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Note Rush: Learn to Read Music

60
Quality Score
Solid

Note Rush: Learn to Read Music

Medium confidence
4.2 ✍️ Editor
✍️ bumetric analysis

Note Rush: Learn to Read Music is an Android app from Thomas Grayston Software in the Music category, currently rated 4.2★ across 461 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.

Quality Score is 60: Solid (established niche player). For a Music app, that means established niche player. 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
$4.6K
per month
12-mo forecast
$4.0K – $14.5K
per month
24-mo forecast
$3.7K – $33.5K
per month
INDIE tier
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📊 Performance Tracking LIVE

Loading…
idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
since first record
ONE-TIME · BUILD 💰 Estimated build cost
$115K
What it cost to build · not monthly revenue
Likely range $85K – $155K
$25K · MVP floor $100K · indie scale $500K+ · studio build
📈 Pays back in ~2.1y 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
Music complexity ×1.45 +$22K
🌐 Cross-platform reach (iOS + Android) +$40K
Total estimate $115K
ONE-TIME · EXIT VALUE 💵 Estimated acquisition value
$75K
What it would sell for · not monthly revenue
Marketplace range $50K – $75K · 14× MRR multiple
💸 ~0.7× build cost (under-water)

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
Small user base (<1K ratings) -8%
Final multiple 14× MRR
👥 Estimated audience size
59K
Lifetime downloads (US-equivalent)
Monthly active
11K
Daily active
5.7K

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
📲 Music engagement ~130 installs / rating
🔁 Music D30 retention 20%
📍 DAU / MAU stickiness 0.50
DAU / MAU 50% sticky
🔬

How we forecast this revenue

MEDIUM CONFIDENCE
Baseline
$4.6K/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
6 months
$3.9K – $9.1K
12 months
$4.0K – $14.5K
24 months
$3.7K – $33.5K
Compound growth at +6.0% MoM (tier baseline for INDIE). Range widens with horizon — typical noise band ±40% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊

BU Investment Matrix

Early-stage solo · 43/100INDIE TIERexpected for tier
GrowthFounderQualityRevenueMonetiz.MoatMarketSafety
Growth Velocity
5.0
Founder Strength
4.7
Product Quality
5.9
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
4.5
Market Position
0.0
Operational Safety
10.0
  • 💰 Revenue: Modest — $1K - $11K/mo · INDIE tier · medium confidence, trajectory unclear.
  • ⭐ Quality: 4.19★ across 461 reviews — below category median.
  • 📍 Market: Not yet charting in any of the 9 monitored markets.
  • 📈 Growth: Insufficient signal to assess trajectory.
  • ⚠️ 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 = $82K-$147K.
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

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 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
Paid app ($8.99)METRIC
+$2,800
Mature app (9y old)METRIC
+$1,500
Good rating (4.2★)METRIC
+$800
Early-stage install base (461 ratings)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.

⭐ Rating Trend

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

Profile & Insights

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

Identification

App name
Note Rush: Learn to Read Music
Developer
Thomas Grayston Software
Bundle ID
com.TGSoftware.NoteRush
App Store URL
Open in App Store
Category
Music
Content rating
Not found
Languages
Not found

Company

Website
www.noterushapp.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
$4.6K/mo
Top-grossing rank
Not found
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

Contacts & Socials data not yet collected for this app.
📈Ratings growth461 ratings+40% lifetimeShow 3-year history estimate ▾Jun 2023Jan 2025Jun 2026
Tracked (1 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
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 to Read Music with Note Rush! Note Rush boosts your note reading speed and accuracy, building a strong mental model of where each written note is on your instrument. Now even better with Note Rush: 2nd Edition!

How it Works
---------------------------
Note Rush is like a virtual flash card deck for all ages that listens to you play each note, giving instant feedback and awarding stars based on speed and accuracy of note identification.

Race against the clock to improve your performance or hide the timer to gently engage those just starting out with the staff.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →
🔖 v2.01.7🔄 updated 0d ago📂 Music💰 Free
🧪

Tech & Domain Intel — noterushapp.com

Tech stack
Google Workspace
Derived from public RDAP + DNS TXT records (no scraping, no login).
🔔

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📝 Description

95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Note Rush: Learn to Read Music: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Read deep-dive →

Similar apps in Music

About this analysis
ZCAnalyzed by Zakhar Chumak · founder, bumetric·Full methodology·Medium confidence

Why medium confidence: 461 ratings · no founder-verified revenue (model estimate only).

Frequently Asked Questions

4 answers · auto-generated from this app's public data
How much does Note Rush make per month?
Based on our ML-calibrated revenue forecast, Note Rush earns approximately $4.6K/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 Note Rush?
Browse the full Music 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 Note Rush?
Note Rush is published by Thomas Grayston Software on the Google Play 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 Note Rush's BU Score?
Note Rush has a BU Score of 60/100 (Solid). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.