75
Quality Score
Strong
AmazingBooks Books Audiobooks
High confidence
✍️ bumetric analysis
“
AmazingBooks Books Audiobooks is an Android app from Books & Audiobooks Studio in the Books & Reference category, currently rated 4.5★ across 90,569 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 75: Strong (healthy traction). For a Books & Reference 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
$115K
↳ What it cost to build · not monthly revenue
Likely range $85K – $155K
$25K · MVP floor$100K · indie scale$500K+ · studio build
📈Pays back in ~4.6y 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 |
| ⚙Books & Reference complexity ×0.95 | $-2525 |
| 🌐Cross-platform reach (iOS + Android) | +$26K |
| ⚙7.1y maintenance × ~1-person team | +$42K |
Total estimate$115K
ONE-TIME · EXIT VALUE💵 Estimated acquisition value
$40K
↳ What it would sell for · not monthly revenue
Marketplace range $30K – $50K · 19× MRR multiple
💸~0.3× 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 |
| 📅7.1y proven track record | +20% |
| ⭐★ rating ≥ 4.4 (solid) | +8% |
| 🏷Books & Reference category multiple | -2% |
Final multiple19× MRR
👥 Estimated audience size
7.0M
Lifetime downloads (US-equivalent)
Monthly active
480K
Daily active
96K
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
| 📲Books & Reference engagement | ~110 installs / rating |
| 📅7.1y of rating accumulation | -30% |
| 🔁Books & Reference D30 retention | 10% |
| 📍DAU / MAU stickiness | 0.20 |
DAU / MAU20% 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 | Books & Reference |
| 📦Compact Android bundle | → Native Kotlin |
💀 Maintenance status
Likely abandoned
72%
Last shipped 2024-09-18 · 614 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
| 📅1y 8mo since last update | Likely deprioritized |
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)
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 peersGrowth Velocity
5.0
Founder Strength
4.3
Product Quality
9.0
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
3.8
Market Position
0.0
Operational Safety
7.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.5★ across 90,569 reviews — exceptional (top 1% in category).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 608d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (608d 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 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (90,569 ratings)METRIC | +$5,500 | |
| Excellent rating (4.5★)METRIC | +$2,200 | |
| Established app (7y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 |
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 →🔖 v5.2.4🔄 updated 1y ago📂 Books & Reference💰 Free📺 Ad-supported🚀 Launched 2019 (7y old)
📝 About this app
<b>Experience free books and audiobooks like never before with our app, your portal to audible stories Dive into the Ultimate Free Reading Apps Experience: Free Books and Audiobooks Awaiting Your Discovery!</b>
Unlock the door to endless literary adventures with our app, the definitive choice for those who love to listen to books free and immerse themselves in captivating stories and insightful knowledge. Whether you're on the go or cozy at home, our free ebook downloader feature ensures your favorite books are always with you.
<b>Why Choose Our App?</b>
<b>Extensive Library</b>… View full description on the official store →
Unlock the door to endless literary adventures with our app, the definitive choice for those who love to listen to books free and immerse themselves in captivating stories and insightful knowledge. Whether you're on the go or cozy at home, our free ebook downloader feature ensures your favorite books are always with you.
<b>Why Choose Our App?</b>
<b>Extensive Library</b>… View full description on the official store →
🔔
Track this app’s revenue
FREEGet an email when revenue moves by your threshold. No spam, unsubscribe in one click.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- AmazingBooks Books Audiobooks
- Developer
- Books & Audiobooks Studio
- Bundle ID
- com.ebooksstudio.free.books
- App Store URL
- Open in App Store
- Category
- Books & Reference
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- booksforfreeapp.blogspot.com
- Tagline
- Not found
- Description
- Not found
- 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
- $2.1K/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.
📈Ratings growth90,569 ratings+36% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (36 weeks) · model-based, ±5% noise · anchored to release date and current value
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.
Full revenue analysis
Read the article-style breakdown for AmazingBooks Books Audiobooks: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why high confidence: 90,569 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does AmazingBooks Books Audiobooks make per month?▴
Based on our ML-calibrated revenue forecast, AmazingBooks Books Audiobooks earns approximately $2.1K/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 AmazingBooks Books Audiobooks profitable?▴
With estimated build cost $115K and monthly revenue $2.1K, AmazingBooks Books Audiobooks looks slow ROI — payback period is around 4.6 years at the current run-rate. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does AmazingBooks Books Audiobooks have?▴
Estimated audience: ~7.0M lifetime downloads, ~480K monthly active users, and ~96K 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 AmazingBooks Books Audiobooks?▴
Browse the full Books & Reference 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 AmazingBooks Books Audiobooks built with?▴
Our heuristic places AmazingBooks Books Audiobooks 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 AmazingBooks Books Audiobooks still actively maintained?▴
Maintenance status: Likely abandoned (72% abandonment risk). Last shipped version was 1+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would AmazingBooks Books Audiobooks sell for?▴
Estimated acquisition value: $40K (marketplace range $30K – $50K). Calculated as 19× 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 AmazingBooks Books Audiobooks last updated?▴
AmazingBooks Books Audiobooks last shipped a new version on 2024-09-18 — more than 1 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes AmazingBooks Books Audiobooks?▴
AmazingBooks Books Audiobooks is published by Books & Audiobooks Studio 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 AmazingBooks Books Audiobooks's BU Score?▴
AmazingBooks Books Audiobooks has a BU Score of 75/100 (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.