Blackr: OLED Screen Off
59
Quality Score
Solid
βοΈ GetAppValue analysis
“
Blackr: OLED Screen Off is an Android app from Neximo Tech in the Tools category, currently rated 4.1β across 3,682 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 59: 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.
π° Monthly revenue Β· now vs forecast
β Right now
$5.0K
per month
β
12-mo forecast
$5.2K β $10.8K
per month
β
24-mo forecast
$6.4K β $19.2K
per month
MID tier
π‘ Grow this revenue
Free AI audit of this appβs store listing
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
Typical impact: +2-5Γ organic installs
π Performance Tracking LIVE
Loadingβ¦
Rating
β
Reviews
β
Forecast Revenue / mo
β
Snapshots tracked
0
since first record
ONE-TIME Β· BUILD
π° Estimated build cost
$85K
β³ What it cost to build Β· not monthly revenue
Likely range $65K β $115K
$25K Β· MVP floor
$100K Β· indie scale
$500K+ Β· studio build
π
Slow ROI β current MRR is well below build cost
Synthetic estimate. Inputs: category complexity, file size, screen count, monetization layer, platform reach, age Γ team-size proxy. Calibrated against 2024-2026 indie-agency rate surveys. Full math + source list on /methodology.
Where the money goes
| 𧱠MVP baseline (design + 1-store ship) | +$28K |
| π± 5 unique screens Γ $4.5K | +$22K |
| π In-app purchase plumbing | +$9K |
| β Tools complexity Γ0.90 | $-5949 |
| π Cross-platform reach (iOS + Android) | +$29K |
Total estimate
$85K
ONE-TIME Β· EXIT VALUE
π΅ Estimated acquisition value
$20K
β³ What it would sell for Β· not monthly revenue
Marketplace range $15K β $25K Β· 26Γ MRR multiple
πΈ
~0.2Γ build cost (under-water)
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
| π IAP / freemium model base | 28Γ MRR |
| π· Tools category multiple | -8% |
Final multiple
26Γ MRR
π₯ Estimated audience size
695K
Lifetime downloads (US-equivalent)
Monthly active
150K
Daily active
27K
Synthetic estimate from ratings Γ category benchmarks. Calibrated against 2024-2026 mobile-attribution retention + DAU/MAU reports. Numbers are US-storefront-equivalent β true global audience can be 5-10Γ larger for international apps. Full math + source list on /methodology.
How we sized it
| π² Tools engagement | ~190 installs / rating |
| π Tools D30 retention | 22% |
| π DAU / MAU stickiness | 0.18 |
DAU / MAU
18% sticky
π¬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.0K/mo Β· ML-estimated from 234 triggers
Growth rate
+4.0% MoM Β· MID tier baseline (compound monthly)
6 months
$4.7K β $7.9K
12 months
$5.2K β $10.8K
24 months
$6.4K β $19.2K
Compound growth at +4.0% MoM (tier baseline for MID). Range widens with horizon β typical noise band Β±25% at 6mo.. Ranges widen with horizon β distant futures carry more uncertainty.
π
BU Investment Matrix
Below median Β· 49/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
3.7
Product Quality
7.4
Revenue Strength
3.7
Monetization Maturity
4.0
Defensibility
8.5
Market Position
0.0
Operational Safety
7.0
- π° Revenue: Modest β $3K - $7K/mo Β· MID tier Β· medium confidence, trajectory unclear.
- β Quality: 4.13β across 3,682 reviews β solid.
- π Market: Not yet charting in any of the 9 monitored markets.
- π Growth: β last update 631d ago β possibly dormant.
- β οΈ Risk: Moderate β dormant (631d since update).
π― 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.
π΅ For acquirers: Estimated asking range 18-32Γ monthly = $90K-$160K.
Composite of 8 dimensions computed deterministically from public signals β no LLM, every score traces back to a measurable input. Default weights shown; "compete" / "acquire" / "invest" lenses re-weight without re-fetching.
Range:
π° Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
π¬Forecast Breakdown β Why This Estimate?Top 5 of 5 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Low install base (3,682 ratings)METRIC | +$1,500 | |
| Mature app (10y old)METRIC | +$1,500 | |
| intuitive designREVIEW | +$1,000 | |
| Good rating (4.1β )METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 |
METRIC = structural app data Β· REVIEW = mined from user reviews Β· β VERIFIED = Stripe-verified anchor (TrustMRR)
π Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
β Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
Profile & Insights
Everything we know β and don't β about this app and its company.
Identification
- App name
- Blackr: OLED Screen Off
- Developer
- Neximo Tech
- Bundle ID
- com.neximolabs.blackr
- App Store URL
- Open in App Store
- Category
- Tools
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- sites.google.com
- 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
- $172/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $1.99 - $9.99 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.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" β additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
π About this app
π² Blackr simulates a screen off state over apps and does not stop them from running. Useful for turning display off while streaming videos, camera recording and various other use cases.
π Installed by over 1+ Million users globally!
βΊοΈ Simple and smart design makes it very easy and convenient to use. Works best with OLED & AMOLED displays that switch off any pixel displaying true black.
β¬ Can also be used as a pure black screen app, always on display (AOD) or simulated lock screen depending on the scenario.
π Contains NO ADS at all and minimum permissions.β¦ View full description on the official store β
π Installed by over 1+ Million users globally!
βΊοΈ Simple and smart design makes it very easy and convenient to use. Works best with OLED & AMOLED displays that switch off any pixel displaying true black.
β¬ Can also be used as a pure black screen app, always on display (AOD) or simulated lock screen depending on the scenario.
π Contains NO ADS at all and minimum permissions.β¦ View full description on the official store β
π v8.6π updated 0d agoπ Toolsπ° Freeπ IAP $1.99 - $9.99 per item
π
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π Description
95
BU Score Β· Transcendent
Full revenue analysis
Read the article-style breakdown for Blackr: OLED Screen Off: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Neximo Tech
View all βπ¦ Portfolio summaryINDIE studio
2appsΒ·$493/mocombined
Lead-app heavy β top app contributes 65%
About this analysis
Why medium confidence: 3,682 ratings Β· no founder-verified revenue (model estimate only).
β Frequently Asked Questions
4 answers Β· auto-generated from this app's public dataHow much does Blackr make per month?β΄
Based on our ML-calibrated revenue forecast, Blackr earns approximately $712/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 Blackr?β΄
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 Blackr?β΄
Blackr is published by Neximo Tech 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 Blackr's BU Score?β΄
Blackr has a BU Score of 59/100 (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.