# Guitarist's Reference vs Advanced Sound

The clearest difference is price: Advanced Sound at Free against Guitarist's Reference's $19.99. Advanced Sound also leads on iOS requirement (8.0 vs 12.0). Guitarist's Reference's advantage is rating (4.8 vs 2.3) and review sentiment (62% vs 26%). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Advanced Sound is free to download; Guitarist's Reference costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Guitarist's Reference holds the better App Store score, 4.8 against 2.3. Both are backed by a comparable volume of ratings — 16 and 14 respectively. Written reviews point the same way: 62% of Guitarist's Reference's written reviews are positive against 26% of Advanced Sound's.

Guitarist's Reference ships an update every 3 weeks, Advanced Sound monthly. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Guitarist's Reference | Advanced Sound |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | **[4.8 (16 ratings)](https://appshunter.io/ios/app/guitarists-reference/id304048049/reviews)** | [2.3 (14 ratings)](https://appshunter.io/ios/app/advanced-sound/id1252708711/reviews) |
| Number of ratings | **16** | 14 |
| Positive reviews | **62.0% of reviews** | 25.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | Free |
| Size | 79 MB | 1 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [My App Catalog LLC](https://appshunter.io/developer/304048052) | [ADVSOUND, Inc.](https://appshunter.io/developer/1252708710) |

## What reviewers say

### Guitarist's Reference

[App page](https://appshunter.io/ios/app/guitarists-reference/id304048049)

This comprehensive suite offers a vast collection of guitar chords, scales, and arpeggios with clear diagrams and detailed theory. It includes tools for finding chord-scale relationships, exploring alternate tunings, and even a virtual guitar for practice.

**Highlights:** 3000+ guitar chords with diagrams, 42 scale types including modes and pentatonics, Arpeggio finder, 36 alternate tunings, Chord-scale relationship guide, Virtual guitar, Guitar tuner

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Comprehensive guitar reference
- 👍 Intuitive and easy to use
- 💡 Reverse chord finder
- 🚀 Detailed chord, scale, and arpeggio information
- 👍 Great for beginners and advanced players

**What reviewers complain about**

- 🐛 Occasional crashes and freezes
- 🔧 Missing some common chord and scale voicings
- 🔧 Chord playback implementation could be improved
- 🔧 Outdated or lacking support for newer iOS versions
- 🔧 Interface could use a more modern design

**Reported bugs**

- Chord finder not detecting all chord inversions
- Issues with alternate tuning functionality
- Compatibility problems with newer iOS versions

**Requested features**

- Ability to overlay multiple scales
- Customizable chord/scale display options
- Integrated tuner functionality
- Support for more alternate tunings
- Improved chord/scale audio playback


### Advanced Sound

[App page](https://appshunter.io/ios/app/advanced-sound/id1252708711)

Update the firmware on your Advanced Accessport to the latest version. This application ensures your device has the most current software for optimal performance.

**Highlights:** Update Accessport firmware, Access latest firmware versions, Ensure optimal device performance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Guitarist's Reference free?

Guitarist's Reference costs $19.99, with no in-app purchases.

### Is Advanced Sound free?

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

### Which has better reviews, Guitarist's Reference or Advanced Sound?

Guitarist's Reference is rated higher. Guitarist's Reference averages 4.8 out of 5 from 16 ratings, while Advanced Sound averages 2.3 from 14 ratings.

### Do Guitarist's Reference or Advanced Sound have ads?

Neither Guitarist's Reference nor Advanced Sound shows ads.

### Which is updated more often, Guitarist's Reference or Advanced Sound?

Guitarist's Reference ships an update every 3 weeks, and Advanced Sound monthly. Most recently, Guitarist's Reference was updated on October 17, 2026 and Advanced Sound on October 15, 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.*