BookBuddy: Bibliothek & Bücher
79
Quality Score
Strong
✍️ bumetric analysis
“
BookBuddy: Bibliothek & Bücher is an iOS app from Kimico, Ltd. in the Food & Drink category, currently rated 4.8★ across 13,903 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 79: 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
$2.2M
per month
→
12-mo forecast
$2.3M – $3.6M
per month
→
24-mo forecast
$2.8M – $5.2M
per month
BIG 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 · 17× 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 ≥ 4.7 (premium) | +15% |
Final multiple
17× MRR
👥 Estimated audience size
1.4M
Lifetime downloads (US-equivalent)
Monthly active
185K
Daily active
37K
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
$2.2M/mo · ML-estimated from 234 triggers
Growth rate
+2.5% MoM · BIG tier baseline (compound monthly)
6 months
$2.2M – $2.9M
12 months
$2.3M – $3.6M
24 months
$2.8M – $5.2M
Compound growth at +2.5% MoM (tier baseline for BIG). Range widens with horizon — typical noise band ±15% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Mixed signals · 58/100BIG TIERcompetitive but cautiousGrowth Velocity
5.0
Founder Strength
6.6
Product Quality
9.7
Revenue Strength
6.3
Monetization Maturity
1.0
Defensibility
6.0
Market Position
2.0
Operational Safety
10.0
- 💰 Revenue: Healthy — $880K - $4840K/mo · BIG tier · medium-low confidence, trajectory unclear.
- ⭐ Quality: 4.84★ across 13,903 reviews — exceptional (top 1% in category).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Low — 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 = $39.6M-$70.4M.
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 14 of 14 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (13,903 ratings)METRIC | +$5,500 | |
| Paid app ($0.00)METRIC | +$2,800 | |
| subscriptionREVIEW | +$2,500 | |
| Excellent rating (4.8★)METRIC | +$2,200 | |
| worth every pennyREVIEW | +$2,000 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (15y old)METRIC | +$1,500 | |
| Multilingual (10 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| too expensiveREVIEW | −$1,000 | |
| priceyREVIEW | −$800 |
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 · v10.2.0
Bug fixes and stability improvements
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- BookBuddy: Bibliothek & Bücher
- Developer
- Kimico, Ltd.
- Bundle ID
- com.kimicoapps.BookBuddy-Lite
- App Store URL
- Open in App Store
- Category
- Food & Drink
- Content rating
- 4+
- Languages
- EN, FR, DE, IT, JA, PT, RU, ZH, ES, ZH
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
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $25.5K/mo
- Top-grossing rank
- 🇩🇪#77 /100 🇧🇷#80 /100 🇫🇷#85 /100 🇬🇧#94 /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
Contacts & Socials data not yet collected for this app.
📈Ratings growth13,903 ratings+23% lifetimeShow 3-year history estimate ▾
Tracked (51 weeks) Pre-tracking estimate (35 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Top Countries — Grossing Rank4 countries
🇩🇪DE#77 /100
🇧🇷BR#80 /100
🇫🇷FR#85 /100
🇬🇧GB#94 /100
📊Category Rank Trajectory#77 now · best #71 · worst #100
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
🚀Update Frequency · Releases per Quarter3 releases tracked
🚀Version Release Timeline3 releases tracked
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
BookBuddy is a powerful book management app that gives you access to your entire book catalog, anywhere. Using BookBuddy is fun and easy, allowing you to quickly find any book in your library, share your favorite books, and keep track of borrowed and lent books.
FREE VERSION
- BookBuddy has all the features of BookBuddy Pro with a 50 book limit.
- BookBuddy can be upgraded via In-App Purchase for unlimited book storage.
KEY FEATURES
• Adding Your Books
Add your books using the following options:
- Scan barcode (via iPhone camera or Bluetooth handheld scanner)
- Enter ISBN… View full description on the official store →
FREE VERSION
- BookBuddy has all the features of BookBuddy Pro with a 50 book limit.
- BookBuddy can be upgraded via In-App Purchase for unlimited book storage.
KEY FEATURES
• Adding Your Books
Add your books using the following options:
- Scan barcode (via iPhone camera or Bluetooth handheld scanner)
- Enter ISBN… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 30 MB🔞 4+📱 iOS 18.0+🔖 v10.2.0🔄 updated 0d ago🌐 EN, FR, DE, IT, JA +5📂 Food & Drink💰 Paid
📅
What Worked™ · Development Pipeline
15 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 →
2026-07
🔧
Shipped update — v10.1.3 → v10.2.0
→ 30 days after: revenue +$14.3K/mo · reviews +319 high confidence
2026-05
🔧
Shipped update — v10.0.7 → v10.1.3
→ 30 days after: reviews +277 high confidence
2026-05
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +277 high confidence
2026-05
⭐
Rating ↑ 4.22 → 4.84 (improved 0.62★)
→ 30 days after: reviews +277 high confidence
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$88/mo medium · co-occurring
2026-03
⭐
Rating ↑ 4.22 → 4.70 (improved 0.48★)
→ 30 days after: revenue +$88/mo medium · co-occurring
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$88/mo medium · co-occurring
2020-01
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$153/mo · reviews +7 medium · co-occurring
2020-01
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$314/mo · reviews +14 medium · co-occurring
2018-10
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$87/mo high confidence
2017-07
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.05★ high confidence
2017-07
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: revenue +$87/mo · rating −0.25★ high confidence
2017-07
⭐
Rating ↓ 4.78 → 4.40 (dropped 0.38★)
→ 30 days after: revenue +$87/mo · rating −0.25★ high confidence
2017-05
⭐
Rating ↓ 5.00 → 4.50 (dropped 0.50★)
→ 30 days after: revenue +$160/mo · rating −0.25★ · reviews +7 medium · co-occurring
2017-04
🚀
First tracked snapshot — initial data captured
→ 30 days after: revenue +$92/mo · rating −0.20★ high confidence
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.79228★ | 1,295 | 4.79228★ this version |
| 🇧🇷 BR | 4.7425★ | 800 | 4.7425★ this version |
| 🇨🇦 CA | 4.81074★ | 2,515 | 4.81074★ this version |
| 🇩🇪 DE | 4.72494★ | 3,901 | 4.72494★ this version |
| 🇫🇷 FR | 4.71716★ | 2,588 | 4.71716★ this version |
| 🇬🇧 GB | 4.80652★ | 1,473 | 4.80652★ this version |
| 🇮🇳 IN | 4.8209★ | 134 | 4.8209★ this version |
| 🇯🇵 JP | 4.44766★ | 172 | 4.44766★ this version |
| 🇺🇸 US | 4.84174★ | 14,615 | 4.84174★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for BookBuddy: Bibliothek & Bücher: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Kimico, Ltd.
View all →📦 Portfolio summaryINDIE studio
5apps·$77K/mocombined
Lead-app heavy — top app contributes 58%
About this analysis
Why high confidence: 13,903 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does BookBuddy make per month?▴
Based on our ML-calibrated revenue forecast, BookBuddy earns approximately $25K/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 BookBuddy?▴
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 BookBuddy?▴
BookBuddy is published by Kimico, 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 BookBuddy's BU Score?▴
BookBuddy has a BU Score of 79/100 (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.