K-Rain BL
56
Quality Score
Solid
✍️ GetAppValue analysis
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K-Rain BL is an Android app from K-Rain in the Tools category, currently rated 4.3★ across 362 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 56: Solid (established niche player). For a Tools app, that means established niche player. 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
$102
per month
→
12-mo forecast
$51 – $477
per month
→
24-mo forecast
$51 – $1430
per month
MICRO 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
$70K
↳ What it cost to build · not monthly revenue
Likely range $50K – $95K
$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 |
| ⚙ Tools complexity ×0.90 | $-5049 |
| 🌐 Cross-platform reach (iOS + Android) | +$24K |
Total estimate
$70K
👥 Estimated audience size
68K
Lifetime downloads (US-equivalent)
Monthly active
15K
Daily active
2.7K
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 |
| 🔁 Tools D30 retention | 22% |
| 📍 DAU / MAU stickiness | 0.18 |
DAU / MAU
18% sticky
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$102/mo · ML-estimated from 234 triggers
Growth rate
+8.0% MoM · MICRO tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$65 – $260
12 months
$51 – $477
24 months
$51 – $1.4K
Compound growth at +8.0% MoM (tier baseline for MICRO). Range widens with horizon — typical noise band ±60% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Insufficient data · 30/100MICRO TIERtoo early to scoreGrowth Velocity
5.0
Founder Strength
3.0
Product Quality
2.3
Revenue Strength
2.0
Monetization Maturity
1.0
Defensibility
6.0
Market Position
0.0
Operational Safety
5.0
- 💰 Revenue: Marginal — $0 - $500/mo · MICRO tier · indicative confidence, trajectory unclear.
- ⭐ Quality: 2.9★ across 8 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 726d ago — possibly dormant.
- ⚠️ Risk: Elevated — dormant (726d since update).
🎯 For competitors: Vulnerable. Quality drift + slow updates create a clear opening for a fresh competitor with active dev cadence.
💵 For acquirers: Estimated asking range 18-32× monthly = $1K-$3K.
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 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mature app (11y old)METRIC | +$1,500 | |
| Good rating (4.3★)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (362 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.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- K-Rain BL
- Developer
- K-Rain
- Bundle ID
- fr.krain.krain
- App Store URL
- Open in App Store
- Category
- Tools
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.solem.fr
- Tagline
- Not found
- Description
- Not found
- 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
- ML model estimate / mo
- $103/mo
- Top-grossing rank
- Not found
- 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.
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
Control your K-Rain BL-KR Battery Powered Timer, BL-24 Indoor Irrigation Timer and TC-KR Hose End Timer with one streamlined App and Bluetooth Smart Technology.
No more crawling around the valve box trying to program or troubleshoot your battery powered timer – this app puts full programming control in the palm of your hand.
This app allows you to:
· Transform your iPhone or iPad into a remote control and fully program your BL-KR, BL-24 or TC-KR controller(s) using Bluetooth Smart technology from up to 32 feet (10m) away.… View full description on the official store →
No more crawling around the valve box trying to program or troubleshoot your battery powered timer – this app puts full programming control in the palm of your hand.
This app allows you to:
· Transform your iPhone or iPad into a remote control and fully program your BL-KR, BL-24 or TC-KR controller(s) using Bluetooth Smart technology from up to 32 feet (10m) away.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v3.1.2🔄 updated 0d ago📂 Tools💰 Free
🧪
Tech & Domain Intel — solem.fr
- Tech stack
- Microsoft 365 · Apple Pay / Sign in with Apple · Brevo (formerly Sendinblue) · Anthropic · Google Workspace · Mailgun
Derived from public RDAP + DNS TXT records (no scraping, no login).
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for K-Rain BL: 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: 362 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does K-Rain BL make per month?▴
Based on our ML-calibrated revenue forecast, K-Rain BL earns approximately $102/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.
What apps are like K-Rain BL?▴
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.
Who makes K-Rain BL?▴
K-Rain BL is published by K-Rain 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 K-Rain BL's BU Score?▴
K-Rain BL has a BU Score of 56/100 (Solid). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.