# Guitar 3D vs Chord Doctor

The clearest difference is update cadence: Chord Doctor at weekly against Guitar 3D's every 2 months. Guitar 3D's advantage is ratings volume (741 vs 7). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Guitar 3D sells 7 one-off in-app purchases and Chord Doctor sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Chord Doctor holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Guitar 3D has 741 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 99% of Guitar 3D's written reviews are positive against 100% of Chord Doctor's.

Guitar 3D ships an update every 2 months, Chord Doctor weekly. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Guitar 3D | Chord Doctor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (741 ratings)](https://appshunter.io/ios/app/guitar-3d-basic-chords/id1255417133/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/chord-doctor/id6461165085/reviews)** |
| Number of ratings | **741** | 7 |
| Positive reviews | 98.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 145 MB | 28 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Polygonium](https://appshunter.io/developer/544258399) | [Mike De Grace Zachary](https://appshunter.io/developer/1702354906) |

## What reviewers say

### Guitar 3D

[App page](https://appshunter.io/ios/app/guitar-3d-basic-chords/id1255417133)

Learn guitar chords, strumming, and fingerpicking with interactive 3D visualizations. Compose your own music using a simple editor and hear real guitar sounds. Ideal for visual learners wanting to play basic guitar quickly.

**Highlights:** 3D right and left hand viewer, Chord chain editor, Auto play & loop, Speed control, Chord training game, Left-handed guitarist support, Chord library

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Classical Guitar | $1.99 | one-time |
| Acoustic Guitar | $1.99 | one-time |
| Classical Guitar | $2.99 | one-time |
| Acoustic Guitar | $2.99 | one-time |
| Electro-Classical Guitar | $2.99 | one-time |
| Guitar Bundle | $4.99 | one-time |
| Guitar Bundle | $7.99 | one-time |

**What reviewers like**

- 👍 Excellent visuals
- 👍 Easy to use
- 👍 Helpful for learning chords
- 👍 Great for beginners
- 👍 Intuitive interface

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🐛 Difficulty seeing strings being picked
- 🐛 Slow or disjointed performance
- 🐛 No sound in some cases

**Reported bugs**

- Login screen freezes
- Incompatible with older devices

**Requested features**

- Include more advanced chords and chord progressions
- Add interval display
- Incorporate barred chords
- Integrate with a DAW or guitar pro software
- Provide a song library with popular songs


### Chord Doctor

[App page](https://appshunter.io/ios/app/chord-doctor/id6461165085)

Learn fundamental music theory concepts through structured lessons and adaptive quizzes. The app intelligently revisits incorrect answers to ensure mastery. Ideal for students, aspiring improvisers, and anyone seeking a deeper understanding of music.

**Highlights:** Structured music theory units, Adaptive quiz system, Teacher's logic for learning, Progressive difficulty, Focus on basic materials

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Level | $4.49 | one-time |
| Expert Level | $4.49 | one-time |


## Frequently asked questions

### Is Guitar 3D free?

Guitar 3D is free to download, with in-app purchases available.

### Is Chord Doctor free?

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

### Which has better reviews, Guitar 3D or Chord Doctor?

Chord Doctor is rated higher. Guitar 3D averages 4.8 out of 5 from 741 ratings, while Chord Doctor averages 5.0 from 7 ratings.

### Do Guitar 3D or Chord Doctor have ads?

Neither Guitar 3D nor Chord Doctor shows ads.

### Which is updated more often, Guitar 3D or Chord Doctor?

Guitar 3D ships an update every 2 months, and Chord Doctor weekly. Most recently, Guitar 3D was updated on October 20, 2026 and Chord Doctor on October 24, 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.*