# Fretboard King vs GuitarDex

The clearest difference is in-app purchases: GuitarDex at none against Fretboard King's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Fretboard King sells 1 in-app purchase, starting at $1.99 per month. GuitarDex asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Fretboard King | GuitarDex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/fretboard-king-guitar-notes/id6795058772/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 14 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Paul McCarthy](https://appshunter.io/developer/1890678546) | [Ali Riaz](https://appshunter.io/developer/6807096870) |

## What reviewers say

### Fretboard King

[App page](https://appshunter.io/ios/app/fretboard-king-guitar-notes/id6795058772)

Master every note on the guitar fretboard with interactive drills and guided lessons. Improve your solos and overall playing by building instant recall of note locations and patterns across the entire neck. Practice anywhere, anytime, with or without your instrument.

**Highlights:** Note-find drill, Octave game, Mic note detection, Built-in tuner, Guided lessons, Fretboard Explorer, Progress tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fretboard King Pro | $1.99 | per month |


### GuitarDex

[App page](https://appshunter.io/ios/app/guitardex/id6807096868)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fretboard King free?

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

### Is GuitarDex free?

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

### Do Fretboard King or GuitarDex have ads?

Neither Fretboard King nor GuitarDex shows ads.

### Which is updated more often, Fretboard King or GuitarDex?

Fretboard King ships an update every 4 days, and GuitarDex every 4 days. Most recently, Fretboard King was updated on November 1, 2026 and GuitarDex on October 26, 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.*