60
BU Score
Solid
Solfeggio Musiklehrer zu lesen
✍️ BU Analytics Review
“
Solfeggio Musiklehrer zu lesen is an iOS app from Alain Kong in the News category, currently rated 4.6★ across 66 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.
Our BU Score puts it at 60 — Solid (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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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
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 7 of 7 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 (4.6★)METRIC | +$2,200 | |
| Mature app (11y old)METRIC | +$1,500 | |
| Multilingual (21 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| Pre-traction phase (66 ratings)METRIC | −$300 |
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.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 8 MB🔞 4+📱 iOS 9.0+🔖 v3.6🔄 updated 5y ago🌐 AR, CS, DA, NL, EN +16📂 News💰 Paid🚀 Launched 2014 (11y old)
📝 About this app
Solfa. Learn to sight read music notes. Sight read in G & F Clef. Notes above and below staff. Span 6 octaves. Applies to any instrument. Notes generated randomly and not limited to a repeating set. Switch between clefs for even more fun. Answer key for starters. Beginners set the pace by limiting the octave section to learn. Message displaying the right note if you miss. Major and Minor Scales (Sharps and Flats). Goes as fast as the notes are identified. Test score and performance statistics. Piano sound can be muted. Great for phones. Perfect for tablets.
Available Notation:
(C D E F G A B)
(C D E F G A H)
(Do Ré Mi Fa Sol La Si)
(Do Re Mi Fa Sol La Si)
(Ni Pa Vu Ga Di Ke Zo)
(ハ ニ ホ ヘ ト イ ロ)
(Sa Re Ga Ma Pa Dha Ni)
Alternate sound:
Guitar
Organ
Trumpet
Vibraphone
Violin
Oboe
Clarinet
Timpani
Recorder
Bird
Telephone
Available Notation:
(C D E F G A B)
(C D E F G A H)
(Do Ré Mi Fa Sol La Si)
(Do Re Mi Fa Sol La Si)
(Ni Pa Vu Ga Di Ke Zo)
(ハ ニ ホ ヘ ト イ ロ)
(Sa Re Ga Ma Pa Dha Ni)
Alternate sound:
Guitar
Organ
Trumpet
Vibraphone
Violin
Oboe
Clarinet
Timpani
Recorder
Bird
Telephone
🆕 What's New · v3.6
minor change
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Solfeggio Musiklehrer zu lesen
- Developer
- Alain Kong
- Bundle ID
- ngfSoft.Solfa
- App Store URL
- Open in App Store
- Category
- News
- Content rating
- 4+
- Languages
- AR, CS, DA, NL, EN, FI, FR, DE, HU, IT, JA, KO, NB, PL, PT, RO, RU, ZH, ES, SV, ZH
Company
- Website
- learnsightreadmusicnotes.weebly.com
- Tagline
- SOLFA - LEARN SIGHT READ MUSIC NOTES & MUSIC INSTRUMENTS
- Description
- SOLFA - LEARN SIGHT READ MUSIC NOTES & MUSIC INSTRUMENTS
- 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
- $1.3K/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
- 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
- Not found
- Phone
- Not found
- Contact page
- https://learnsightreadmusicnotes.weebly.com/contact.html
- About page
- https://learnsightreadmusicnotes.weebly.com/about.html
📈Ratings growth66 ratings+6500% lifetimeShow 3-year history estimate ▾
Tracked (23 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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