One Late Night: Mobile (DEMO)
56
Quality Score
Solid
✍️ Bumetric analysis
“
One Late Night: Mobile (DEMO) is an Android app from Black Curtain Studio in the Adventure category, currently rated 3.1★ across 12,908 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 Adventure 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
$5.0K
per month
→
12-mo forecast
$5.2K – $10.8K
per month
→
24-mo forecast
$6.4K – $19.2K
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
5 snapshots on record
Rating
3.1
Reviews
12,908 reviews
Forecast Revenue / mo
$5.0K
Snapshots tracked
5
since May 2026
ONE-TIME · BUILD
💰 Estimated build cost
$165K
↳ What it cost to build · not monthly revenue
Likely range $125K – $225K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~2.8y 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 |
| ⚙ Adventure complexity ×2.10 | +$55K |
| 🌐 Cross-platform reach (iOS + Android) | +$58K |
Total estimate
$165K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$50K
↳ What it would sell for · not monthly revenue
Marketplace range $40K – $75K · 10× MRR multiple
💸
~0.3× 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 |
| ⭐ ★ rating < 3.5 (weak) | -18% |
| 🏷 Adventure category multiple | -15% |
Final multiple
10× MRR
👥 Estimated audience size
1.8M
Lifetime downloads (US-equivalent)
Monthly active
215K
Daily active
64K
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
| 📲 Adventure engagement | ~140 installs / rating |
| 🔁 Adventure D30 retention | 12% |
| 📍 DAU / MAU stickiness | 0.30 |
DAU / MAU
30% sticky
🛠 Estimated tech stack
🤖
Native Android (Kotlin)
Medium confidence · 55%
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 context | Adventure |
| 📦 Tiny game bundle | → Native 2D engine |
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.0K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$4.7K – $7.9K
12 months
$5.2K – $10.8K
24 months
$6.4K – $19.2K
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
Stalled · 38/100MID TIERno growth momentumGrowth Velocity
5.0
Founder Strength
3.6
Product Quality
6.1
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
6.0
Market Position
0.0
Operational Safety
5.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.07★ across 12,908 reviews — solid.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 2971d ago — possibly dormant.
- ⚠️ Risk: Elevated — dormant (2971d 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 = $90K-$160K.
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 5 of 5 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (12,908 ratings)METRIC | +$5,500 | |
| Below-average rating (3.1★)METRIC | −$1,500 | |
| Mature app (10y old)METRIC | +$1,500 | |
| slowREVIEW | −$1,200 | |
| 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.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- One Late Night: Mobile (DEMO)
- Developer
- Black Curtain Studio
- Bundle ID
- com.blackcurtainstudio.olndemo
- App Store URL
- Open in App Store
- Category
- Adventure
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.blackcurtainstudio.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
- Model estimate / mo
- $5.0K/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
<i>Please note the minimum device requirements below</i>
Have you ever worked at an office? Alone? Late at night?
You are a white-collar office worker, staying alone into the late hours of the night to meet a deadline.
As you go about your routines, strange things will start to happen and you will realize you are not as alone as you think.
Find and discover clues around the office that will unravel the mystery, or unravel your mind.
Sound, monologues and visual indicators will guide you so be watchful.
- A full mobile conversion of the original PC version.… View full description on the official store →
Have you ever worked at an office? Alone? Late at night?
You are a white-collar office worker, staying alone into the late hours of the night to meet a deadline.
As you go about your routines, strange things will start to happen and you will realize you are not as alone as you think.
Find and discover clues around the office that will unravel the mystery, or unravel your mind.
Sound, monologues and visual indicators will guide you so be watchful.
- A full mobile conversion of the original PC version.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v1.07🔄 updated 0d ago📂 Adventure💰 Free
📅
What Worked™ · Development Pipeline
2 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 →
2026-06
📸
Refreshed store screenshots — 5 of 5 updated
→ 30 days after: reviews −8 high confidence
2026-05
🚀
First tracked snapshot — initial data captured
→ 30 days after: reviews −5 high confidence
📸
Store Page History
5 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.
2026-05-10
2026-06-13
Slot 2
2 ver.
2 ver.
2026-05-10
2026-06-13
Slot 3
2 ver.
2 ver.
2026-05-10
2026-06-13
Slot 4
2 ver.
2 ver.
2026-05-10
2026-06-13
Slot 5
2 ver.
2 ver.
2026-05-10
2026-06-13
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for One Late Night: Mobile (DEMO): category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Black Curtain Studio
View all →📦 Portfolio summaryINDIE studio
3apps·$9K/mocombined
Lead-app heavy — top app contributes 53%
About this analysis
Why high confidence: 12,908 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
8 answers · auto-generated from this app's public dataHow much does One Late Night make per month?▴
Based on our ML-calibrated revenue forecast, One Late Night earns approximately $5.0K/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 One Late Night profitable?▴
With estimated build cost $165K and monthly revenue $5.0K, One Late Night looks break-even-grade — payback period sits around 2.8 years. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does One Late Night have?▴
Estimated audience: ~1.8M lifetime downloads, ~215K monthly active users, and ~64K 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 One Late Night?▴
Browse the full Adventure 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 One Late Night built with?▴
Our heuristic places One Late Night on the Native Android (Kotlin) stack (Medium confidence, 55%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
How much would One Late Night sell for?▴
Estimated acquisition value: $50K (marketplace range $40K – $75K). Calculated as 10× 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.
Who makes One Late Night?▴
One Late Night is published by Black Curtain Studio 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 One Late Night's BU Score?▴
One Late Night 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.