Mystery OTRadio - The Whistler
53
Quality Score
Solid
βοΈ Bumetric analysis
“
Mystery OTRadio - The Whistler is an Android app from Marian Barbutu in the Entertainment category, currently rated 4.7β across 15 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 53: Solid (established niche player). For a Entertainment 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.
π° Monthly revenue Β· now vs forecast
β Right now
$500
per month
β
12-mo forecast
$437 β $1575
per month
β
24-mo forecast
$405 β $3644
per month
INDIE tier
π‘ Grow this revenue
Free AI audit of this appβs store listing
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
Typical impact: +2-5Γ organic installs
π Performance Tracking LIVE
2 snapshots on record
Rating
4.7
Reviews
15 reviews
Forecast Revenue / mo
$500
Snapshots tracked
2
since May 2026
ONE-TIME Β· BUILD
π° Estimated build cost
$135K
β³ What it cost to build Β· not monthly revenue
Likely range $100K β $180K
$25K Β· MVP floor
$100K Β· indie scale
$500K+ Β· studio build
π
Slow ROI β current MRR is well below build cost
Synthetic estimate. Inputs: category complexity, file size, screen count, monetization layer, platform reach, age Γ team-size proxy. Calibrated against 2024-2026 indie-agency rate surveys. Full math + source list on /methodology.
Where the money goes
| 𧱠MVP baseline (design + 1-store ship) | +$28K |
| π± 5 unique screens Γ $4.5K | +$22K |
| β Entertainment complexity Γ1.30 | +$15K |
| π Cross-platform reach (iOS + Android) | +$36K |
| β 5.3y maintenance Γ ~1-person team | +$32K |
Total estimate
$135K
ONE-TIME Β· EXIT VALUE
π΅ Estimated acquisition value
$10K
β³ What it would sell for Β· not monthly revenue
Marketplace range $5K β $10K Β· 17Γ MRR multiple
πΈ
~0.1Γ 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
| πΊ Ad-supported base | 15Γ MRR |
| π 5.3y proven track record | +20% |
| β β rating β₯ 4.4 (solid) | +8% |
| π· Entertainment category multiple | -5% |
| β Small user base (<1K ratings) | -8% |
Final multiple
17Γ MRR
π Estimated tech stack
π€
Native Android (Kotlin)
High confidence Β· 80%
Also possible
Flutter
Heuristic guess from app bundle size, category, store description signals, and release-date stack era. Bumetric does not disassemble binaries β 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
| π· Category context | Entertainment |
| π¦ Compact Android bundle | β Native Kotlin |
π Maintenance status
Likely abandoned
82%
Last shipped 2024-11-23 Β· 692 days ago
0 Β· Active
50 Β· At risk
100 Β· 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 β a quiet app with a healthy codebase looks the same as an abandoned one until something breaks. Full math on /methodology.
Risk signals
| π 1y 10mo since last update | Likely deprioritized |
| π₯ Small user base (15 ratings) + 5.3y old | +10% (solo-project pattern) |
Verdict
Likely abandoned
π¬
How we forecast this revenue
LOW CONFIDENCEBaseline
$500/mo Β· ML-estimated from 234 triggers
Growth rate
+6.0% MoM Β· INDIE tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$426 β $993
12 months
$437 β $1.6K
24 months
$405 β $3.6K
Compound growth at +6.0% MoM (tier baseline for INDIE). Range widens with horizon β typical noise band Β±40% at 6mo.. Ranges widen with horizon β distant futures carry more uncertainty.
π
BU Investment Matrix
Pre-traction Β· 38/100INDIE TIERlimited signalRevenue Strength
2.7
Product Quality
3.7
Market Position
0.0
Growth Velocity
5.0
Defensibility
6.3
Operational Safety
7.0
Founder Strength
4.6
Monetization Maturity
1.0
- π° Revenue: Marginal β $200 - $1250/mo Β· INDIE tier Β· medium confidence, trajectory unclear.
- β Quality: 4.67β across 15 reviews β weak β significant quality concerns.
- π Market: Not yet charting in any of the 9 monitored markets.
- π Growth: β last update 692d ago β possibly dormant.
- β οΈ Risk: Moderate β dormant (692d since update).
π― For competitors: Mixed picture. Worth competing if you have a clear UX or pricing edge β otherwise crowded segment.
π΅ For acquirers: Estimated asking range 18-32Γ monthly = $9K-$16K.
Composite of 8 dimensions computed deterministically from public signals β no LLM, every score traces back to a measurable input. Default weights shown; "compete" / "acquire" / "invest" lenses re-weight without re-fetching.
Range:
π° Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
π¬Forecast Breakdown β 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:
| Excellent rating (4.7β )METRIC | +$2,200 | |
| Established app (5y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Pre-traction phase (15 ratings)METRIC | β$300 |
METRIC = structural app data Β· REVIEW = mined from user reviews Β· β VERIFIED = Stripe-verified anchor (TrustMRR)
π Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
β Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
Profile & Insights
Everything we know β and don't β about this app and its company.
Identification
- App name
- Mystery OTRadio - The Whistler
- Developer
- Marian Barbutu
- Bundle ID
- com.mk2.otrTheWhistler
- App Store URL
- Open in App Store
- Category
- Entertainment
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- tomatudorelapps.blogspot.com
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Reported revenue signal / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- Model estimate / mo
- $500/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.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" β additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
π About this app
π»
Enjoy the fun and excitement of listening to thrilling Old Time Radio Mystery shows. Experience a professional cast of actors, great scripts and thrilling Mystery.
You're walking alone on the street at night, but then you hear another set of footsteps and a haunting tune being whistled by an unseen stranger. Fritz Lang used an similar premise in his 1930s German movie with Peter Lorre playing M, a psychopathic murderer of children. But the American radio series was even creepier.β¦ View full description on the official store β
Enjoy the fun and excitement of listening to thrilling Old Time Radio Mystery shows. Experience a professional cast of actors, great scripts and thrilling Mystery.
You're walking alone on the street at night, but then you hear another set of footsteps and a haunting tune being whistled by an unseen stranger. Fritz Lang used an similar premise in his 1930s German movie with Peter Lorre playing M, a psychopathic murderer of children. But the American radio series was even creepier.β¦ View full description on the official store β
π v1.20.0π updated 1y agoπ Entertainmentπ° FreeπΊ Ad-supportedπ Launched 2021 (5y old)
π
What Workedβ’ Β· Development Pipeline
2 EVENTS TRACKEDDetected changes in this app over its tracked lifetime β each event links cause (what changed) to effect (what moved). Sorted newest first.See full history βVersion history β
2026-08
πΈ
Refreshed store screenshots β 8 of 8 updated
2026-05
π
First tracked snapshot β initial data captured
πΈ
Store Page History
8 SCREENSHOT CHANGESEvery time a developer swaps a store screenshot we archive both versions. Compare side-by-side to see what messaging / visuals changed.
iPhone screenshots
Slot 1
2 ver.
2 ver.
2026-05-06
2026-08-07
Slot 2
2 ver.
2 ver.
2026-05-06
2026-08-07
Slot 3
2 ver.
2 ver.
2026-05-06
2026-08-07
Slot 4
2 ver.
2 ver.
2026-05-06
2026-08-07
Slot 5
2 ver.
2 ver.
2026-05-06
2026-08-07
Slot 6
2 ver.
2 ver.
2026-05-06
2026-08-07
π
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π Description
95
BU Score Β· Transcendent
More by Marian Barbutu
View all βπ¦ Portfolio summaryINDIE studio
22appsΒ·$11K/mocombined
β Diversified β top app contributes 5%; risk spread across portfolio
About this analysis
Why low confidence: only 15 ratings Β· no founder-verified revenue (model estimate only) Β· revenue figure is directional only.
π Final verdict β read this before you trust the numbers above
Mystery OTRadio - The Whistler is a small / niche Android app in the entertainment space with weak public traction β only 15 ratings, no founder-verified MRR, and not ranked in any monitored grossing chart. The app appears to be monetised, but public signals are too sparse for a precise revenue estimate.
Bottom line: treat all revenue, audience and acquisition-value numbers on this page as directional only β not founder-verified facts.
β Frequently Asked Questions
7 answers Β· auto-generated from this app's public dataHow much does Mystery OTRadio - The Whistler make per month?β΄
Our model estimates Mystery OTRadio - The Whistler earns roughly $500/mo, but with only 15 ratings the confidence interval is wide. No founder-verified MRR is available for this app, so this is a model output calibrated against comparable apps in the same category. See methodology for the formula.
What apps are like Mystery OTRadio - The Whistler?β΄
Browse the full Entertainment 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 Mystery OTRadio - The Whistler built with?β΄
Our heuristic places Mystery OTRadio - The Whistler 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 Mystery OTRadio - The Whistler still actively maintained?β΄
Maintenance status: Likely abandoned (82% abandonment risk). Last shipped version was 1+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
When was Mystery OTRadio - The Whistler last updated?β΄
Mystery OTRadio - The Whistler last shipped a new version on 2024-11-23 β more than 1 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Mystery OTRadio - The Whistler?β΄
Mystery OTRadio - The Whistler is published by Marian Barbutu 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 Mystery OTRadio - The Whistler's BU Score?β΄
Mystery OTRadio - The Whistler has a BU Score of 53/100 (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.