49
Quality Score
Emerging
Nap Alarm Clock for headphones
Medium confidence
✍️ bumetric analysis
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Nap Alarm Clock for headphones is an Android app from Sleepaholic in the Tools category, currently rated 3.5★ across 472 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 49: Emerging (early traction worth watching). For a Tools 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
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD💰 Estimated build cost
$135K
↳ What it cost to build · not monthly revenue
Likely range $100K – $180K
$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 |
| 💎In-app purchase plumbing | +$9K |
| ⚙Tools complexity ×0.90 | $-5949 |
| 🌐Cross-platform reach (iOS + Android) | +$29K |
| ⚙8.8y maintenance × ~1-person team | +$53K |
Total estimate$135K
👥 Estimated audience size
62K
Lifetime downloads (US-equivalent)
Monthly active
8.1K
Daily active
1.4K
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
| 📲Tools engagement | ~190 installs / rating |
| 📅8.8y of rating accumulation | -30% |
| 🔁Tools D30 retention | 22% |
| 📍DAU / MAU stickiness | 0.18 |
DAU / MAU17% 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 | Tools |
| 📦Compact Android bundle | → Native Kotlin |
💀 Maintenance status
Likely abandoned
95%
Last shipped 2020-09-02 · 2090 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
| 📅5y+ since last update | Likely abandoned |
| 👥Small user base (472 ratings) + 8.8y 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)
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
Early-stage solo · 46/100INDIE TIERexpected for tierGrowth Velocity
5.0
Founder Strength
3.9
Product Quality
5.0
Revenue Strength
2.7
Monetization Maturity
5.0
Defensibility
8.2
Market Position
0.0
Operational Safety
7.0
- 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.55★ across 472 reviews — below category median.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 2089d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (2089d since update).
🎯 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 = $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 3 of 3 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mature app (8y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (472 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 →🔖 v1.9-16082020.1645🔄 updated 5y ago📂 Tools💰 Free📺 Ad-supported💎 IAP $1.99 per item🚀 Launched 2017 (8y old)
📝 About this app
- Easy to set alarm/nap alarm.
- Everything is free (you can use all features free)
- Feature 'Smile' mode to dismiss an alarm (get out of bed, turn on the light, and take a wide smile with open eyes)
- Feature 'Shake' mode to dismiss an alarm (exercises is good for your heath and you will wake up on time)
- Feature 'Swipe' mode to dismiss an alarm (easy to dismiss but good for taking a nap).
- New cool material design user interface
- Start a new day with beautiful sentences and you'll have better mod… View full description on the official store →
- Everything is free (you can use all features free)
- Feature 'Smile' mode to dismiss an alarm (get out of bed, turn on the light, and take a wide smile with open eyes)
- Feature 'Shake' mode to dismiss an alarm (exercises is good for your heath and you will wake up on time)
- Feature 'Swipe' mode to dismiss an alarm (easy to dismiss but good for taking a nap).
- New cool material design user interface
- Start a new day with beautiful sentences and you'll have better mod… View full description on the official store →
🔔
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Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Nap Alarm Clock for headphones
- Developer
- Sleepaholic
- Bundle ID
- com.minwan.napalarm
- App Store URL
- Open in App Store
- Category
- Tools
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- napalarm-d4148.web.app
- 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
- $412/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $1.99 per item
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 growth472 ratings+47% 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.
More by Sleepaholic
View all →📦 Portfolio summaryINDIE studio
2apps·$742/mocombined
Lead-app heavy — top app contributes 55%
Full revenue analysis
Read the article-style breakdown for Nap Alarm Clock for headphones: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why medium confidence: 472 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
9 answers · auto-generated from this app's public dataHow much does Nap Alarm Clock for headphones make per month?▴
Based on our ML-calibrated revenue forecast, Nap Alarm Clock for headphones earns approximately $411/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 Nap Alarm Clock for headphones profitable?▴
With estimated build cost $135K and monthly revenue $411, Nap Alarm Clock for headphones 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 Nap Alarm Clock for headphones have?▴
Estimated audience: ~62K lifetime downloads, ~8K monthly active users, and ~1K 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 Nap Alarm Clock for headphones?▴
Browse the full Tools 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 Nap Alarm Clock for headphones built with?▴
Our heuristic places Nap Alarm Clock for headphones 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 Nap Alarm Clock for headphones still actively maintained?▴
Maintenance status: Likely abandoned (95% abandonment risk). Last shipped version was 5+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
When was Nap Alarm Clock for headphones last updated?▴
Nap Alarm Clock for headphones last shipped a new version on 2020-09-02 — more than 5 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Nap Alarm Clock for headphones?▴
Nap Alarm Clock for headphones is published by Sleepaholic 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 Nap Alarm Clock for headphones's BU Score?▴
Nap Alarm Clock for headphones has a BU Score of 49/100 (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.