Flying Lines: Yaoi & BL Novels
51
Quality Score
Solid
Flying Lines: Yaoi & BL Novels
Medium confidence
✍️ bumetric analysis
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Flying Lines: Yaoi & BL Novels is an iOS app from Oriental Times Technology Co., Ltd. in the Food & Drink category, currently rated 4.0★ across 146 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 51: Solid (established niche player). For a Food & Drink 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 tierSUBSCRIPTION
💡 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
$75K
↳ What it cost to build · not monthly revenue
Likely range $55K – $100K
$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 |
| 📦 Asset bundle (98 MB) | +$19K |
| ⚙ Food & Drink complexity ×1.10 | +$6K |
Total estimate
$75K
👥 Estimated audience size
14K
Lifetime downloads (US-equivalent)
Monthly active
2.0K
Daily active
400
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)
Direction
Tailwinds: monetization model proven
Headwinds: review-mined risks present
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 · 43/100MID TIERSUBSCRIPTIONunderperforming peersGrowth Velocity
5.0
Founder Strength
3.0
Product Quality
4.1
Revenue Strength
3.7
Monetization Maturity
9.5
Defensibility
6.3
Market Position
2.0
Operational Safety
1.1
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.97★ across 146 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 1624d ago — possibly dormant.
- ⚠️ Risk: High — scam/fraud mentions detected, bug mentions above category norm, rating drift -0.47 ★ (recent 50 vs lifetime).
🎯 For competitors: Vulnerable. Quality drift + slow updates create a clear opening for a fresh competitor with active dev cadence.
💵 For acquirers: Estimated asking range 12-22× monthly = $60K-$110K. Discount applied for operational risk..
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:
| slowREVIEW | −$1,200 | |
| Established app (7y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (146 ratings)METRIC | +$400 | |
| Single-language (English only)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 · v4.9.5
-Optimized reading page to provide better reading experience！
- Bug fixes and function optimization.
For any problems using the App, please contact us at the Feedback section in your profile.
- Bug fixes and function optimization.
For any problems using the App, please contact us at the Feedback section in your profile.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Flying Lines: Yaoi & BL Novels
- Developer
- Oriental Times Technology Co., Ltd.
- Bundle ID
- com.rere.ios.flying-lines
- App Store URL
- Open in App Store
- Category
- Food & Drink
- Content rating
- 12+
- Languages
- EN
Company
- Website
- Not found
- Tagline
- Not found
- Description
- Flying Lines dedicate to providing the most trendy novel updates in English. Join us to read your next fantastic web novel and romance fiction!
- 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
- $16/mo
- Top-grossing rank
- 🇮🇳#65 /100
- 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
- Socials
- facebook facebook.com/Flyinglines-708131849526755 · twitter twitter.com/Flying_Lines
- Not found
- Phone
- Not found
- Contact page
- flying-lines.com/article/contact-us.html
- About page
- Not found
📈Ratings growth146 ratings+1227% lifetimeShow 3-year history estimate ▾
Tracked (56 weeks) Pre-tracking estimate (36 weeks) · model-based, ±5% noise · anchored to release date and current value
🗺️Geographic Distribution1 of 9 markets
🇮🇳
IN
Top-grossing rank: #65 / 100
Other markets
Outside top 100
in US, GB, DE, FR, JP, CA, AU, BR, IN
in US, GB, DE, FR, JP, CA, AU, BR, IN
This app currently ranks in only one of the 9 markets we monitor. Niche or regional apps often launch this way before global rollout. Rankings update daily.
📊Category Rank Trajectory#65 now · best #62 · worst #96
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
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
Are you looking for great BL, Yaoi, doujinshi or pure romance to read? Flying Lines is a free web novel APP to read ABO, BL books and yaoi novels. BL romance and BL manga are good choices for BL reader. We also have fantasy books and other flying books. Read addictive web novels of BL novels, LGBT, free yaoi, doujinshi and romance novels on Flying Lines now!
FlyingLines devotes to translate hot Chinese web novels into English. Right now we have translated hundreds of romance, BL and Yaoi novels for romance and BL reader.… View full description on the official store →
FlyingLines devotes to translate hot Chinese web novels into English. Right now we have translated hundreds of romance, BL and Yaoi novels for romance and BL reader.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 98 MB🔞 12+📱 iOS 12.0+🔖 v4.9.5🔄 updated 0d ago🌐 EN📂 Food & Drink💰 Free
📅
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
📈
Crossed 10 ratings — social-proof flywheel kicking in
2026-05
🔄
Monetization changed: freemium → free
2021-10
📈
Crossed 50 ratings — social-proof flywheel kicking in
2019-10
📈
Crossed 10 ratings — social-proof flywheel kicking in
2019-08
⭐
Rating ↑ 1.60 → 2.17 (improved 0.57★)
2019-07
⭐
Rating ↑ 1.25 → 1.60 (improved 0.35★)
2019-06
⭐
Rating ↑ 1.00 → 1.50 (improved 0.50★)
2019-06
🚀
First tracked snapshot — initial data captured
🗣
Voice of Customer
Based on 92 reviews across 4 markets● 76% positive · ● 4% neutral · ● 20% negative · Rating drift: -0.47★ (declining — recent 50: 3.5★ vs lifetime: 3.97★)
VADER compound sentiment per quarter (−1 = fully negative, +1 = fully positive). Each point ≥ 5 reviews.
Sentiment by country (−1 to +1)
🇦🇺 AU
+0.65
🇨🇦 CA
+0.55
🇺🇸 US
+0.47
🇬🇧 GB
+0.37
Top praise themes
read ×15 stories ×11 reading ×8 novel ×8 website ×7 amazing ×7 pay ×7 one ×7
Top complaint themes
free vip ×3 attack titan ×3 sign sign ×3 book ×12 read ×11 books ×9 money ×9 problem ×8
Risk signals
Subscription complaints: 3% Bug mentions: 9% Fraud / scam mentions: 1.1%
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.75★ | 16 | 4.75★ this version |
| 🇧🇷 BR | 5★ | 2 | 5★ this version |
| 🇨🇦 CA | 3.66667★ | 27 | 3.66667★ this version |
| 🇩🇪 DE | 4★ | 7 | 4★ this version |
| 🇫🇷 FR | 4.66667★ | 3 | 4.66667★ this version |
| 🇬🇧 GB | 4.30769★ | 13 | 4.30769★ this version |
| 🇮🇳 IN | 3.33333★ | 3 | 3.33333★ this version |
| 🇯🇵 JP | 4.75★ | 4 | 4.75★ this version |
| 🇺🇸 US | 3.9726★ | 146 | 3.9726★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Flying Lines: Yaoi & BL Novels: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why medium confidence: 146 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Flying Lines make per month?▴
Based on our ML-calibrated revenue forecast, Flying Lines earns approximately $16/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 Flying Lines?▴
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 Flying Lines?▴
Flying Lines is published by Oriental Times Technology Co., Ltd. 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 Flying Lines's BU Score?▴
Flying Lines has a BU Score of 51/100 (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.