eBook Search - download books
73
Quality Score
Strong
eBook Search - download books
Medium confidence
✍️ bumetric analysis
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eBook Search - download books is an iOS app from Inkstone Software, Inc. in the Food & Drink category, currently rated 4.5★ across 3,450 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 73: 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
$55K
↳ What it cost to build · not monthly revenue
Likely range $40K – $75K
$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 |
| ⚙ Food & Drink complexity ×1.10 | +$5K |
Total estimate
$55K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$450K
↳ What it would sell for · not monthly revenue
Marketplace range $325K – $600K · 16× MRR multiple
💸
~8.2× 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 ≥ 4.4 (solid) | +8% |
Final multiple
16× MRR
👥 Estimated audience size
345K
Lifetime downloads (US-equivalent)
Monthly active
48K
Daily active
9.6K
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 · 50/100MID TIERunderperforming peersRevenue Strength
3.7
Product Quality
8.2
Market Position
0.0
Growth Velocity
5.0
Defensibility
7.5
Operational Safety
7.0
Founder Strength
7.5
Monetization Maturity
1.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.53★ across 3,450 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 849d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (849d 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. Portfolio play ($109K/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 rating (4.5★)METRIC | +$2,200 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Low install base (3,450 ratings)METRIC | +$1,500 | |
| Mature app (14y old)METRIC | +$1,500 | |
| Multilingual (17 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| 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.
🆕 What's New · v3.15
Support for iOS 17 and bug fixes.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- eBook Search - download books
- Developer
- Inkstone Software, Inc.
- Bundle ID
- com.inkstonesoftware.ebooksearch
- App Store URL
- Open in App Store
- Category
- Food & Drink
- Content rating
- 12+
- Languages
- DA, NL, EN, FI, FR, DE, EL, IT, JA, KO, NB, PT, RU, ZH, ES, SV, ZH
Company
- Website
- Not found
- Tagline
- eBook Search
- Description
- 8+ Million Free Books for iPhone and iPad
- 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 growth3,450 ratings+679% lifetimeShow 3-year history estimate ▾
Tracked (58 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.
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
It’s Google meets a top secret, modern card catalogue for eBooks!
The best part? You don't even need a library card to access.
2 MILLION+ FREE BOOKS AND COUNTING
Classics. Thrillers. Mysteries. Fantasies. Science Fiction. And more. You name it, we've got it.
INSTANT DOWNLOAD TO KINDLE, NOOK, iBOOKS OR MEGAREADER
Any title, any device. The world's best books are public domain, and now you can access them from everywhere. The app searches, you choose, and then you tell it where you want it delivered. Voila!
MODERN TITLES. ALL GENRES. ZERO REGRETS. SEVERAL FOR FREE.
On the train.… View full description on the official store →
The best part? You don't even need a library card to access.
2 MILLION+ FREE BOOKS AND COUNTING
Classics. Thrillers. Mysteries. Fantasies. Science Fiction. And more. You name it, we've got it.
INSTANT DOWNLOAD TO KINDLE, NOOK, iBOOKS OR MEGAREADER
Any title, any device. The world's best books are public domain, and now you can access them from everywhere. The app searches, you choose, and then you tell it where you want it delivered. Voila!
MODERN TITLES. ALL GENRES. ZERO REGRETS. SEVERAL FOR FREE.
On the train.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 26 MB🔞 12+📱 iOS 15.0+🔖 v3.15🔄 updated 0d ago🌐 DA, NL, EN, FI, FR +12📂 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
🔄
Monetization changed: freemium → free
2026-03
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
2026-02
📈
Crossed 500 ratings — social-proof flywheel kicking in
2017-02
📈
Crossed 100 ratings — social-proof flywheel kicking in
2016-10
📈
Crossed 50 ratings — social-proof flywheel kicking in
2016-07
📈
Crossed 10 ratings — social-proof flywheel kicking in
2016-06
⭐
Rating ↓ 5.00 → 4.67 (dropped 0.33★)
2016-06
🚀
First tracked snapshot — initial data captured
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for eBook Search - download books: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Inkstone Software, Inc.
View all →📦 Portfolio summaryMID studio
8apps·$109K/mocombined
✓ Diversified — top app contributes 25%; risk spread across portfolio
About this analysis
Why medium confidence: 3,450 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does eBook Search - download books make per month?▴
Based on our ML-calibrated revenue forecast, eBook Search - download books 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 eBook Search - download books?▴
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 eBook Search - download books?▴
eBook Search - download books is published by Inkstone Software, Inc. 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 eBook Search - download books's BU Score?▴
eBook Search - download books has a BU Score of 73/100 (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.