Comparison · Music theory learning resources
JustinGuitar vs musictheory.net: which is better in 2026?
musictheory.net ranks higher in our list of music theory learning resources (#1 against #5, score 90.5 against 79.0).
Choose JustinGuitar if you want
Guitar players who want free structured courses.
Free, structured guitar courses that teach theory through playing and a song section for popular tunes. It covers guitar only, so pianists and other players need a different resource.
Choose musictheory.net if you want
Structured theory lessons from the basics up.
Structured lessons, drills, ear trainers and calculators that move from the basics to intermediate theory. It is the most direct path for a beginner, though it goes less deep into history and analysis.
Side by side
 JustinGuitar |  musictheory.net | |
|---|---|---|
| Score | 79.0 | 90.5 |
| Rank in list | #5 of 6 | #1 of 6 |
| Price | FreeLessons described as free on the home page | FreeNo paywall on the pages checked |
| Free to use | Yes | Yes |
| Open source | No | No |
| Platforms | WebWeb | WebWeb |
| Made by | Justin Sandercoe | musictheory.net, LLC |
| Main focus | Guitar lessons | Theory lessons and drills |
| Instruments covered | Guitar only | Theory for any instrument |
| Format | Video lessons and songs | Lessons, exercises and calculators |
| Best for | Guitar players who want free structured courses | Structured theory lessons from the basics up |
| Strengths |
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| Limits |
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| Links | Visit site | Visit site |
Questions about JustinGuitar vs musictheory.net
- Is musictheory.net better than JustinGuitar?
- musictheory.net ranks higher in our list of music theory learning resources (#1 against #5, score 90.5 against 79.0). JustinGuitar is best for: guitar players who want free structured courses. musictheory.net is best for: structured theory lessons from the basics up.
- Which is cheaper, JustinGuitar or musictheory.net?
- JustinGuitar: Lessons described as free on the home page. musictheory.net: No paywall on the pages checked.
- Do JustinGuitar and musictheory.net run on the same platforms?
- JustinGuitar supports Web. musictheory.net supports Web.