Rain Rain Sleep Sounds
77
Quality Score
Strong
✍️ Bumetric analysis
“
Rain Rain Sleep Sounds is an iOS app from Tim Gostony in the Health & Fitness category, currently rated 4.7★ across 11,367 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
166 snapshots on record
Rating
4.7
Reviews
11,367 reviews
Forecast Revenue / mo
$1.2M
Snapshots tracked
166
since Aug 2024
🤖Also on Android
$172/mo · 11K ratings · 4.7★
View →
ONE-TIME · BUILD
💰 Estimated build cost
$200K
↳ What it cost to build · not monthly revenue
Likely range $150K – $270K
$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 |
| 💎 In-app purchase plumbing | +$9K |
| 📦 Asset bundle (100 MB) | +$20K |
| ⚙ Health & Fitness complexity ×1.40 | +$31K |
| ⚙ 14.9y maintenance × ~1-person team | +$89K |
Total estimate
$200K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$51.0M
↳ What it would sell for · not monthly revenue
Marketplace range $38.5M – $66.5M · 42× MRR multiple
💸
~255× return on build cost
Synthetic estimate. Multiple band derived from iap / freemium model + 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
| 💎 IAP / freemium model base | 28× MRR |
| 📅 14.9y proven track record | +20% |
| ⭐ ★ rating ≥ 4.7 (premium) | +15% |
| 🏷 Health & Fitness category multiple | +10% |
Final multiple
42× MRR
👥 Estimated audience size
555K
Lifetime downloads (US-equivalent)
Monthly active
27K
Daily active
9.6K
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 |
| 📅 14.9y 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 · 60%
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 | 100 MB |
| 🏷 Category context | Health & Fitness |
| 📦 Mid-large iOS bundle | → Likely native Swift / UIKit (pre-2020 era) |
💀 Maintenance status
Likely abandoned
77%
Last shipped 2025-01-22 · 617 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 8mo since last update | Likely deprioritized |
| • 15y 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 · 61/100BIG TIERcompetitive but cautiousGrowth Velocity
5.0
Founder Strength
5.5
Product Quality
9.4
Revenue Strength
6.1
Monetization Maturity
5.0
Defensibility
8.5
Market Position
2.0
Operational Safety
7.0
- 💰 Revenue: Healthy — $480K - $2640K/mo · BIG tier · medium-low confidence, trajectory unclear.
- ⭐ Quality: 4.7★ across 11,367 reviews — exceptional (top 1% in category).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 615d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (615d since update).
🎯 For competitors: Strong subscription moat. Hard to outcompete on retention. Better angle: free alternative with one-time purchase, or feature parity for an underserved sub-niche.
💵 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 12 of 12 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (11,367 ratings)METRIC | +$5,500 | |
| premiumREVIEW | +$2,200 | |
| Excellent rating (4.7★)METRIC | +$2,200 | |
| worth every pennyREVIEW | +$2,000 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (14y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| too expensiveREVIEW | −$1,000 | |
| 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 · v6.9.10
Rain Rain 6.9.10 adds an optional Dark Mode icon and fixes a few small bugs introduced in 6.9.9, including a fix for the missing icon on the Lock Screen widget. Sorry about that!
Let me know if you have any suggestions or need any help at help@rainrainapp.com.… Full release notes →
Let me know if you have any suggestions or need any help at help@rainrainapp.com.… Full release notes →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Rain Rain Sleep Sounds
- Developer
- Tim Gostony
- Bundle ID
- com.timgostony.rainrain
- App Store URL
- Open in App Store
- Category
- Health & Fitness
- Content rating
- 4+
- Languages
- EN, FR, IT, ES
Company
- Website
- Not found
- Tagline
- Sleep great — like you used to.
- Description
- Sleep, study, relax, and meditate to the sounds of rain, water, fire, appliances, and more, with Rain Rain Sleep Sounds, free on iOS and Android.
- 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
- $1.2M/mo
- Top-grossing rank
- Outside top 100 in US Health & Fitness
- All-time revenue
- Not found
- Pricing
- $3.99 - $29.99 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 growth136,877 ratings+30521% 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.
🚀Update Frequency · Releases per Quarter3 releases tracked
🚀Version Release Timeline3 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
Trouble sleeping? Rain Rain® helps you fall asleep fast! Let over 100 high-quality endless sounds lull you to sleep in no time, with more sounds added all the time. Mix and match any combination of sounds and save your favorite combinations. Download the app that over eight million people have used to fall asleep today!
Works great for: Insomnia - Anxiety - Tinnitus - Working from Home - Studying - AND MUCH MORE
Instead of keeping you awake, your phone can help you sleep!
Here are the top sounds being listened to this week:… View full description on the official store →
Works great for: Insomnia - Anxiety - Tinnitus - Working from Home - Studying - AND MUCH MORE
Instead of keeping you awake, your phone can help you sleep!
Here are the top sounds being listened to this week:… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 100 MB🔞 4+📱 iOS 12.0+🔖 v6.9.10🔄 updated 1y ago🌐 EN, FR, IT, ES📂 Health & Fitness💰 Paid📺 Ad-supported💎 IAP $3.99 - $29.99 per item🚀 Launched 2011 (14y old)
📅
What Worked™ · Development Pipeline
15 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
📈
Crossed 50,000 ratings — social-proof flywheel kicking in
2026-08
📸
Refreshed store screenshots — 7 of 8 updated
→ 30 days after: revenue +$28.3K/mo · rating +0.15★ · reviews +125,510 high confidence
2026-05
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +585 high confidence
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$4.2M/mo · rating +0.15★ · reviews +133,247 high confidence
2025-01
🔧
Shipped update — v4.7 → v6.9.10
→ 30 days after: revenue +$3.5K/mo · rating +0.07★ · reviews +109 high confidence
2024-11
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$1.1K/mo · reviews +34 high confidence
2024-11
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$1.8K/mo · reviews +57 high confidence
2024-09
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$662/mo · reviews +21 medium · co-occurring
2024-09
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$1.9K/mo · reviews +59 medium · co-occurring
2024-08
🚀
First tracked snapshot — initial data captured
→ 30 days after: revenue +$1.2K/mo · reviews +38 high confidence
2024-08
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$1.2K/mo · reviews +38 medium · co-occurring
2024-08
⭐
Rating ↓ 4.43 → 4.00 (dropped 0.43★)
→ 30 days after: revenue +$1.2K/mo · reviews +38 medium · co-occurring
2024-08
⭐
Rating ↓ 4.75 → 4.20 (dropped 0.55★)
2024-08
⭐
Rating ↓ 5.00 → 4.67 (dropped 0.33★)
2024-08
🚀
First tracked snapshot — initial data captured
📸
Store Page History
7 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.
2026-05-12
2026-08-21
Slot 2
2 ver.
2 ver.
2026-05-12
2026-08-21
Slot 3
2 ver.
2 ver.
2026-05-12
2026-08-21
Slot 4
2 ver.
2 ver.
2026-05-12
2026-08-21
Slot 5
2 ver.
2 ver.
2026-05-12
2026-08-21
Slot 6
2 ver.
2 ver.
2026-05-12
2026-08-21
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.80204★ | 8,906 | 4.80204★ this version |
| 🇧🇷 BR | 4.89158★ | 701 | 4.89158★ this version |
| 🇨🇦 CA | 4.78544★ | 6,744 | 4.78544★ this version |
| 🇩🇪 DE | 4.77593★ | 964 | 4.77593★ this version |
| 🇫🇷 FR | 4.78841★ | 397 | 4.78841★ this version |
| 🇬🇧 GB | 4.81799★ | 9,802 | 4.81799★ this version |
| 🇮🇳 IN | 4.66866★ | 166 | 4.66866★ this version |
| 🇯🇵 JP | 4.8★ | 245 | 4.8★ this version |
| 🇺🇸 US | 4.84499★ | 136,944 | 4.84499★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Rain Rain Sleep Sounds: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Tim Gostony
View all →📦 Portfolio summaryBIG studio
2apps·$1.2M/mocombined
⚠ Concentrated — top app contributes 100% of combined revenue (single-app dependency)
About this analysis
Why high confidence: 11,367 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Rain Rain Sleep Sounds make per month?▴
Based on our ML-calibrated revenue forecast, Rain Rain Sleep Sounds 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 Rain Rain Sleep Sounds profitable?▴
With estimated build cost $200K and monthly revenue $1.2M, Rain Rain Sleep Sounds 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 Rain Rain Sleep Sounds have?▴
Estimated audience: ~555K lifetime downloads, ~27K monthly active users, and ~9K 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 Rain Rain Sleep Sounds?▴
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 Rain Rain Sleep Sounds built with?▴
Our heuristic places Rain Rain Sleep Sounds on the Native iOS (Swift / UIKit) stack (Medium confidence, 60%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: React Native, Flutter.
Is Rain Rain Sleep Sounds 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 Rain Rain Sleep Sounds sell for?▴
Estimated acquisition value: $51.0M (marketplace range $38.5M – $66.5M). Calculated as 42× 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 Rain Rain Sleep Sounds last updated?▴
Rain Rain Sleep Sounds last shipped a new version on 2025-01-22 — more than 1 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Rain Rain Sleep Sounds?▴
Rain Rain Sleep Sounds is published by Tim Gostony 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 Rain Rain Sleep Sounds's BU Score?▴
Rain Rain Sleep Sounds 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.