Justin Guitar: Gitarre Lernen
80
Quality Score
Excellent
Justin Guitar: Gitarre Lernen
High confidence
✍️ bumetric analysis
“
Justin Guitar: Gitarre Lernen is an iOS app from Musopia in the Education category, currently rated 4.8★ across 24,261 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 80: Excellent (strong product-market fit). For a Education app, that means strong product-market fit. The full BU Investment Matrix below scores 8 dimensions including monetisation, growth, and operational risk.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
💰 Monthly revenue · now vs forecast
● Right now
$700K
per month
→
12-mo forecast
$741K – $1141K
per month
→
24-mo forecast
$886K – $1645K
per month
BIG tier
💡 Grow this revenue
Free AI audit of this app’s store listing
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
Typical impact: +2-5× organic installs
📊 Performance Tracking LIVE
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD
💰 Estimated build cost
$110K
↳ What it cost to build · not monthly revenue
Likely range $80K – $150K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~4 months at current MRR
Synthetic estimate. Inputs: category complexity, file size, screen count, monetization layer, platform reach, age × team-size proxy. Calibrated against 2024-2026 indie-agency rate surveys. Full math + source list on /methodology.
Where the money goes
| 🧱 MVP baseline (design + 1-store ship) | +$28K |
| 📱 5 unique screens × $4.5K | +$22K |
| 📦 Asset bundle (338 MB) | +$40K |
| ⚙ Education complexity ×1.20 | +$18K |
Total estimate
$110K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$500K
↳ What it would sell for · not monthly revenue
Marketplace range $375K – $600K · 18× MRR multiple
💸
~4.5× return on build cost
Synthetic estimate. Multiple band derived from ad-supported + age, rating quality, category demand, and user-base maturity. Calibrated against 2024-2026 indie-app-marketplace closed-deal medians. Full math + comparable deal list on /methodology.
How the multiple was built
| 📺 Ad-supported base | 15× MRR |
| ⭐ ★ rating ≥ 4.7 (premium) | +15% |
| 🏷 Education category multiple | +6% |
Final multiple
18× MRR
👥 Estimated audience size
2.0M
Lifetime downloads (US-equivalent)
Monthly active
365K
Daily active
105K
Synthetic estimate from ratings × category benchmarks. Calibrated against 2024-2026 mobile-attribution retention + DAU/MAU reports. Numbers are US-storefront-equivalent — true global audience can be 5-10× larger for international apps. Full math + source list on /methodology.
How we sized it
| 📲 Education engagement | ~85 installs / rating |
| 🔁 Education D30 retention | 18% |
| 📍 DAU / MAU stickiness | 0.30 |
DAU / MAU
29% sticky
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$700K/mo · ML-estimated from 234 triggers
Growth rate
+2.5% MoM · BIG tier baseline (compound monthly)
6 months
$690K – $933K
12 months
$741K – $1.1M
24 months
$886K – $1.6M
Compound growth at +2.5% MoM (tier baseline for BIG). Range widens with horizon — typical noise band ±15% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Mixed signals · 57/100BIG TIERcompetitive but cautiousGrowth Velocity
5.0
Founder Strength
6.2
Product Quality
9.7
Revenue Strength
5.8
Monetization Maturity
1.0
Defensibility
5.9
Market Position
2.0
Operational Safety
10.0
- 💰 Revenue: Healthy — $280K - $1540K/mo · BIG tier · medium-low confidence, trajectory unclear.
- ⭐ Quality: 4.84★ across 24,261 reviews — exceptional (top 1% in category).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: dev shipping weekly.
- ⚠️ Risk: Low — no material risk signals detected.
🎯 For competitors: Mixed picture. Worth competing if you have a clear UX or pricing edge — otherwise crowded segment.
💵 For acquirers: Estimated asking range 18-32× monthly = $12.6M-$22.4M.
Composite of 8 dimensions computed deterministically from public signals — no LLM, every score traces back to a measurable input. Default weights shown; "compete" / "acquire" / "invest" lenses re-weight without re-fetching.
Range:
💰 Forecast Revenue / mo
MODELRevenue 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 (24,261 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
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🆕 What's New · v3.24.1
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!
- The Perfect Fast Changes exercise now features chord detection to help you track your accuracy.… Full release notes →
- The Perfect Fast Changes exercise now features chord detection to help you track your accuracy.… Full release notes →
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
- Available
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
- 🇬🇧#51 /100 🇦🇺#52 /100 🇺🇸#79 /100 🇨🇦#92 /100 🇩🇪#98 /100
- All-time revenue
- Not found
- Pricing
- Not found
Founder
Founder data not yet collected for this app.
Funding
Funding data not yet collected for this app.
Press & Links
Press & Links data not yet collected for this app.
Contacts & Socials
- Socials
- linkedin linkedin.com/company/musopia
- %69%6e%66%6f@%6d%75%73%6f%70%69%61.%6e%65%74
- Phone
- Not found
- Contact page
- musopia.net/contact
- About page
- Not found
📈Ratings growth24,742 ratings+45% lifetimeShow 3-year history estimate ▾
Tracked (45 weeks) Pre-tracking estimate (34 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Top Countries — Grossing Rank5 countries
🇬🇧GB#51 /100
🇦🇺AU#52 /100
🇺🇸US#79 /100
🇨🇦CA#92 /100
🇩🇪DE#98 /100
📊Category Rank Trajectory#51 now · best #47 · worst #100
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
🚀Version Release Timeline3 releases tracked
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.
📝 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… View full description on the official store →
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… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 338 MB🔞 9+📱 iOS 15.0+🔖 v3.24.1🔄 updated 0d ago🌐 EN📂 Education💰 Paid
📅
What Worked™ · Development Pipeline
9 EVENTS TRACKEDDetected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-05
⭐
Rating ↑ 3.91 → 4.84 (improved 0.93★)
2026-05
📈
Crossed 500 ratings — social-proof flywheel kicking in
2026-03
⭐
Rating ↓ 4.80 → 3.90 (dropped 0.90★)
2026-03
⭐
Rating ↑ 3.90 → 4.80 (improved 0.90★)
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
2024-08
📈
Crossed 100 ratings — social-proof flywheel kicking in
2024-05
📈
Crossed 50 ratings — social-proof flywheel kicking in
2024-03
📈
Crossed 10 ratings — social-proof flywheel kicking in
2024-02
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.82792★ | 2,342 | 4.82792★ this version |
| 🇧🇷 BR | 4.83838★ | 99 | 4.83838★ this version |
| 🇨🇦 CA | 4.80081★ | 3,449 | 4.80081★ this version |
| 🇩🇪 DE | 4.79338★ | 1,239 | 4.79338★ this version |
| 🇫🇷 FR | 4.74674★ | 308 | 4.74674★ this version |
| 🇬🇧 GB | 4.8173★ | 6,705 | 4.8173★ this version |
| 🇮🇳 IN | 4.68932★ | 515 | 4.68932★ this version |
| 🇯🇵 JP | 4.83929★ | 56 | 4.83929★ this version |
| 🇺🇸 US | 4.84169★ | 24,742 | 4.84169★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Justin Guitar: Gitarre Lernen: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Musopia
View all →📦 Portfolio summaryINDIE studio
4apps·$28K/mocombined
⚠ Concentrated — top app contributes 93% of combined revenue (single-app dependency)
About this analysis
Why high confidence: 24,261 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Justin Guitar make per month?▴
Based on our ML-calibrated revenue forecast, Justin Guitar earns approximately $26K/mo. This is a US-storefront-equivalent estimate; global revenue can be several times larger for internationally-distributed apps. See the methodology page for the full formula and confidence bands.
What apps are like Justin Guitar?▴
Browse the full Education category catalog to find similar apps with revenue, build cost, audience and tech stack data. Each /p/{slug} page also shows a Compare side-by-side widget with three peer apps from the same niche.
Who makes Justin Guitar?▴
Justin Guitar is published by Musopia on the Apple App Store. See the full publisher portfolio (other apps by the same developer) via the More by developer block on the product page above.
What is Justin Guitar's BU Score?▴
Justin Guitar has a BU Score of 80/100 (Excellent). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.