Highly recommended
I’m confident that this app will enable me (at long last) to really master the fretboard. Thank you, Justin!

Master the guitar fretboard quickly with daily exercises designed to build a deep understanding of note locations. This app helps you stop guessing and start knowing every note on your guitar, improving your playing.
1.0.3
July 8, 2026
• Fixed game screens getting cut off on smaller phones and in landscape mode. • Fixed sharp (#) and flat (b) note names being cut off in the "Find the Note" game on some devices. Accidentals like A# and Ab now display fully. • Improved sign-in reliability: brief network interruptions no longer sign you out. • Added an "App & version info" section under Instructions & Support, with a Copy button so you can easily share details when contacting our support team.
MoreJustinGuitar Note Trainer uses short, daily exercises to build a clear mental map of the guitar neck. It focuses on understanding note locations rather than memorizing shapes, helping you stop guessing and know the notes.
The app employs a methodology of smart repetition to reinforce weak spots and build a real understanding of the fretboard. It avoids diagrams and charts, focusing on practical application through simple exercises.
JustinGuitar Note Trainer is a paid app, available for a one-time purchase of $4.99. There are no in-app purchases or subscriptions required.
No, JustinGuitar Note Trainer is ad-free. You can practice without any interruptions from advertisements.
JustinGuitar Note Trainer is available for iPhone, iPad, and iPod devices. It is designed for iOS users.
The app was last updated on July 8, 2026, with version 1.0.3. This indicates a recent update, suggesting ongoing support and potential for future improvements.
JustinGuitar Note Trainer has an age rating of 4+. This makes it suitable for a wide range of users, including younger learners.
While the description emphasizes smart repetition to reinforce weak spots, specific details on explicit progress tracking features are not provided. The focus is on building a consistent daily practice habit.