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80
BU Score
Excellent

Justin Guitar: Gitarre Lernen

4.8 ✍️ Editor
✍️ BU Analytics Review

Justin Guitar: Gitarre Lernen is an iOS app from Musopia in the Education category, currently rated 4.8★ across 24,235 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Our BU Score puts it at 80Excellent (strong product-market fit). For a Education app, that means strong product-market fit.

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

📊 Performance Tracking LIVE

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Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
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💰 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 13 of 13 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Mid install base (24,235 ratings)METRIC
+$5,500
Paid app ($0.00)METRIC
+$2,800
Excellent rating (4.8★)METRIC
+$2,200
worth every pennyREVIEW
+$2,000
bugsREVIEW
−$1,800
5 starREVIEW
+$1,800
great valueREVIEW
+$1,600
excellent appREVIEW
+$1,500
Mature app (9y old)METRIC
+$1,500
highly recommendREVIEW
+$1,400
slowREVIEW
−$1,200
priceyREVIEW
−$800
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
Apr 25
May 25
Jun 25
Jul 25
Aug 25
Sep 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26
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 →
💾 332 MB🔞 9+📱 iOS 15.0+🔖 v3.23.9🔄 updated 2w ago🌐 EN📂 Education💰 Paid🚀 Launched 2016 (9y old)

📝 About this app

LEARN GUITAR – LESSONS WITH 2M+ HAPPY USERS
Learn guitar easily with Justin Guitar, the ultimate guitar learning app, created by the world’s best guitar teacher - JUSTIN SANDERCOE.

Trusted by over 1 million learners, Justin’s proven method guides you from your first chord to your favorite songs – with real results that users love!

Designed for complete beginners, this app leverages on Justin’s 20+ years of teaching experience and makes learning guitar simple and fun.

WHY YOU’LL LOVE JUSTIN GUITAR
1. Learn with a Proven Method
- Structured learning path that guides you step-by-step
- Keeps you practicing consistently from absolute beginner to confident player
- 2.4 million app downloads/ students worldwide
- Course level covers beginner Grade 1, 2 & 3!

2. Engaging, Bite-Size Lessons
- 210 video lessons (36+ hours total) designed for all beginners
- Short, easy-to-follow modules that fit any schedule
- Learn what to practice, how long, and when to progress
- Daily Practice Routine combines all key exercises into a simple 10-minute plan

3. Interactive Tools for Real Progress
- Interactive exercises to strengthen your skills
- One-Minute-Chord Change exercises for speed and accuracy
- Color-chord system for faster chord learning
- Easy-to-use guitar tuner
- Progress tracking to keep your learning journey on track

4. Play Songs You Love
- Over 1,500 hit songs
- New songs added regularly
- Module songs matched to your skill level
- Songbook with chords filter
- Create playlists, auto-play, and share

NEW SONG PLAYER UI
- Enhanced visuals and smoother navigation
- See the next chord with diagram or the strumming pattern
- Display lyrics for easier sing-along
- Play with a full band sound and optional vocals for a “real stage” experience
- Adjustable tempo – slow down or speed up songs to practice at your own pace
- Strumming pattern exercises – practice and adjust strumming along with the song

YOUR PERSONAL GUITAR TEACHER
Justin’s friendly, engaging style makes learning fun and structured. Even tricky skills like chord changes and strumming feel easy to master — like having a personal guitar trainer.

EVERYTHING YOU NEED TO LEARN GUITAR IN ONE APP
All your guitar tools in one place: lessons, practice routines, songbook with chord filter, tuner, and a beginner-friendly song player. Learn, practice, and play your favorite songs while tracking your progress and building confidence every day.

Millions of learners worldwide love how Justin Guitar makes guitar simple and effective — start your journey today and see how far you can go!

We’d love to hear your feedback - email us at justin.ios.feedback@musopia.net

*Not optimized for Apple Mac*
*Minimum requirements for this app:
- iPhone 6S or later (2015+)
- iPad 5th generation or later (2017+)
- iPad mini 4th generation or later (2015+)
- iPad Air 2nd generation or later (2014+)
- iPad Pro (2015+)
- iOS 15.0 or later

Important subscription information

Justin Guitar offers several FULL ACCESS subscription packages that unlock unlimited access to the entire song collection of Playground and all the stages of the Guitar Learning Path. New song releases are also included.

Subscription purchases are charged to your iTunes account upon confirmation of the purchase. All subscriptions will AUTOMATICALLY be renewed unless the auto-renew is turned off at least 24 hours prior to the end of the current period. Your iTunes account will be charged a renewal price equal to that of the original subscription within 24 hours prior to the end of the current period.

You can manage your subscriptions and turn off auto-renew by going to your Account Settings after the purchase. Subscriptions are non-refundable and may not be cancelled during an active subscription period.

Our privacy policy can be found at http://musopia.net/justin-privacypolicy
Terms of use: https://musopia.net/terms

🆕 What's New · v3.23.9

There's never been a better time to start playing, and with these latest app updates, your guitar journey is about to get even more exciting! Like a well-rehearsed orchestra, we’ve made a number of subtle adjustments and fine-tunings under the hood — you might not see them, but you’ll feel the harmony.

Profile & Insights

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

Identification

App name
Justin Guitar: Gitarre Lernen
Developer
Musopia
Bundle ID
net.musopia.fourchordsjustin
App Store URL
Open in App Store
Category
Education
Content rating
9+
Languages
EN

Company

Website
Not found
Tagline
Home
Description
The world feels different when there’s music in it. Musopia’s mission is to create entertaining apps that open up the magical powers of music in people and
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
$26.8K/mo
Top-grossing rank
🇬🇧#81 /100
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
https://www.linkedin.com/company/musopia/
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
https://www.musopia.net/blog/
Press / News
Not found

Contacts & Socials

Socials
linkedin
Email
%69%6e%66%6f@%6d%75%73%6f%70%69%61.%6e%65%74
Phone
Not found
Contact page
https://www.musopia.net/contact/
About page
Not found
📈Ratings growth24,249 ratings+39% lifetimeShow 3-year history estimate ▾May 2023Jan 2026May 2026
Tracked (46 weeks) Pre-tracking estimate (34 weeks) · model-based, ±5% noise · anchored to release date and current value
🗺️Geographic DistributionTop 10Top 30Top 60
GB#81
📊Category Rank Trajectory#81 now · best #75 · worst #100
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
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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