40
Quality Score
Emerging
Marshall Multi-Room
Why medium confidence: 461 ratings · no founder-verified revenue (model estimate only).
✍️ bumetric analysis
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Marshall Multi-Room is an Android app from Marshall Group AB in the Music & Audio category, currently rated 2.6★ across 461 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Quality Score is 40: Emerging (early traction worth watching). For a Music & Audio app, that means early traction worth watching. 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.
💰 Revenue · today and ahead
Today
$500/mo
In 12 months
$437 – $1575
In 24 months
$405 – $3644
INDIE 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
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD💰 Estimated build cost
$165K
↳ What it cost to build · not monthly revenue
Likely range $125K – $225K
$25K · MVP floor$100K · indie scale$500K+ · studio build
📈Slow ROI — current MRR is well below build cost
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 & Audio complexity ×1.45 | +$22K |
| 🌐Cross-platform reach (iOS + Android) | +$40K |
| ⚙8.7y maintenance × ~1-person team | +$52K |
Total estimate$165K
👥 Estimated audience size
41K
Lifetime downloads (US-equivalent)
Monthly active
4.9K
Daily active
2.4K
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 & Audio engagement | ~130 installs / rating |
| 📅8.7y of rating accumulation | -30% |
| 🔁Music & Audio D30 retention | 20% |
| 📍DAU / MAU stickiness | 0.50 |
DAU / MAU49% sticky
🛠 Estimated tech stack
🤖
Native Android (Kotlin)
High confidence · 80%
Also possible
Flutter
Heuristic guess from app bundle size, category, store description signals, and release-date stack era. Bumetric does not disassemble binaries — for binary-level certainty you would need an SDK intelligence tool or the manifest itself. Reasoning chain on the right. Full ruleset on /methodology.
Signals we read
| 🏷Category context | Music & Audio |
| 📦Compact Android bundle | → Native Kotlin |
💀 Maintenance status
Likely abandoned
95%
Last shipped 2019-10-04 · 2423 days ago
0 · Active50 · At risk100 · Abandoned
Heuristic risk score from time-since-last-update + ratings velocity proxy + Editor's Choice / curated featuring signals. Calibrated against 2024-2025 app-store ranking decay reports. Not a guarantee — a quiet app with a healthy codebase looks the same as an abandoned one until something breaks. Full math on /methodology.
Risk signals
| 📅6y+ since last update | Likely abandoned |
| 👥Small user base (461 ratings) + 8.7y old | +10% (solo-project pattern) |
VerdictLikely abandoned
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$500/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$426 – $993
12 months
$437 – $1.6K
24 months
$405 – $3.6K
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
Pre-traction · 31/100INDIE TIERlimited signalGrowth Velocity
5.0
Founder Strength
3.5
Product Quality
3.7
Revenue Strength
2.7
Monetization Maturity
1.0
Defensibility
4.2
Market Position
0.0
Operational Safety
5.0
- 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 2.64★ across 461 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 2421d ago — possibly dormant.
- ⚠️ Risk: Elevated — dormant (2421d since update).
🎯 For competitors: Vulnerable. Quality drift + slow updates create a clear opening for a fresh competitor with active dev cadence.
💵 For acquirers: Estimated asking range 18-32× monthly = $9K-$16K.
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 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Below-average rating (2.6★)METRIC | −$1,500 | |
| Mature app (8y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (461 ratings)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.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v1.2.5🔄 updated 6y ago📂 Music & Audio💰 Free🚀 Launched 2017 (8y old)
📝 About this app
Unlock the full potential of your Marshall Wireless Multi-Room System.
Use the Marshall Multi-Room App to:
- Group or ungroup your Multi-Room speakers
- Save, play and change your seven presets
- Access thousands of Internet radio stations
- Use the in-app equaliser to tweak treble and bass balance
- Adjust the intensity of the LEDs
Use the Marshall Multi-Room App to:
- Group or ungroup your Multi-Room speakers
- Save, play and change your seven presets
- Access thousands of Internet radio stations
- Use the in-app equaliser to tweak treble and bass balance
- Adjust the intensity of the LEDs
🧪
Tech & Domain Intel — marshallheadphones.com
- Mail provider
- Microsoft 365
Derived from public RDAP + DNS TXT records (no scraping, no login).
🔔
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Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Marshall Multi-Room
- Developer
- Marshall Group AB
- Bundle ID
- com.zoundindustries.marshall
- App Store URL
- Open in App Store
- Category
- Music & Audio
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.marshallheadphones.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
- $291/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+42% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (36 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.
Similar apps in Music & Audio
Full revenue analysis
Read the article-style breakdown for Marshall Multi-Room: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
❓ Frequently Asked Questions
9 answers · auto-generated from this app's public dataHow much does Marshall Multi-Room make per month?▾
Based on our ML-calibrated revenue forecast, Marshall Multi-Room earns approximately $290/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.
Is Marshall Multi-Room profitable?▾
With estimated build cost $165K and monthly revenue $290, Marshall Multi-Room looks well below break-even — current monthly revenue is much smaller than the estimated build cost. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Marshall Multi-Room have?▾
Estimated audience: ~41K lifetime downloads, ~4K monthly active users, and ~2K daily active users. Derived from ratings count × category installs-per-rating × age decay. US-storefront-equivalent — global audience can be 5-10× larger for internationally-distributed apps.
What apps are like Marshall Multi-Room?▾
Browse the full Music & Audio 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.
What is Marshall Multi-Room built with?▾
Our heuristic places Marshall Multi-Room on the Native Android (Kotlin) stack (High confidence, 80%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
Is Marshall Multi-Room still actively maintained?▾
Maintenance status: Likely abandoned (95% abandonment risk). Last shipped version was 6+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
When was Marshall Multi-Room last updated?▾
Marshall Multi-Room last shipped a new version on 2019-10-04 — more than 6 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Marshall Multi-Room?▾
Marshall Multi-Room is published by Marshall Group AB 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 Marshall Multi-Room's BU Score?▾
Marshall Multi-Room has a BU Score of 40/100 (Emerging). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.