Sleep Tracker: Recorder, Sound
77
Quality Score
Strong
✍️ Bumetric analysis
“
Sleep Tracker: Recorder, Sound is an iOS app from Leap Health in the Health & Fitness category, currently rated 4.8★ across 7,889 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 77: 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
153 snapshots on record
Rating
4.8
Reviews
7,889 reviews
Forecast Revenue / mo
$1.2M
Snapshots tracked
153
since Nov 2021
ONE-TIME · BUILD
💰 Estimated build cost
$155K
↳ What it cost to build · not monthly revenue
Likely range $115K – $210K
$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 (205 MB) | +$40K |
| ⚙ Health & Fitness complexity ×1.40 | +$36K |
| ⚙ 5.0y maintenance × ~1-person team | +$29K |
Total estimate
$155K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$27.5M
↳ What it would sell for · not monthly revenue
Marketplace range $20.5M – $35.5M · 23× MRR multiple
💸
~177× 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 |
| 📅 5.0y proven track record | +20% |
| ⭐ ★ rating ≥ 4.7 (premium) | +15% |
| 🏷 Health & Fitness category multiple | +10% |
Final multiple
23× MRR
👥 Estimated audience size
410K
Lifetime downloads (US-equivalent)
Monthly active
73K
Daily active
25K
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 |
| 📅 5.0y of rating accumulation | -25% |
| 🔁 Health & Fitness D30 retention | 22% |
| 📍 DAU / MAU stickiness | 0.35 |
DAU / MAU
35% sticky
🛠 Estimated tech stack
🍎
Native iOS (SwiftUI)
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 | 205 MB |
| 🏷 Category context | Health & Fitness |
| 📦 Large iOS bundle | → Native SwiftUI (post-2020 era) + assets |
💀 Maintenance status
Active
5%
Last shipped 2026-09-15 · 8 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
| 📅 8 days since last update | Active development |
Verdict
Active
🔬
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 · 59/100BIG TIERcompetitive but cautiousGrowth Velocity
5.0
Founder Strength
8.1
Product Quality
8.6
Revenue Strength
6.1
Monetization Maturity
1.0
Defensibility
6.2
Market Position
2.0
Operational Safety
10.0
- 💰 Revenue: Healthy — $480K - $2640K/mo · BIG tier · medium-low confidence, trajectory unclear.
- ⭐ Quality: 4.75★ across 7,889 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: dev shipping weekly.
- ⚠️ Risk: Low — no material risk signals detected.
🎯 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 11 of 11 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| subscriptionREVIEW | +$2,500 | |
| Excellent rating (4.8★)METRIC | +$2,200 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| cancelledREVIEW | −$1,500 | |
| Low install base (7,889 ratings)METRIC | +$1,500 | |
| Multilingual (17 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| free trialREVIEW | +$1,200 | |
| Established app (5y old)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 · v2.36.0
• Enhanced Recording Sharing: Turn it into videos & share to socials
• Share recordings to TikTok to win rewards!
• Bug fixes and performance improvements
• Share recordings to TikTok to win rewards!
• Bug fixes and performance improvements
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Sleep Tracker: Recorder, Sound
- Developer
- Leap Health
- Bundle ID
- com.leapfitness.Sleeptracker
- App Store URL
- Open in App Store
- Category
- Health & Fitness
- Content rating
- 4+
- Languages
- AR, NL, EN, FR, DE, ID, IT, JA, KO, FA, PL, PT, RU, ZH, ES, ZH, TR
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
- 🇯🇵#82 /100
- 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 growth7,889 ratings+2738% 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 Distribution1 of 9 markets
🇯🇵
JP
Top-grossing rank: #82 / 100
Other markets
Outside top 100
in US, GB, DE, FR, JP, CA, AU, BR, IN
in US, GB, DE, FR, JP, CA, AU, BR, IN
This app currently ranks in only one of the 9 markets we monitor. Niche or regional apps often launch this way before global rollout. Rankings update daily.
📊Category Rank Trajectory#82 now · best #82 · worst #100
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
🚀Update Frequency · Releases per Quarter5 releases tracked
🚀Version Release Timeline5 releases tracked
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
Do you know how you sleep every night?
SLEEP TRACKER is your intelligent sleep assistant, now available for FREE download. Our app combines a precise sleep recorder and sleep-talking tracker with a rich library of meditation sessions, immersive sleep stories, and soothing sounds, including white noise. By seamlessly syncing sleep watch data through Apple Health, SLEEP TRACKER provides deep insights into your sleep patterns and cycles.… View full description on the official store →
SLEEP TRACKER is your intelligent sleep assistant, now available for FREE download. Our app combines a precise sleep recorder and sleep-talking tracker with a rich library of meditation sessions, immersive sleep stories, and soothing sounds, including white noise. By seamlessly syncing sleep watch data through Apple Health, SLEEP TRACKER provides deep insights into your sleep patterns and cycles.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 205 MB🔞 4+📱 iOS 15.0+🔖 v2.36.0🔄 updated 1w ago🌐 AR, NL, EN, FR, DE +12📂 Health & Fitness💰 Paid🚀 Launched 2021 (5y old)
📅
What Worked™ · Development Pipeline
18 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 →
2026-09
🔧
Shipped update — v2.34.0 → v2.36.0
→ 30 days after: reviews +62 high confidence
2026-08
🔧
Shipped update — v2.32.0 → v2.34.0
→ 30 days after: reviews +166 high confidence
2026-07
🔧
Shipped update — v2.30.0 → v2.32.0
→ 30 days after: revenue +$20.9K/mo · reviews +209 high confidence
2026-05
🔧
Shipped update — v2.29.2 → v2.30.0
→ 30 days after: reviews +123 high confidence
2026-05
⭐
Rating ↑ 3.26 → 4.76 (improved 1.50★)
→ 30 days after: reviews +123 high confidence
2026-05
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +123 high confidence
2026-03
⭐
Rating ↓ 4.70 → 3.27 (dropped 1.43★)
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
2026-03
⭐
Rating ↑ 3.26 → 4.70 (improved 1.44★)
2023-08
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: rating −0.08★ high confidence
2022-08
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.05★ high confidence
2022-01
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: rating −0.22★ · reviews +10 high confidence
2022-01
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: rating −0.22★ high confidence
2021-12
⭐
Rating ↓ 4.63 → 4.22 (dropped 0.41★)
→ 30 days after: rating −0.22★ high confidence
2021-12
⭐
Rating ↑ 3.50 → 4.00 (improved 0.50★)
→ 30 days after: rating +0.50★ · reviews +11 high confidence
2021-11
🚀
First tracked snapshot — initial data captured
→ 30 days after: rating +0.72★ · reviews +7 high confidence
2021-11
⭐
Rating ↑ 2.00 → 3.50 (improved 1.50★)
→ 30 days after: rating +0.72★ · reviews +7 high confidence
2021-11
🚀
First tracked snapshot — initial data captured
→ 30 days after: rating +0.72★ · reviews +7 high confidence
🔎
ASO Keyword Positions
BEST RANK #4Ranked for 1 App Store search query in our last keyword sweep. Lower position = closer to the top.
sleep tracker·#4🇺🇸
Last sweep: 2026-05-19 · iTunes Search API
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.74425★ | 1,564 | 4.74425★ this version |
| 🇧🇷 BR | 4.89081★ | 1,850 | 4.89081★ this version |
| 🇨🇦 CA | 4.74017★ | 2,213 | 4.74017★ this version |
| 🇩🇪 DE | 4.65489★ | 3,002 | 4.65489★ this version |
| 🇫🇷 FR | 4.72224★ | 4,097 | 4.72224★ this version |
| 🇬🇧 GB | 4.76077★ | 3,921 | 4.76077★ this version |
| 🇮🇳 IN | 4.68675★ | 83 | 4.68675★ this version |
| 🇯🇵 JP | 4.70137★ | 4,380 | 4.70137★ this version |
| 🇺🇸 US | 4.74915★ | 7,913 | 4.74915★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Sleep Tracker: Recorder, Sound: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Leap Health
View all →📦 Portfolio summaryMEGA studio
21apps·$24.0M/mocombined
✓ Diversified — top app contributes 5%; risk spread across portfolio
About this analysis
Why medium confidence: 7,889 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Sleep Tracker make per month?▴
Based on our ML-calibrated revenue forecast, Sleep 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 Sleep Tracker profitable?▴
With estimated build cost $155K and monthly revenue $1.2M, Sleep 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 Sleep Tracker have?▴
Estimated audience: ~410K lifetime downloads, ~73K monthly active users, and ~25K 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 Sleep 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 Sleep Tracker built with?▴
Our heuristic places Sleep Tracker on the Native iOS (SwiftUI) 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 Sleep Tracker still actively maintained?▴
Maintenance status: Active (5% abandonment risk). Last shipped version was 8 days ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Sleep Tracker sell for?▴
Estimated acquisition value: $27.5M (marketplace range $20.5M – $35.5M). Calculated as 23× 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 Sleep Tracker last updated?▴
Sleep Tracker last shipped a new version on 2026-09-15 — less than a month ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Sleep Tracker?▴
Sleep Tracker is published by Leap Health 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 Sleep Tracker's BU Score?▴
Sleep Tracker has a BU Score of 77/100 (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.