Penguin: Sounds & Ringtones
35
Quality Score
Emerging
✍️ Bumetric analysis
“
Penguin: Sounds & Ringtones is an Android app from BirdDev Team in the Music & Audio category, currently rated 2.7★ across 37 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 35: 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.
💰 Monthly revenue · now vs forecast
● Right now
$500
per month
→
12-mo forecast
$437 – $1575
per month
→
24-mo forecast
$405 – $3644
per month
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
1 snapshots on record
Rating
2.7
Reviews
37 reviews
Forecast Revenue / mo
$500
Snapshots tracked
1
since May 2026
ONE-TIME · BUILD
💰 Estimated build cost
$180K
↳ What it cost to build · not monthly revenue
Likely range $135K – $245K
$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 |
| ⚙ 11.3y maintenance × ~1-person team | +$67K |
Total estimate
$180K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$5K
↳ What it would sell for · not monthly revenue
Marketplace range $5K – $10K · 14× MRR multiple
💸
~0.0× 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 |
| 📅 11.3y proven track record | +20% |
| ⭐ ★ rating < 3.5 (weak) | -18% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
14× MRR
🛠 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
87%
Last shipped 2025-07-25 · 425 days ago
0 · Active
50 · At risk
100 · 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
| 📅 1y 2mo since last update | Likely deprioritized |
| 👥 Small user base (37 ratings) + 11.3y old | +10% (solo-project pattern) |
| • 11y old + 1y+ no update | +5% (API deprecation drift) |
Verdict
Likely 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 · 37/100INDIE TIERlimited signalGrowth Velocity
5.0
Founder Strength
6.3
Product Quality
2.1
Revenue Strength
2.7
Monetization Maturity
1.0
Defensibility
7.5
Market Position
0.0
Operational Safety
5.0
- 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 2.67★ across 37 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 422d ago — possibly dormant.
- ⚠️ Risk: Elevated — dormant (422d 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. Portfolio play ($5K/mo combined) commands premium.
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 (2.7★)METRIC | −$1,500 | |
| Mature app (11y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Pre-traction phase (37 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.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Penguin: Sounds & Ringtones
- Developer
- BirdDev Team
- Bundle ID
- com.sounds.penguin
- App Store URL
- Open in App Store
- Category
- Music & Audio
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- birddev.me
- 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" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
📝 About this app
A collection of Penguin sounds from around the world. It is a sound recorded from a real event and a sound created from a simulated event.
- standalone application
- select your preferred ringtone for android phone and set it to your desired ringtone.
- one touch to play sound and top sheet menu
- there is also one tap to add to favorites quickly.
- modern design, easy to use.
- app is very lightweight.
- enjoy offline, no internet required.
Use it to your advantage as desired. whether it is used for listening to simulate or relax.… View full description on the official store →
- standalone application
- select your preferred ringtone for android phone and set it to your desired ringtone.
- one touch to play sound and top sheet menu
- there is also one tap to add to favorites quickly.
- modern design, easy to use.
- app is very lightweight.
- enjoy offline, no internet required.
Use it to your advantage as desired. whether it is used for listening to simulate or relax.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v3.7.0🔄 updated 1y ago📂 Music & Audio💰 Free📺 Ad-supported🚀 Launched 2015 (11y old)
🔔
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📝 Description
95
BU Score · Transcendent
More by BirdDev Team
View all →📦 Portfolio summaryMID studio
152apps·$263K/mocombined
✓ Diversified — top app contributes 2%; risk spread across portfolio
About this analysis
Why low confidence: only 37 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
❓ Frequently Asked Questions
9 answers · auto-generated from this app's public dataHow much does Penguin make per month?▴
Based on our ML-calibrated revenue forecast, Penguin earns approximately $500/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 Penguin profitable?▴
With estimated build cost $180K and monthly revenue $500, Penguin 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.
What apps are like Penguin?▴
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 Penguin built with?▴
Our heuristic places Penguin 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 Penguin still actively maintained?▴
Maintenance status: Likely abandoned (87% 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.
How much would Penguin sell for?▴
Estimated acquisition value: $5.0K (marketplace range $5.0K – $10K). Calculated as 14× monthly revenue using the standard multiple for the detected monetization model + adjustments for age, rating quality and category demand. Calibrated against 2024-2026 Flippa / Acquire.com / MicroAcquire closed-deal medians.
When was Penguin last updated?▴
Penguin last shipped a new version on 2025-07-25 — more than 1 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Penguin?▴
Penguin is published by BirdDev Team 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 Penguin's BU Score?▴
Penguin has a BU Score of 35/100 (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.