Sleepzy - Sleep Cycle Tracker
75
Quality Score
Strong
✍️ Bumetric analysis
“
Sleepzy - Sleep Cycle Tracker is an iOS app from Mosaic S.r.l. in the Health & Fitness category, currently rated 4.3★ across 22,393 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Quality Score is 75: Strong (healthy traction). For a Health & Fitness app, that means healthy traction. 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
$1.2M
per month
→
12-mo forecast
$1.3M – $2.0M
per month
→
24-mo forecast
$1.5M – $2.8M
per month
BIG 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
83 snapshots on record
Rating
4.3
Reviews
22,393 reviews
Forecast Revenue / mo
$1.2M
Snapshots tracked
83
since Nov 2019
ONE-TIME · BUILD
💰 Estimated build cost
$190K
↳ What it cost to build · not monthly revenue
Likely range $140K – $255K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in under a month 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 |
| 📦 Asset bundle (270 MB) | +$40K |
| ⚙ Health & Fitness complexity ×1.40 | +$36K |
| ⚙ 10.8y maintenance × ~1-person team | +$64K |
Total estimate
$190K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$24.0M
↳ What it would sell for · not monthly revenue
Marketplace range $18.0M – $31.0M · 20× MRR multiple
💸
~126× return on build cost
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 |
| 📅 10.8y proven track record | +20% |
| 🏷 Health & Fitness category multiple | +10% |
Final multiple
20× MRR
👥 Estimated audience size
1.1M
Lifetime downloads (US-equivalent)
Monthly active
105K
Daily active
36K
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
| 📲 Health & Fitness engagement | ~70 installs / rating |
| 📅 10.8y of rating accumulation | -30% |
| 🔁 Health & Fitness D30 retention | 22% |
| 📍 DAU / MAU stickiness | 0.35 |
DAU / MAU
35% sticky
🛠 Estimated tech stack
🍎
Native iOS (Swift / UIKit)
Medium confidence · 55%
Also possible
React Native
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
| 📦 App bundle size | 270 MB |
| 🏷 Category context | Health & Fitness |
| 📦 Large iOS bundle | → Native Swift / UIKit (pre-2020 era) + assets |
💀 Maintenance status
Likely abandoned
77%
Last shipped 2025-04-15 · 572 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 6mo since last update | Likely deprioritized |
| • 11y old + 1y+ no update | +5% (API deprecation drift) |
Verdict
Likely abandoned
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$1.2M/mo · ML-estimated from 234 triggers
Growth rate
+2.5% MoM · BIG tier baseline (compound monthly)
6 months
$1.2M – $1.6M
12 months
$1.3M – $2.0M
24 months
$1.5M – $2.8M
Compound growth at +2.5% MoM (tier baseline for BIG). Range widens with horizon — typical noise band ±15% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Mixed signals · 57/100BIG TIERcompetitive but cautiousRevenue Strength
6.1
Product Quality
8.6
Market Position
2.0
Growth Velocity
5.0
Defensibility
7.5
Operational Safety
7.0
Founder Strength
8.3
Monetization Maturity
1.0
- 💰 Revenue: Healthy — $480K - $2640K/mo · BIG tier · medium-low confidence, trajectory unclear.
- ⭐ Quality: 4.31★ across 22,393 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 572d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (572d 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 = $21.6M-$38.4M.
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 15 of 15 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (22,393 ratings)METRIC | +$5,500 | |
| subscriptionREVIEW | +$2,500 | |
| premiumREVIEW | +$2,200 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| cancelledREVIEW | −$1,500 | |
| Mature app (10y old)METRIC | +$1,500 | |
| Multilingual (19 languages)METRIC | +$1,500 | |
| slowREVIEW | −$1,200 | |
| free trialREVIEW | +$1,200 | |
| too expensiveREVIEW | −$1,000 | |
| support teamREVIEW | +$900 | |
| priceyREVIEW | −$800 | |
| Good rating (4.3★)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 |
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.
🆕 What's New · v3.46.13
This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.
Bug fixes and performance improvements.
Bug fixes and performance improvements.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Sleepzy - Sleep Cycle Tracker
- Developer
- Mosaic S.r.l.
- Bundle ID
- com.apalonapps.smartalarmfree
- App Store URL
- Open in App Store
- Category
- Health & Fitness
- Content rating
- 17+
- Languages
- DA, EN, FR, DE, ID, IT, JA, KO, NB, PL, PT, RU, ZH, ES, SV, TH, ZH, TR, VI
Company
- Website
- Not found
- Tagline
- Today
- Description
- Find apps and games for iPhone, iPad, Mac, and more on the App Store.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Available
Revenue
- Reported revenue signal / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- Model estimate / mo
- $1.2M/mo
- Top-grossing rank
- Outside top 100 in US Health & Fitness
- 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 growth22,381 ratings+5744% lifetimeShow 3-year history estimate ▾
Tracked (60 weeks) Pre-tracking estimate (0 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
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
Sleepzy is a smart alarm clock that tracks your sleep patterns, wakes you up during the lightest sleep phase in a way that feels natural to get up, analyzes your sleep quality, and notifies you if you have a sleep debt. It's an essential app for everyone, whether you're a morning person or a night owl.
IMPROVE YOUR AWAKENING:
- Wake up rested at the optimal time - don't feel groggy anymore!
- Sync with Apple Music to use your favorite tunes as an alarm - set your mood for the day
TRACK & ANALYZE YOUR SLEEP:… View full description on the official store →
IMPROVE YOUR AWAKENING:
- Wake up rested at the optimal time - don't feel groggy anymore!
- Sync with Apple Music to use your favorite tunes as an alarm - set your mood for the day
TRACK & ANALYZE YOUR SLEEP:… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 270 MB🔞 17+📱 iOS 13.0+🔖 v3.46.13🔄 updated 1y ago🌐 DA, EN, FR, DE, ID +14📂 Health & Fitness💰 Paid🚀 Launched 2016 (10y old)
📅
What Worked™ · Development Pipeline
14 EVENTS TRACKEDDetected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-05
⭐
Rating ↑ 3.90 → 4.31 (improved 0.41★)
→ 30 days after: reviews −6 high confidence
2026-05
📈
Crossed 5,000 ratings — social-proof flywheel kicking in
→ 30 days after: reviews −6 high confidence
2026-05
🔄
Monetization changed: freemium → free
→ 30 days after: reviews −6 high confidence
2026-03
⭐
Rating ↑ 2.17 → 3.90 (improved 1.73★)
→ 30 days after: rating +1.73★ · reviews +2,545 medium · co-occurring
2026-03
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
→ 30 days after: rating +1.73★ · reviews +2,545 medium · co-occurring
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: rating +1.73★ · reviews +2,545 medium · co-occurring
2020-03
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +29 high confidence
2020-03
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: rating −0.06★ · reviews +18 high confidence
2020-01
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.07★ · reviews +22 high confidence
2020-01
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.08★ · reviews +25 high confidence
2019-11
🚀
First tracked snapshot — initial data captured
→ 30 days after: rating +0.19★ · reviews +23 high confidence
2019-11
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.19★ · reviews +23 medium · co-occurring
2019-11
⭐
Rating ↑ 1.13 → 1.56 (improved 0.43★)
→ 30 days after: rating +0.19★ · reviews +23 medium · co-occurring
2019-11
🚀
First tracked snapshot — initial data captured
🔎
ASO Keyword Positions
BEST RANK #17Ranked for 1 App Store search query in our last keyword sweep. Lower position = closer to the top.
sleep tracker·#17🇺🇸
Last sweep: 2026-05-19 · iTunes Search API
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇺🇸 US | 4.30673★ | 22,378 | 4.30673★ this version |
| 🇬🇧 GB | 4.20546★ | 3,660 | 4.20546★ this version |
| 🇩🇪 DE | 3.88473★ | 0 | — |
| 🇫🇷 FR | 4.09448★ | 2,572 | 4.09448★ this version |
| 🇯🇵 JP | 3.89535★ | 2,131 | 3.89535★ this version |
| 🇨🇦 CA | 4.05389★ | 2,746 | 4.05389★ this version |
| 🇦🇺 AU | 4.10041★ | 1,723 | 4.10041★ this version |
| 🇧🇷 BR | 4.51232★ | 5,034 | 4.51232★ this version |
| 🇮🇳 IN | 4.29459★ | 499 | 4.29459★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Sleepzy - Sleep Cycle Tracker: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Mosaic S.r.l.
View all →📦 Portfolio summaryMEGA studio
23apps·$25.8M/mocombined
✓ Diversified — top app contributes 6%; risk spread across portfolio
About this analysis
Why high confidence: 22,393 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Sleepzy - Sleep Cycle Tracker make per month?▴
Based on our ML-calibrated revenue forecast, Sleepzy - Sleep Cycle Tracker earns approximately $1.2M/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 Sleepzy - Sleep Cycle Tracker profitable?▴
With estimated build cost $190K and monthly revenue $1.2M, Sleepzy - Sleep Cycle Tracker looks highly profitable — pays back its build investment in under a month at the current run-rate. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Sleepzy - Sleep Cycle Tracker have?▴
Estimated audience: ~1.1M lifetime downloads, ~105K monthly active users, and ~36K 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 Sleepzy - Sleep Cycle Tracker?▴
Browse the full Health & Fitness 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 Sleepzy - Sleep Cycle Tracker built with?▴
Our heuristic places Sleepzy - Sleep Cycle Tracker on the Native iOS (Swift / UIKit) stack (Medium confidence, 55%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: React Native, Flutter.
Is Sleepzy - Sleep Cycle Tracker still actively maintained?▴
Maintenance status: Likely abandoned (77% 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 Sleepzy - Sleep Cycle Tracker sell for?▴
Estimated acquisition value: $24.0M (marketplace range $18.0M – $31.0M). Calculated as 20× 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 Sleepzy - Sleep Cycle Tracker last updated?▴
Sleepzy - Sleep Cycle Tracker last shipped a new version on 2025-04-15 — more than 1 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Sleepzy - Sleep Cycle Tracker?▴
Sleepzy - Sleep Cycle Tracker is published by Mosaic S.r.l. on the Apple App 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 Sleepzy - Sleep Cycle Tracker's BU Score?▴
Sleepzy - Sleep Cycle Tracker has a BU Score of 75/100 (Strong). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.