# Guitarist's Reference vs Guitar Driller

The clearest difference is price: Guitar Driller at Free against Guitarist's Reference's $19.99. Guitar Driller also leads on review sentiment (78% vs 62%) and ratings volume (95 vs 16). Guitarist's Reference's advantage is in-app purchases (none vs 10) and update cadence (every 3 weeks vs every 2 months). On rating, ads, device support and iOS requirement there is nothing between them.

Guitar Driller is free to download; Guitarist's Reference costs $19.99 up front. Guitar Driller sells 10 one-off in-app purchases. Guitarist's Reference asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Guitarist's Reference against 4.7 for Guitar Driller. That said, the two scores are not equally well evidenced: Guitar Driller has 95 ratings behind it against 16, so its average is the more settled of the two. Written reviews are what separate them: 62% of Guitarist's Reference's written reviews are positive against 78% of Guitar Driller's.

Guitarist's Reference ships an update every 3 weeks, Guitar Driller every 2 months. Both last shipped on October 21, 2026.

## The numbers

| Metric | Guitarist's Reference | Guitar Driller |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | **[4.8 (16 ratings)](https://appshunter.io/ios/app/guitarists-reference/id304048049/reviews)** | [4.7 (95 ratings)](https://appshunter.io/ios/app/guitar-driller/id1332062503/reviews) |
| Number of ratings | 16 | **95** |
| Positive reviews | 62.0% of reviews | **78.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 79 MB | 28 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [My App Catalog LLC](https://appshunter.io/developer/304048052) | [Fonexsis](https://appshunter.io/developer/419001763) |

## 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


### Guitar Driller

[App page](https://appshunter.io/ios/app/guitar-driller/id1332062503)

Organize and enhance your guitar training with custom playlists. Integrate exercises from other compatible apps, add drum tracks, and fine-tune tempo and metronome settings for a personalized practice experience.

**Highlights:** Create and edit custom exercise playlists, Import exercises from other Fonexsis apps, Add drums to exercises, Store different tempo values per exercise, Modify metronome and drum set settings

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| (7-Note) Modal Arpeggios | $1.99 | one-time |
| Pentatonic: Chromatic Approach | $1.99 | one-time |
| Famous Riffs on Guitar | $1.99 | one-time |
| Sliding Pentatonic | $2.99 | one-time |
| Warm-up Licks | $2.99 | one-time |
| Crosspick Patterns | $3.99 | one-time |
| Lydian Triad Pairs | $4.99 | one-time |
| Ionian Displace Permutations | $4.99 | one-time |
| Melodic Minor Sequences | $4.99 | one-time |
| Guitar Aerobics | $6.99 | one-time |


## Frequently asked questions

### Is Guitarist's Reference free?

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

### Is Guitar Driller free?

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

### Which has better reviews, Guitarist's Reference or Guitar Driller?

Guitarist's Reference is rated higher. Guitarist's Reference averages 4.8 out of 5 from 16 ratings, while Guitar Driller averages 4.7 from 95 ratings.

### Do Guitarist's Reference or Guitar Driller have ads?

Neither Guitarist's Reference nor Guitar Driller shows ads.

### Which is updated more often, Guitarist's Reference or Guitar Driller?

Guitarist's Reference ships an update every 3 weeks, and Guitar Driller every 2 months. Most recently, Guitarist's Reference was updated on October 21, 2026 and Guitar Driller on October 21, 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.*