49
BU Score
Emerging
Perfect Kalimba
✍️ bumetric analysis
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Perfect Kalimba is an iOS app from SENSOR NOTES JOINT STOCK COMPANY in the News category, currently rated 4.0★ across 65 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Our BU Score puts it at 49: Emerging (early traction worth watching). For a News app, that means early traction worth watching.
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
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Reviews
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Forecast Revenue / mo
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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 5 of 5 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 | |
| Good rating (4.0★)METRIC | +$800 | |
| Established app (4y old)METRIC | +$800 | |
| Single-language (English only)METRIC | −$400 | |
| Pre-traction phase (65 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 →💾 77 MB🔞 4+📱 iOS 8.0+🔖 v4.3🔄 updated 4y ago🌐 EN📂 News💰 Paid🚀 Launched 2021 (4y old)
📝 About this app
With Perfect Kalimba Tabs, you have a real virtual kalimba music instrument right in your pocket! No need to carry your instrument all the time, you can start jamming at any time, play riffs tabs and chords anywhere, anytime... This Kalimba connect tutor is one of the best virtual Kalimba connect for mobile & tablet. The app offers tons of songs with easy lessons, and we add new tabs every week! Don't waste more time, start playing now!...
Features:
- Full string Kalimba connect with 17 keys
- Play with 1,000,000+ song from music kalimba tabs songbooks
- Connect with real Kalimba with notes recognition mode
- Daily Challenge mode
- Global Leaderboard
- Multi-touch and swipe supported
- Be able to record kalimba connect while playing
- Supports a wide variety of keyboard instruments (Piano, Grand Piano, Pipe Organ, Harpsichord, Accordion, Electric Guitar, Harp, Cello Pizzicato, Guzheng, Nylon Guitar, Plucked String, Music Box, Sitar, Xylophone, Harp, Vibes, Clarinet, Ukulele, Brass, Thai Bells, Tabbla, Dizi, Banjo, Flute, Saxophone, Cellto, Hamonica, Trumpet, Violin, Panpipe, Maracas, Tuba, Dulcimer, Kalimba,...)
- Lessons Kalimba mode for easy learning
- Magic Kalimba mode added
- Kalimba tuner
Features:
- Full string Kalimba connect with 17 keys
- Play with 1,000,000+ song from music kalimba tabs songbooks
- Connect with real Kalimba with notes recognition mode
- Daily Challenge mode
- Global Leaderboard
- Multi-touch and swipe supported
- Be able to record kalimba connect while playing
- Supports a wide variety of keyboard instruments (Piano, Grand Piano, Pipe Organ, Harpsichord, Accordion, Electric Guitar, Harp, Cello Pizzicato, Guzheng, Nylon Guitar, Plucked String, Music Box, Sitar, Xylophone, Harp, Vibes, Clarinet, Ukulele, Brass, Thai Bells, Tabbla, Dizi, Banjo, Flute, Saxophone, Cellto, Hamonica, Trumpet, Violin, Panpipe, Maracas, Tuba, Dulcimer, Kalimba,...)
- Lessons Kalimba mode for easy learning
- Magic Kalimba mode added
- Kalimba tuner
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Perfect Kalimba
- Developer
- SENSOR NOTES JOINT STOCK COMPANY
- Bundle ID
- app.sensornotes.perfectkalimba
- App Store URL
- Open in App Store
- Category
- News
- Content rating
- 4+
- Languages
- EN
Company
- Website
- sensornotes.com
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $86/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
- Not found
- About page
- Not found
📈Ratings growth65 ratings+6400% lifetimeShow 3-year history estimate ▾
Tracked (13 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.
Full revenue analysis
Read the article-style breakdown for Perfect Kalimba: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.