# Guitar Permutation Trainer vs Chord Navigator

The clearest difference is price: Chord Navigator at Free against Guitar Permutation Trainer's $1.99. Chord Navigator also leads on update cadence (every 11 days vs every 3 months) and iOS requirement (15.1 vs 26.0). Guitar Permutation Trainer's advantage is in-app purchases (none vs 2). On ads and device support there is nothing between them.

Chord Navigator is free to download; Guitar Permutation Trainer costs $1.99 up front. Chord Navigator sells 2 in-app purchases, starting at $0.99 per month. Guitar Permutation Trainer asks for nothing beyond the download.

Guitar Permutation Trainer ships an update every 3 months, Chord Navigator every 11 days. Both last shipped on October 28, 2026.

## The numbers

| Metric | Guitar Permutation Trainer | Chord Navigator |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 11 days** |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 36 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Benjamin Chouinard](https://appshunter.io/developer/1826188450) | [DOSEONG KANG](https://appshunter.io/developer/6772862883) |

## What reviewers say

### Guitar Permutation Trainer

[App page](https://appshunter.io/ios/app/guitar-permutation-trainer/id6748545844)

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

**In-app purchases:** none


### Chord Navigator

[App page](https://appshunter.io/ios/app/chord-navigator-progression/id6772862881)

Analyze chord progressions and understand music theory with this app. It provides chord function analysis, guitar diagrams for fingering, and visualization of scales and chord tones on a fretboard. Hear chords directly with MIDI playback.

**Highlights:** Chord progression analysis, Guitar chord diagrams, Scale visualization, Piano chord diagrams, MIDI playback

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 월간 구독 | $0.99 | per month |
| Lifetime Premium | $4.99 | one-time |


## Frequently asked questions

### Is Guitar Permutation Trainer free?

Guitar Permutation Trainer costs $1.99, with no in-app purchases.

### Is Chord Navigator free?

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

### Do Guitar Permutation Trainer or Chord Navigator have ads?

Neither Guitar Permutation Trainer nor Chord Navigator shows ads.

### Which is updated more often, Guitar Permutation Trainer or Chord Navigator?

Guitar Permutation Trainer ships an update every 3 months, and Chord Navigator every 11 days. Most recently, Guitar Permutation Trainer was updated on October 28, 2026 and Chord Navigator on October 28, 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.*