for piano and stringed instruments, Chord identifier and key analysis, Song key detection, Scales and chord families, Accurate instrument tuner, Clean, quick navigation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Unlock | $7.99 | one-time |


## Frequently asked questions

### Is Guitar Visualizer free?

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

### Is Fret & Key free?

Fret & Key is free to download, with in-app purchases available.

### Which has better reviews, Guitar Visualizer or Fret & Key?

Fret & Key is rated higher. Guitar Visualizer averages 4.7 out of 5 from 44 ratings, while Fret & Key averages 5.0 from 1 ratings.

### Do Guitar Visualizer or Fret & Key have ads?

Neither Guitar Visualizer nor Fret & Key shows ads.

### Which is updated more often, Guitar Visualizer or Fret & Key?

Guitar Visualizer ships an update every 3 weeks, and Fret & Key every 9 days. Most recently, Guitar Visualizer was updated on November 9, 2026 and Fret & Key on November 6, 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.*