ListenBook: audiobook player
47
Quality Score
Emerging
✍️ Bumetric analysis
“
ListenBook: audiobook player is an iOS app from Oleg Brailean in the Food & Drink category, currently rated 3.4★ across 32 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 47: 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
$500
per month
→
12-mo forecast
$437 – $1575
per month
→
24-mo forecast
$405 – $3644
per month
INDIE 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
42 snapshots on record
Rating
3.4
Reviews
32 reviews
Forecast Revenue / mo
$500
Snapshots tracked
42
since Apr 2023
ONE-TIME · BUILD
💰 Estimated build cost
$110K
↳ What it cost to build · not monthly revenue
Likely range $80K – $150K
$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 (128 MB) | +$31K |
| ⚙ Food & Drink complexity ×1.10 | +$8K |
| ⚙ 3.5y maintenance × ~1-person team | +$21K |
Total estimate
$110K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$5K
↳ What it would sell for · not monthly revenue
Marketplace range $5K – $10K · 13× MRR multiple
💸
~0.0× 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 |
| 📅 3.5y proven track record | +18% |
| ⭐ ★ rating < 3.5 (weak) | -18% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
13× MRR
🛠 Estimated tech stack
🍎
Native iOS (SwiftUI)
Medium confidence · 60%
Also possible
React Native
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
| 📦 App bundle size | 128 MB |
| 🏷 Category context | Food & Drink |
| 📦 Mid-large iOS bundle | → Likely native SwiftUI (post-2020 era) |
💀 Maintenance status
At risk
40%
Last shipped 2026-05-08 · 142 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
| 📅 4 months since last update | Slowing cadence |
| 👥 Small user base (32 ratings) + 3.5y old | +10% (solo-project pattern) |
Verdict
At risk
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$500/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$426 – $993
12 months
$437 – $1.6K
24 months
$405 – $3.6K
Compound growth at +6.0% MoM (tier baseline for INDIE). Range widens with horizon — typical noise band ±40% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Early-stage solo · 40/100INDIE TIERexpected for tierGrowth Velocity
5.0
Founder Strength
6.5
Product Quality
2.8
Revenue Strength
2.7
Monetization Maturity
1.0
Defensibility
4.4
Market Position
2.0
Operational Safety
8.0
- 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.44★ across 32 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ 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 = $9K-$16K. Portfolio play ($61K/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 8 of 8 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| excellent appREVIEW | +$1,500 | |
| Below-average rating (3.4★)METRIC | −$1,500 | |
| Multilingual (29 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| Established app (3y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Pre-traction phase (32 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.
🆕 What's New · v2.45
Thank you for using ListenBook! Here's what's new in version:
● Apple Watch Player - Full standalone playback is here. Download books directly to your Watch and listen without your iPhone. Switch between standalone and remote control modes with one tap.… Full release notes →
● Apple Watch Player - Full standalone playback is here. Download books directly to your Watch and listen without your iPhone. Switch between standalone and remote control modes with one tap.… Full release notes →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- ListenBook: audiobook player
- Developer
- Oleg Brailean
- Bundle ID
- com.biomsoft.listenbookfre
- App Store URL
- Open in App Store
- Category
- Food & Drink
- Content rating
- 4+
- Languages
- AR, CS, DA, NL, EN, FI, FR, DE, HE, HI, HU, ID, IT, JA, KO, LT, NB, PL, PT, RO, RU, SR, ZH, SK, ES, SV, ZH, TR, UK
Company
- Website
- Not found
- Tagline
- Today
- Description
- Find apps and games for iPhone, iPad, Mac, and more on the App Store.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Available
Revenue
- Reported revenue signal / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- Model estimate / mo
- $500/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 growth39 ratings+3800% lifetimeShow 3-year history estimate ▾
Tracked (42 weeks) Pre-tracking estimate (0 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
Play your own audiobooks on iPhone, iPad, and Apple Watch. Any format - no conversion needed. Listen on Watch without your iPhone. Free books via LibriVox, built in.
* The app plays your own audio files. Audiobooks are not included. *
=====
APPLE WATCH PLAYER
A full standalone player on your wrist.… View full description on the official store →
* The app plays your own audio files. Audiobooks are not included. *
=====
APPLE WATCH PLAYER
A full standalone player on your wrist.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 128 MB🔞 4+📱 iOS 16.0+🔖 v2.45🔄 updated 4mo ago🌐 AR, CS, DA, NL, EN +24📂 Food & Drink💰 Paid🚀 Launched 2023 (3y old)
📅
What Worked™ · Development Pipeline
10 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
🔄
Monetization changed: freemium → free
→ 30 days after: rating +0.18★ · reviews +5 high confidence
2026-05
⭐
Rating ↑ 2.70 → 3.44 (improved 0.74★)
→ 30 days after: rating +0.18★ · reviews +5 high confidence
2025-11
📈
Crossed 10 ratings — social-proof flywheel kicking in
2025-04
⭐
Rating ↓ 3.43 → 3.13 (dropped 0.30★)
2024-12
⭐
Rating ↑ 2.80 → 3.17 (improved 0.37★)
2024-07
⭐
Rating ↓ 3.25 → 2.80 (dropped 0.45★)
2023-12
⭐
Rating ↓ 4.00 → 3.25 (dropped 0.75★)
2023-09
⭐
Rating ↑ 3.50 → 4.00 (improved 0.50★)
2023-09
⭐
Rating ↓ 4.00 → 3.50 (dropped 0.50★)
2023-04
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 5★ | 1 | 5★ this version |
| 🇧🇷 BR | 0★ | 0 | — |
| 🇨🇦 CA | 2★ | 3 | 2★ this version |
| 🇩🇪 DE | 3.6★ | 5 | 3.6★ this version |
| 🇫🇷 FR | 0★ | 0 | — |
| 🇬🇧 GB | 2.57143★ | 7 | 2.57143★ this version |
| 🇮🇳 IN | 1★ | 1 | 1★ this version |
| 🇯🇵 JP | 5★ | 1 | 5★ this version |
| 🇺🇸 US | 3.53846★ | 39 | 3.53846★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
More by Oleg Brailean
View all →📦 Portfolio summaryINDIE studio
5apps·$20K/mocombined
✓ Diversified — top app contributes 24%; risk spread across portfolio
About this analysis
Why low confidence: only 32 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
❓ Frequently Asked Questions
9 answers · auto-generated from this app's public dataHow much does ListenBook make per month?▴
Based on our ML-calibrated revenue forecast, ListenBook earns approximately $500/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 ListenBook profitable?▴
With estimated build cost $110K and monthly revenue $500, ListenBook looks well below break-even — current monthly revenue is much smaller than the estimated build cost. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
What apps are like ListenBook?▴
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 ListenBook built with?▴
Our heuristic places ListenBook on the Native iOS (SwiftUI) stack (Medium confidence, 60%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: React Native, Flutter.
Is ListenBook still actively maintained?▴
Maintenance status: At risk (40% abandonment risk). Last shipped version was 4 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would ListenBook sell for?▴
Estimated acquisition value: $5.0K (marketplace range $5.0K – $10K). 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 ListenBook last updated?▴
ListenBook last shipped a new version on 2026-05-08 — 4 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes ListenBook?▴
ListenBook is published by Oleg Brailean 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 ListenBook's BU Score?▴
ListenBook has a BU Score of 47/100 (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.