42
Quality Score
Emerging
福音有声APP
Low confidence
✍️ bumetric analysis
“
福音有声APP is an iOS app from Taiwan Gospel Book Room (TWGBR) in the Food & Drink category, currently rated 3.8★ across 8 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 42: Emerging (early traction worth watching). For a Food & Drink 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
💡 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
$140K
↳ What it cost to build · not monthly revenue
Likely range $105K – $190K
$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 |
| ⚙Food & Drink complexity ×1.10 | +$5K |
| ⚙14.3y maintenance × ~1-person team | +$85K |
Total estimate$140K
🛠 Estimated tech stack
🍎
Native iOS (Swift / UIKit)
High confidence · 80%
Also possible
Native iOS (SwiftUI)
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
| 📦App bundle size | 13 MB |
| 🏷Category context | Food & Drink |
| 📦Compact iOS bundle | → Native Swift / UIKit (pre-2020 era) |
💀 Maintenance status
Likely abandoned
95%
Last shipped 2019-10-01 · 2428 days ago
0 · Active50 · At risk100 · 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
| 📅6y+ since last update | Likely abandoned |
| 👥Small user base (8 ratings) + 14.3y old | +10% (solo-project pattern) |
| •14y old + 1y+ no update | +5% (API deprecation drift) |
VerdictLikely abandoned
🔬
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
Headwinds: rating drift may slow acquisition
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 · 40/100MID TIERno growth momentumGrowth Velocity
5.0
Founder Strength
4.2
Product Quality
3.0
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
6.0
Market Position
2.0
Operational Safety
7.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.75★ across 8 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 2423d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (2423d since update).
🎯 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
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 3 of 3 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($0.00)METRIC | +$2,800 | |
| Mature app (14y old)METRIC | +$1,500 | |
| Pre-traction phase (8 ratings)METRIC | −$300 |
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.
App Specs
🔐 Own this app? Claim & verify MRR →💾 13 MB🔞 4+📱 iOS 11.0+🔖 v4.1.1🔄 updated 6y ago🌐 EN, ZH, ZH📂 Food & Drink💰 Paid🚀 Launched 2012 (14y old)
📝 About this app
《福音有声APP》整合台湾福音书房现有八款有声APP，包含《有声圣经》、《诗歌合辑》、《诗歌伴奏》、《生命读经》、《生命活泉》、《福音见证》、《故事聆听》、《童话绘本》等数字内容，并且支持iPhone、iPhone X、iPad、iPad Pro等设备之直向、横向显示。凡是先前已购买生命读经（有声APP）的用户可享免费升级（原先八款有声APP，将于此APP上架后下架）。
《福音有声APP》为云端版本，需上网播放。针对特殊需要，另有提供『加入书签』、『单首下载』功能。点选控制面板右方「书签」按钮，可标记书签；点选控制面板右方「下载」按钮，可将音文件下载脱机播放。此APP支持背景连续播放，即使屏幕自动锁定后，仍可连续播放。
■ 技术客服：任何使用上的问题，欢迎来信：pc.app@twgbr.org，会有专人为你服务、解答。
《福音有声APP》为云端版本，需上网播放。针对特殊需要，另有提供『加入书签』、『单首下载』功能。点选控制面板右方「书签」按钮，可标记书签；点选控制面板右方「下载」按钮，可将音文件下载脱机播放。此APP支持背景连续播放，即使屏幕自动锁定后，仍可连续播放。
■ 技术客服：任何使用上的问题，欢迎来信：pc.app@twgbr.org，会有专人为你服务、解答。
📅
What Worked™ · Development Pipeline
4 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
💲
Went paid — introduced $29.99 price point
2026-03
⭐
Rating ↑ 3.00 → 3.80 (improved 0.80★)
2017-10
⭐
Rating ↑ 1.00 → 3.00 (improved 2.00★)
2015-01
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 0★ | 0 | — |
| 🇧🇷 BR | 0★ | 0 | — |
| 🇨🇦 CA | 5★ | 2 | 5★ this version |
| 🇩🇪 DE | 0★ | 0 | — |
| 🇫🇷 FR | 0★ | 0 | — |
| 🇬🇧 GB | 0★ | 0 | — |
| 🇮🇳 IN | 0★ | 0 | — |
| 🇯🇵 JP | 0★ | 0 | — |
| 🇺🇸 US | 3.75★ | 8 | 3.75★ this version |
🔔
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Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- 福音有声APP
- Developer
- Taiwan Gospel Book Room (TWGBR)
- Bundle ID
- tw.org.twgbr.LifeStudy
- App Store URL
- Open in App Store
- Category
- Food & Drink
- Content rating
- 4+
- Languages
- EN, ZH, ZH
Company
- Website
- Not found
- Tagline
- 臺灣福音書房－新品
- Description
- 冬季訓練相關書籍、新品推介
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Available
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $86/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
- Socials
- facebook facebook.com/TWGospelBookroom
- Not found
- Phone
- 02-27575777
- Contact page
- Not found
- About page
- twgbr.org.tw/about/policy
📈Ratings growth8 ratings+700% lifetimeShow 3-year history estimate ▾
Tracked (5 weeks) Pre-tracking estimate (36 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.
💰Pricing History$0.00 → $29.99 (+0%)
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.
More by Taiwan Gospel Book Room (TWGBR)
View all →📦 Portfolio summaryINDIE studio
4apps·$344/mocombined
✓ Diversified — top app contributes 25%; risk spread across portfolio
About this analysis
Why low confidence: only 8 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
📌 Final verdict — read this before you trust the numbers above
福音有声APP is a early-stage iOS app in the food & drink space with weak public traction — only 8 ratings, no founder-verified MRR, and not ranked in any monitored grossing chart. The app appears to be monetised, but public signals are too sparse for a precise revenue estimate.
Bottom line: treat all revenue, audience and acquisition-value numbers on this page as directional only — not founder-verified facts.
❓ Frequently Asked Questions
7 answers · auto-generated from this app's public dataHow much does 福音有声APP make per month?▴
Low-confidence model estimate. 福音有声APP has only 8 App Store ratings, so our revenue model has very little signal to work with — treat the ~$86/mo figure as directional only, not a verified MRR. No founder-verified revenue data is available for this app. See methodology for the formula and confidence bands.
What apps are like 福音有声APP?▴
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.
What is 福音有声APP built with?▴
Our heuristic places 福音有声APP on the Native iOS (Swift / UIKit) stack (High confidence, 80%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Native iOS (SwiftUI).
Is 福音有声APP still actively maintained?▴
Maintenance status: Likely abandoned (95% abandonment risk). Last shipped version was 6+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
When was 福音有声APP last updated?▴
福音有声APP last shipped a new version on 2019-10-01 — more than 6 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes 福音有声APP?▴
福音有声APP is published by Taiwan Gospel Book Room (TWGBR) 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 福音有声APP's BU Score?▴
福音有声APP has a BU Score of 42/100 (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.