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55
Quality Score
Solid

Turn Off the Lights for Mobile

4.0 ✍️ Editor
✍️ bumetric analysis

Turn Off the Lights for Mobile is an Android app from Stefan vd in the Communication category, currently rated 4.0★ across 744 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Quality Score is 55: Solid (established niche player). For a Communication 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.

💰 Revenue · today and ahead
Today
$500/mo
In 12 months
$437 – $1575
In 24 months
$405 – $3644
INDIE tier
💡 Grow this revenue

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📊 Performance Tracking LIVE

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idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
since first record
💰 Estimated build cost
$220K
Likely range $165K – $295K
$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
💎In-app purchase plumbing+$9K
Communication complexity ×1.65+$38K
🌐Cross-platform reach (iOS + Android)+$53K
11.0y maintenance × ~1-person team+$66K
Total estimate$220K
👥 Estimated audience size
49K
Lifetime downloads (US-equivalent)
Monthly active
6.7K
Daily active
4.0K

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
📲Communication engagement~95 installs / rating
📅11.0y of rating accumulation-30%
🔁Communication D30 retention30%
📍DAU / MAU stickiness0.60
DAU / MAU60% sticky
🛠 Estimated tech stack
🤖
Native Android (Kotlin)
High confidence · 80%
Also possible
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
🏷Category contextCommunication
📦Compact Android bundle→ Native Kotlin
💀 Maintenance status
Likely abandoned
93%
Last shipped 2020-09-07 · 2083 days ago
0 · Active50 · At risk100 · 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
📅5y+ since last updateLikely abandoned
11y old + 1y+ no update+5% (API deprecation drift)
VerdictLikely abandoned
🔬

How we forecast this revenue

LOW CONFIDENCE
Baseline
$500/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
6 months
$426 – $993
12 months
$437 – $1.6K
24 months
$405 – $3.6K
Compound growth at +6.0% MoM (tier baseline for INDIE). Range widens with horizon — typical noise band ±40% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊

BU Investment Matrix

Early-stage solo · 45/100INDIE TIERexpected for tier
GrowthFounderQualityRevenueMonetiz.MoatMarketSafety
Growth Velocity
5.0
Founder Strength
3.6
Product Quality
5.7
Revenue Strength
2.7
Monetization Maturity
5.0
Defensibility
7.0
Market Position
0.0
Operational Safety
7.0
  • 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
  • ⭐ Quality: 4.04★ across 744 reviews — below category median.
  • 📍 Market: Not yet charting in any of the 9 monitored markets.
  • 📈 Growth: ⚠ last update 2083d ago — possibly dormant.
  • ⚠️ Risk: Moderate — dormant (2083d 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 = $9K-$16K.
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

MODEL
Revenue 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 (4.0★)METRIC
+$800
Ad-supported / freemiumMETRIC
+$600
Early-stage install base (744 ratings)METRIC
+$400
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.
App Specs
🔐 Own this app? Claim & verify MRR →
🔖 v1.2.7🔄 updated 5y ago📂 Communication💰 Free📺 Ad-supported💎 IAP $0.99 - $2.49 per item🚀 Launched 2015 (11y old)

📝 About this app

The most popular Turn Off the Lights browser extension that dims everything in the background, so you can enjoy the video you’re watching without any distractions. This app is the darkest mobile web browser where it loads pages super-fast, with the power of the latest rendering engine.

No more white screen when browsing the web on your mobile device. With one tap on the white lamp button, it dims the web page. For example, if there is a YouTube video on the page, it will automatically highlight the video player.… View full description on the official store →
🧪

Tech & Domain Intel — turnoffthelights.com

Tech stack
Google Workspace · Apple Pay / Sign in with Apple
Derived from public RDAP + DNS TXT records (no scraping, no login).
🔔

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Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Turn Off the Lights for Mobile
Developer
Stefan vd
Bundle ID
com.stefanvd.turnoffthelights
App Store URL
Open in App Store
Category
Communication
Content rating
Not found
Languages
Not found

Company

Website
www.turnoffthelights.com
Tagline
Not found
Description
Not found
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
Not found

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
ML model estimate / mo
$443/mo
Top-grossing rank
Not found
All-time revenue
Not found
Pricing
$0.99 - $2.49 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.
AI Revenue EstimateCONFIDENCE: LOW
Publicly available data from sources like Sensor Tower, Statista, Adapty, and Reddit do not provide specific revenue estimates for the Android app 'Turn Off the Lights for Mobile' by Stefan vd. While the app is described as free, user reviews indicate the existence of a 'paid version' or in-app purchases, suggesting some level of monetization, but no figures are disclosed.
Sources mentioned: Sensor Tower, Statista, Adapty, Reddit, Google Play, App Store, Stefan vd's website
📈Ratings growth744 ratings+43% lifetimeShow 3-year history estimate ▾Jun 2023Dec 2024May 2026
Tracked (1 weeks) Pre-tracking estimate (35 weeks) · model-based, ±5% noise · anchored to release date and current value
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.

Similar apps in Communication

Full revenue analysis
Read the article-style breakdown for Turn Off the Lights for Mobile: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Read deep-dive →