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TJ노래방(가정용)

43
Quality Score
Emerging

TJ노래방(가정용)

Medium confidence
3.0 Google Play rating
✍️ Bumetric analysis
“

TJ노래방(가정용) is an Android app from TJMEDIA CO., LTD. in the Entertainment category, currently rated 3.0★ across 460 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.

Quality Score is 43: Emerging (early traction worth watching). For a Entertainment app, that means early traction worth watching. 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
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📊 Performance Tracking LIVE

1 snapshots on record
idle
0%
Rating
3.0
Reviews
460 reviews
Forecast Revenue / mo
$5.0K
Snapshots tracked
1
since Jun 2026
ONE-TIME · BUILD 💰 Estimated build cost
$170K
↳ What it cost to build · not monthly revenue
Likely range $130K – $230K
$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
⚙ Entertainment complexity ×1.30 +$15K
🌐 Cross-platform reach (iOS + Android) +$36K
⚙ 11.5y maintenance × ~1-person team +$69K
Total estimate $170K
ONE-TIME · EXIT VALUE 💵 Estimated acquisition value
$75K
↳ What it would sell for · not monthly revenue
Marketplace range $50K – $75K · 13× MRR multiple
💸 ~0.4× 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
📅 11.5y proven track record +20%
⭐ ★ rating < 3.5 (weak) -18%
🏷 Entertainment category multiple -5%
⭐ Small user base (<1K ratings) -8%
Final multiple 13× MRR
👥 Estimated audience size
48K
Lifetime downloads (US-equivalent)
Monthly active
2.4K
Daily active
960

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
📲 Entertainment engagement ~150 installs / rating
📅 11.5y of rating accumulation -30%
🔁 Entertainment D30 retention 12%
📍 DAU / MAU stickiness 0.40
DAU / MAU 40% 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 context Entertainment
📦 Compact Android bundle → Native Kotlin
💀 Maintenance status
At risk
60%
Last shipped 2026-02-24 · 213 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
📅 7 months since last update Concerning gap
👥 Small user base (460 ratings) + 11.5y old +10% (solo-project pattern)
Verdict At risk
🔬

How we forecast this revenue

MEDIUM CONFIDENCE
Baseline
$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

Below median · 42/100MID TIERunderperforming peers
GrowthFounderQualityRevenueMonetiz.MoatMarketSafety
Growth Velocity
5.0
Founder Strength
5.0
Product Quality
4.2
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
7.5
Market Position
0.0
Operational Safety
7.0
  • 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
  • ⭐ Quality: 3.0★ across 460 reviews — weak — significant quality concerns.
  • 📍 Market: Not yet charting in any of the 9 monitored markets.
  • 📈 Growth: last update 210d ago — slow cadence.
  • ⚠️ Risk: Moderate — no material risk signals detected.
🎯 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 = $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

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:
Below-average rating (3.0★)METRIC
−$1,500
Mature app (11y old)METRIC
+$1,500
Ad-supported / freemiumMETRIC
+$600
Early-stage install base (460 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.

Profile & Insights

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

Identification

App name
TJ노래방(가정용)
Developer
TJMEDIA CO., LTD.
Bundle ID
kr.tj.tjsmartplay
App Store URL
Open in App Store
Category
Entertainment
Content rating
Not found
Languages
Not found

Company

Website
www.tjmedia.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

Remotely control all TJ home accompaniment machines with your smartphone!

After installing it on your smartphone, you can use various functions by linking it with the TJ home accompaniment machine.
You can use it.

Applicable half-cycle model
* New models: M1, M2 (released in November 2022), TKR-370HK (released in April 2023)
* Old model: TKR-355HK, TKR-365HK, TKR-360CK

Terminal: Android OS 4.4 (KIT KAT) or higher terminal

Now, even home karaoke rooms are smart!
As long as you have a smartphone, you don't need a songbook or remote control.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →
🔖 v2.2.0🔄 updated 7mo ago📂 Entertainment💰 Free🚀 Launched 2015 (11y old)
🧪

Tech & Domain Intel — tjmedia.com

Tech stack
Microsoft 365
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 TJ노래방(가정용): category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Read deep-dive →

More by TJMEDIA CO., LTD.

View all →
📦 Portfolio summaryINDIE studio
8apps·$17K/mocombined
✓ Diversified — top app contributes 29%; risk spread across portfolio

Similar apps in Entertainment

About this analysis
ZCAnalyzed by Zakhar Chumak · founder, Bumetric·Full methodology·Medium confidence

Why medium confidence: 460 ratings · no founder-verified revenue (model estimate only).

❓ Frequently Asked Questions

10 answers · auto-generated from this app's public data
How much does TJ노래방(가정용) make per month?▴
Based on our ML-calibrated revenue forecast, TJ노래방(가정용) 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 TJ노래방(가정용) profitable?▴
With estimated build cost $170K and monthly revenue $5.0K, TJ노래방(가정용) 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 TJ노래방(가정용) have?▴
Estimated audience: ~48K lifetime downloads, ~2K monthly active users, and ~960 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 TJ노래방(가정용)?▴
Browse the full Entertainment 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 TJ노래방(가정용) built with?▴
Our heuristic places TJ노래방(가정용) on the Native Android (Kotlin) stack (High confidence, 80%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
Is TJ노래방(가정용) still actively maintained?▴
Maintenance status: At risk (60% abandonment risk). Last shipped version was 7 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would TJ노래방(가정용) sell for?▴
Estimated acquisition value: $75K (marketplace range $50K – $75K). Calculated as 13× 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 TJ노래방(가정용) last updated?▴
TJ노래방(가정용) last shipped a new version on 2026-02-24 — 7 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes TJ노래방(가정용)?▴
TJ노래방(가정용) is published by TJMEDIA CO., LTD. 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 TJ노래방(가정용)'s BU Score?▴
TJ노래방(가정용) has a BU Score of 43/100 (Emerging). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.