📊 29K iOS Apps Tracked Updated 2 min ago ⚡ Revenue Forecasts
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66
BU Score
Solid

Guitar Fretboard Note Trainer

4.5 ✍️ Editor
✍️ BU Analytics Review

Guitar Fretboard Note Trainer is an iOS app from Justin Guitar in the News category, currently rated 4.5★ across 155 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Our BU Score puts it at 66Solid (established niche player). For a News app, that means established niche player.

Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.

creator

📊 Performance Tracking LIVE

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idle
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Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
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since first record
Range:

💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 8 of 8 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Paid app ($0.00)METRIC
+$2,800
Excellent rating (4.5★)METRIC
+$2,200
worth every pennyREVIEW
+$2,000
bugsREVIEW
−$1,800
5 starREVIEW
+$1,800
Mature app (13y old)METRIC
+$1,500
Early-stage install base (155 ratings)METRIC
+$400
Single-language (English only)METRIC
−$400
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Sep 24
Feb 25
Mar 25
Mar 26

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 34 MB🔞 4+📱 iOS 10.3+🔖 v2.17🔄 updated 5y ago🌐 EN📂 News💰 Paid🚀 Launched 2013 (13y old)

📝 About this app

The Guitar Note Trainer is an app to help you learn the notes on the guitar neck - one of the most essential skills for progressing guitarists!

It has four training modes, Name The Note where you have to name the note shown on the neck, Find A Note where you have to find a given note on the neck in all 6 positions, Memory Quiz 1 where you have to name a note having been given it's position, and Memory Quiz 2 where you must name all the notes across a given fret (a tough one!!).

There are some "Easy" options for those just starting out to limit your range of answers.

You also have an audio option to hear the notes as you select them!

If you really need to cheat you can swipe your finger diagonally across the fretboard and all the notes will show for a second :)

I'm sure you'll find this app very helpful, all you need to add is practice time!

Best wishes, Justin

🆕 What's New · v2.17

We've added a reference fretboard section to the app to show you all the notes on the fretboard for revision. We've also added options to allow you to choose which strings and which notes (whole notes only or all notes) are tested in the training modes. We've also updated the screen layouts so that they fit better on X style screens.

Please keep telling us what you think about the app and how we can improve it.

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Guitar Fretboard Note Trainer
Developer
Justin Guitar
Bundle ID
com.justinguitar.guitarnotetrainer
App Store URL
Open in App Store
Category
News
Content rating
4+
Languages
EN

Company

Website
Not found
Tagline
Today
Description
Find apps and games for iPhone, iPad, Mac, and more on the App Store.
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
OG image

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
ML model estimate / mo
$11.6K/mo
Top-grossing rank
Outside top 100 in US News
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
Not found
GitHub
Not found
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
Not found
Press / News
Not found

Contacts & Socials

Socials
Not found
Email
Not found
Phone
Not found
Contact page
Not found
About page
https://apps.apple.com/us/iphone/story/id1781301520
📈Ratings growth155 ratings+15400% lifetimeShow 3-year history estimate ▾Feb 2013May 2023May 2026
Tracked (53 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
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