Rainy Mood
72
Quality Score
Strong
✍️ Bumetric analysis
“
Rainy Mood is an iOS app from Plain Theory, Inc. in the Health & Fitness category, currently rated 4.7★ across 995 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 72: 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
$6.5K
per month
→
12-mo forecast
$6.8K – $14.2K
per month
→
24-mo forecast
$8.4K – $25.1K
per month
MID 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
137 snapshots on record
Rating
4.7
Reviews
995 reviews
Forecast Revenue / mo
$6.5K
Snapshots tracked
137
since Oct 2012
🤖Also on Android
$287/mo · 3K ratings · 4.6★
View →
ONE-TIME · BUILD
💰 Estimated build cost
$175K
↳ What it cost to build · not monthly revenue
Likely range $130K – $235K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~2.2y 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 (89 MB) | +$15K |
| ⚙ Health & Fitness complexity ×1.40 | +$26K |
| ⚙ 14.0y maintenance × ~1-person team | +$83K |
Total estimate
$175K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$125K
↳ What it would sell for · not monthly revenue
Marketplace range $100K – $175K · 21× MRR multiple
💸
~0.7× 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 |
| 📅 14.0y proven track record | +20% |
| ⭐ ★ rating ≥ 4.7 (premium) | +15% |
| 🏷 Health & Fitness category multiple | +10% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
21× MRR
👥 Estimated audience size
48K
Lifetime downloads (US-equivalent)
Monthly active
3.0K
Daily active
1.0K
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 |
| 📅 14.0y of rating accumulation | -30% |
| 🔁 Health & Fitness D30 retention | 22% |
| 📍 DAU / MAU stickiness | 0.35 |
DAU / MAU
33% 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 | 89 MB |
| 🏷 Category context | Health & Fitness |
| 📦 Mid-large iOS bundle | → Likely native Swift / UIKit (pre-2020 era) |
💀 Maintenance status
Likely abandoned
93%
Last shipped 2018-03-20 · 3109 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
| 📅 8y+ since last update | Likely abandoned |
| • 14y old + 1y+ no update | +5% (API deprecation drift) |
Verdict
Likely abandoned
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$6.5K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$6.2K – $10.3K
12 months
$6.8K – $14.2K
24 months
$8.4K – $25.1K
Compound growth at +4.0% MoM (tier baseline for MID). Range widens with horizon — typical noise band ±25% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Below median · 47/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
6.1
Product Quality
6.6
Revenue Strength
3.8
Monetization Maturity
1.0
Defensibility
6.0
Market Position
2.0
Operational Safety
7.0
- 💰 Revenue: Modest — $4K - $9K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.7★ across 995 reviews — solid.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 3107d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (3107d 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 = $117K-$209K. Portfolio play ($22K/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 14 of 14 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($2.99)METRIC | +$2,800 | |
| Excellent rating (4.7★)METRIC | +$2,200 | |
| worth every pennyREVIEW | +$2,000 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| great valueREVIEW | +$1,600 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (13y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| too expensiveREVIEW | −$1,000 | |
| priceyREVIEW | −$800 | |
| Early-stage install base (995 ratings)METRIC | +$400 | |
| Single-language (English only)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.
🆕 What's New · v2.5
Thanks for your awesome support, Rainy Mood users!
We've fixed some bugs for better user experience.
Hope you like this free update! If you enjoy Rainy Mood, please take the time to give us a warm review. It really helps us. Thank you! :-)
We've fixed some bugs for better user experience.
Hope you like this free update! If you enjoy Rainy Mood, please take the time to give us a warm review. It really helps us. Thank you! :-)
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Rainy Mood
- Developer
- Plain Theory, Inc.
- Bundle ID
- com.TailoredMusic.Rainy-Mood
- App Store URL
- Open in App Store
- Category
- Health & Fitness
- Content rating
- 4+
- Languages
- EN
Company
- Website
- Not found
- Tagline
- Rainy Mood ®
- Description
- Welcome to Rainy Mood, the internet's most popular rain sounds. Millions of people use Rainy Mood while sleeping, studying, and relaxing. Enjoy the free web version, or try the iOS/Android app with additional features.
- 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
- $6.5K/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
- Socials
- facebook facebook.com/rainymood · instagram instagram.com/rainymood · twitter x.com/intent/follow?screen_name=rainy… · youtube youtube.com/watch?v=SDmbGrQqWog
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- rainymood.com/about.php
📈Ratings growth997 ratings+148% 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.
💰Pricing History$0.00 → $2.99 (+0%)
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
Rainy Mood is the internet's most popular rain experience. Join millions of people who use Rainy Mood to help them sleep, study, and relax.
The new Rainy Mood app has four fully-customizable rain scenes -- Classic, Ocean, Countryside, and Café. The world's #1 leader in rain sounds has painstakingly composed each rain soundscape.
With stunning HD/48kHz 3D audio and algorithmic randomizer, your brain will naturally relax and focus. Our massive sample library includes 400+ unique thunder claps, cricket chirps, ocean waves, and special effects.… View full description on the official store →
The new Rainy Mood app has four fully-customizable rain scenes -- Classic, Ocean, Countryside, and Café. The world's #1 leader in rain sounds has painstakingly composed each rain soundscape.
With stunning HD/48kHz 3D audio and algorithmic randomizer, your brain will naturally relax and focus. Our massive sample library includes 400+ unique thunder claps, cricket chirps, ocean waves, and special effects.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 89 MB🔞 4+📱 iOS 9.0+🔖 v2.5🔄 updated 8y ago🌐 EN📂 Health & Fitness💰 Paid🚀 Launched 2012 (13y old)
📅
What Worked™ · Development Pipeline
12 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 ↑ 4.29 → 4.70 (improved 0.41★)
2026-05
💲
Went paid — introduced $2.99 price point
2026-05
📈
Crossed 500 ratings — social-proof flywheel kicking in
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$60/mo high confidence
2016-06
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$1.6K/mo · rating +0.25★ · reviews +35 medium · co-occurring
2016-06
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$2.5K/mo · rating +0.37★ · reviews +55 low · multiple changes
2014-11
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$168/mo high confidence
2012-12
⭐
Rating ↓ 4.20 → 3.60 (dropped 0.60★)
→ 30 days after: rating −0.08★ high confidence
2012-10
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$218/mo · rating −0.20★ · reviews +5 high confidence
2012-10
🚀
First tracked snapshot — initial data captured
→ 30 days after: revenue +$218/mo · rating −0.20★ · reviews +5 high confidence
2012-10
⭐
Rating ↓ 5.00 → 4.50 (dropped 0.50★)
→ 30 days after: revenue +$218/mo · rating −0.20★ · reviews +5 medium · co-occurring
2012-10
🚀
First tracked snapshot — initial data captured
→ 30 days after: revenue +$218/mo · rating −0.20★ · reviews +5 medium · co-occurring
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.53608★ | 97 | 4.53608★ this version |
| 🇧🇷 BR | 5★ | 21 | 5★ this version |
| 🇨🇦 CA | 4.77391★ | 115 | 4.77391★ this version |
| 🇩🇪 DE | 4.15556★ | 45 | 4.15556★ this version |
| 🇫🇷 FR | 4.375★ | 8 | 4.375★ this version |
| 🇬🇧 GB | 4.67961★ | 103 | 4.67961★ this version |
| 🇮🇳 IN | 5★ | 6 | 5★ this version |
| 🇯🇵 JP | 4.67692★ | 65 | 4.67692★ this version |
| 🇺🇸 US | 4.7031★ | 997 | 4.7031★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Rainy Mood: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Plain Theory, Inc.
View all →📦 Portfolio summaryINDIE studio
3apps·$16K/mocombined
Lead-app heavy — top app contributes 58%
About this analysis
Why medium confidence: 995 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Rainy Mood make per month?▴
Based on our ML-calibrated revenue forecast, Rainy Mood earns approximately $6.5K/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 Rainy Mood profitable?▴
With estimated build cost $175K and monthly revenue $6.5K, Rainy Mood looks break-even-grade — payback period sits around 2.2 years. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Rainy Mood have?▴
Estimated audience: ~48K lifetime downloads, ~3K 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 Rainy Mood?▴
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 Rainy Mood built with?▴
Our heuristic places Rainy Mood 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 Rainy Mood still actively maintained?▴
Maintenance status: Likely abandoned (93% abandonment risk). Last shipped version was 8+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Rainy Mood sell for?▴
Estimated acquisition value: $125K (marketplace range $100K – $175K). Calculated as 21× 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 Rainy Mood last updated?▴
Rainy Mood last shipped a new version on 2018-03-20 — more than 8 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Rainy Mood?▴
Rainy Mood is published by Plain Theory, Inc. 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 Rainy Mood's BU Score?▴
Rainy Mood has a BU Score of 72/100 (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.