Manga Viewer - CBZ(CBR) Reader
70
Quality Score
Strong
Manga Viewer - CBZ(CBR) Reader
Medium confidence
✍️ bumetric analysis
“
Manga Viewer - CBZ(CBR) Reader is an iOS app from kim juyoung in the Food & Drink category, currently rated 4.8★ across 335 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 70: Strong (healthy traction). For a Food & Drink app, that means healthy traction. 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
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD
💰 Estimated build cost
$65K
↳ What it cost to build · not monthly revenue
Likely range $50K – $90K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~2 months 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 |
| 📦 Asset bundle (76 MB) | +$10K |
| ⚙ Food & Drink complexity ×1.10 | +$6K |
Total estimate
$65K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$425K
↳ What it would sell for · not monthly revenue
Marketplace range $325K – $600K · 16× MRR multiple
💸
~6.5× return on build cost
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 ≥ 4.7 (premium) | +15% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
16× MRR
👥 Estimated audience size
33K
Lifetime downloads (US-equivalent)
Monthly active
4.6K
Daily active
920
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
| 📲 Food & Drink engagement | ~100 installs / rating |
| 🔁 Food & Drink D30 retention | 14% |
| 📍 DAU / MAU stickiness | 0.20 |
DAU / MAU
20% sticky
🔬
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
Below median · 51/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
6.5
Product Quality
6.6
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
5.7
Market Position
2.0
Operational Safety
10.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.75★ across 335 reviews — solid.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Low — 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. Portfolio play ($60K/mo combined) commands premium.
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 7 of 7 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Excellent rating (4.8★)METRIC | +$2,200 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (8y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (335 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.
🆕 What's New · v1.368
- Fixed an issue where the app crashed when attempting to extract a rar file placed in the app via the Apple device app.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Manga Viewer - CBZ(CBR) Reader
- Developer
- kim juyoung
- Bundle ID
- com.junhulove.ComicViewer
- App Store URL
- Open in App Store
- Category
- Food & Drink
- Content rating
- 4+
- Languages
- EN, JA, KO
Company
- Website
- Not found
- Tagline
- KomiSoft Apps Blog
- Description
- 텍스트, 만화, 뷰어, Viewer, Text, Manga, Reader, txt, 이북, 웹툰, 워치 리더, 애플 워치, 아이폰, 아이패드
- 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
- $27.1K/mo
- Top-grossing rank
- Outside top 100 in US Food & Drink
- 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.
📈Ratings growth335 ratings+33400% lifetimeShow 3-year history estimate ▾
Tracked (33 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
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
The simplest viewer app for viewing comic, fictional image archives
Such as a cartoon or a novel, on a smartphone
You can see it anywhere.
Now that you've installed the app
Try transferring files on your PC with WiFi
* Some functions may not be supported on Mac(Apple Silicon)
** Characteristic **
- zip, rar, 7z, cbz, cbr, cb7 compressed files are supported (png, jpeg, jpg, gif, bmp, tif, tiff extension images are included, webp format is supported from iOS14)
- PDF file support
- TIF/TIFF file support (like PDF file, change in settings)
- Upload via PC web browser (WIFI)… View full description on the official store →
Such as a cartoon or a novel, on a smartphone
You can see it anywhere.
Now that you've installed the app
Try transferring files on your PC with WiFi
* Some functions may not be supported on Mac(Apple Silicon)
** Characteristic **
- zip, rar, 7z, cbz, cbr, cb7 compressed files are supported (png, jpeg, jpg, gif, bmp, tif, tiff extension images are included, webp format is supported from iOS14)
- PDF file support
- TIF/TIFF file support (like PDF file, change in settings)
- Upload via PC web browser (WIFI)… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 76 MB🔞 4+📱 iOS 14.0+🔖 v1.368🔄 updated 0d ago🌐 EN, JA, KO📂 Food & Drink💰 Paid
📅
What Worked™ · Development Pipeline
8 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 →
2026-05
⭐
Rating ↑ 4.20 → 4.75 (improved 0.55★)
2026-05
📈
Crossed 10 ratings — social-proof flywheel kicking in
2026-05
🔄
Monetization changed: freemium → free
2021-05
⭐
Rating ↓ 4.22 → 3.90 (dropped 0.32★)
2021-05
📈
Crossed 10 ratings — social-proof flywheel kicking in
2019-03
⭐
Rating ↓ 4.50 → 4.00 (dropped 0.50★)
2019-01
⭐
Rating ↓ 5.00 → 4.50 (dropped 0.50★)
2018-12
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.75★ | 24 | 4.75★ this version |
| 🇧🇷 BR | 4.69564★ | 23 | 4.69564★ this version |
| 🇨🇦 CA | 4.5625★ | 32 | 4.5625★ this version |
| 🇩🇪 DE | 4.66667★ | 33 | 4.66667★ this version |
| 🇫🇷 FR | 4.81081★ | 74 | 4.81081★ this version |
| 🇬🇧 GB | 4.66667★ | 15 | 4.66667★ this version |
| 🇮🇳 IN | 4.92★ | 25 | 4.92★ this version |
| 🇯🇵 JP | 4.44684★ | 649 | 4.44684★ this version |
| 🇺🇸 US | 4.74702★ | 336 | 4.74702★ this version |
🔔
Track this app’s revenue
FREEGet an email when revenue moves by your threshold. No spam, unsubscribe in one click.
📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Manga Viewer - CBZ(CBR) Reader: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by kim juyoung
View all →📦 Portfolio summaryINDIE studio
4apps·$60K/mocombined
✓ Diversified — top app contributes 44%; risk spread across portfolio
About this analysis
Why medium confidence: 335 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Manga Viewer - CBZ(CBR) Reader make per month?▴
Based on our ML-calibrated revenue forecast, Manga Viewer - CBZ(CBR) Reader earns approximately $27K/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 Manga Viewer - CBZ(CBR) Reader?▴
Browse the full Food & Drink 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 Manga Viewer - CBZ(CBR) Reader?▴
Manga Viewer - CBZ(CBR) Reader is published by kim juyoung on the Apple App 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 Manga Viewer - CBZ(CBR) Reader's BU Score?▴
Manga Viewer - CBZ(CBR) Reader has a BU Score of 70/100 (Strong). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.