My Book List - Library Manager
53
Quality Score
Solid
My Book List - Library Manager
Medium confidence
✍️ bumetric analysis
“
My Book List - Library Manager is an iOS app from BigBalli Consulting llc in the Shopping category, currently rated 3.4★ across 590 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 53: Solid (established niche player). For a Shopping app, that means established niche player. 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
$5.3K
per month
→
12-mo forecast
$5.5K – $11.6K
per month
→
24-mo forecast
$6.8K – $20.5K
per month
MID tierSUBSCRIPTION
💡 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
$65K
↳ What it cost to build · not monthly revenue
Likely range $50K – $90K
$25K · MVP floor$100K · indie scale$500K+ · studio build
📈Pays back in ~12 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 |
| ⚙Shopping complexity ×1.30 | +$15K |
Total estimate$65K
ONE-TIME · EXIT VALUE💵 Estimated acquisition value
$50K
↳ What it would sell for · not monthly revenue
Marketplace range $45K – $75K · 12× MRR multiple
💸~0.8× 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 |
| ⭐★ rating < 3.5 (weak) | -18% |
| 🏷Shopping category multiple | +2% |
| ⭐Small user base (<1K ratings) | -8% |
Final multiple12× MRR
👥 Estimated audience size
59K
Lifetime downloads (US-equivalent)
Monthly active
7.0K
Daily active
1.2K
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
| 📲Shopping engagement | ~100 installs / rating |
| 🔁Shopping D30 retention | 12% |
| 📍DAU / MAU stickiness | 0.18 |
DAU / MAU17% sticky
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.3K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
Direction
Tailwinds: monetization model proven
Headwinds: review-mined risks present
6 months
$5.1K – $8.4K
12 months
$5.5K – $11.6K
24 months
$6.8K – $20.5K
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 · 48/100MID TIERSUBSCRIPTIONunderperforming peersGrowth Velocity
5.0
Founder Strength
3.0
Product Quality
4.3
Revenue Strength
3.7
Monetization Maturity
9.5
Defensibility
7.0
Market Position
2.0
Operational Safety
3.9
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.4★ across 590 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: dev shipping weekly.
- ⚠️ Risk: High — scam/fraud mentions detected.
🎯 For competitors: Vulnerable. Quality drift + slow updates create a clear opening for a fresh competitor with active dev cadence.
💵 For acquirers: Estimated asking range 12-22× monthly = $63K-$117K. Discount applied for operational risk..
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 13 of 13 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 | |
| frequent crashesREVIEW | −$2,000 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Below-average rating (3.4★)METRIC | −$1,500 | |
| Mature app (14y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| too expensiveREVIEW | −$1,000 | |
| priceyREVIEW | −$800 | |
| Early-stage install base (590 ratings)METRIC | +$400 | |
| Single-language (English only)METRIC | −$400 |
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 · v18.3
New Features
- Add Friend by Username
- Import your Kindle ebooks
- Join Club by Invite Link
- Sync preferences across devices
Improved & Fixed
- Redesigned the upgrade screen into a single, clearer Premium plan with upfront pricing details.… Full release notes →
- Add Friend by Username
- Import your Kindle ebooks
- Join Club by Invite Link
- Sync preferences across devices
Improved & Fixed
- Redesigned the upgrade screen into a single, clearer Premium plan with upfront pricing details.… Full release notes →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- My Book List - Library Manager
- Developer
- BigBalli Consulting llc
- Bundle ID
- Not found
- App Store URL
- Open in App Store
- Category
- Shopping
- Content rating
- 4+
- Languages
- EN
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
- $10.0K ($8.0K – $12.0K)AI medium
- AI annual estimate
- $120.0K/yr
- ML model estimate / mo
- $5.3K/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.
✨AI Revenue EstimateCONFIDENCE: MEDIUM
The iOS app "My Book List - Library Manager" by BigBalli Consulting llc is estimated to generate approximately $10,000 in monthly revenue, with an annual estimate of $120,000. This estimate is based on recent data indicating less than 5,000 downloads per month.
Sources mentioned: Adapty, App Store
⭐Recent App Store Reviews49 latest · avg 3.18★ · 32.7% 5★ · 26.5% 1★
5★16 (33%)
4★7 (14%)
3★9 (18%)
2★4 (8%)
1★13 (27%)
+0 ratings/week
Praise: great ×13 love ×11 recommend ×2 perfect ×2 awesome ×1Complaints: subscription ×3 scam ×2 bug ×2 hate ×1 expensive ×1
Top positive
★★★★★ Rearrange
I wish there was a way to drag your books and rearrange them.…
★★★★★ Great teacher find
Great teacher find to help keep titles organized!…
Top negative
★☆☆☆☆ The update was horrible
I have had an account for 2-3 years. 1400+ books added to the app. I get a new book and tried to scan it in the app and it said that I have to pay for a subscription or use coins. That’s just a money scheme. There are free apps that have th…
★☆☆☆☆ Could be better
You can only scan so many before you have to get tokens. You can still add manually, but I have so many books that it’s just not practical. you also can’t put in information like how many chapters there are.…
📈Ratings growth590 ratings+31% lifetimeShow 3-year history estimate ▾
Tracked (58 weeks) Pre-tracking estimate (35 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.
🚀Version Release Timeline5 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
Catalog your entire home library in an afternoon. Snap a photo of any shelf
and the AI adds every title. No typing, no spreadsheets, no scattered notes.
Trusted by 600+ readers and rated 4.1 stars on the App Store since 2011.
• Catalog a 200-book shelf in five minutes. Point your camera. AI reads the
spines and adds the books.
• Add a single book in seconds by scanning the barcode on the back cover.
• Bring your Kindle library across in one tap. No CSV juggling.
• Find anything in plain English.… View full description on the official store →
and the AI adds every title. No typing, no spreadsheets, no scattered notes.
Trusted by 600+ readers and rated 4.1 stars on the App Store since 2011.
• Catalog a 200-book shelf in five minutes. Point your camera. AI reads the
spines and adds the books.
• Add a single book in seconds by scanning the barcode on the back cover.
• Bring your Kindle library across in one tap. No CSV juggling.
• Find anything in plain English.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 29 MB🔞 4+📱 iOS 17.0+🔖 v18.3🔄 updated 0d ago🌐 EN📂 Shopping💰 Free
📅
What Worked™ · Development Pipeline
11 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
⭐
Rating ↑ 3.30 → 4.10 (improved 0.80★)
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
2014-03
📈
Crossed 100 ratings — social-proof flywheel kicking in
2013-10
📈
Crossed 50 ratings — social-proof flywheel kicking in
2013-06
📈
Crossed 10 ratings — social-proof flywheel kicking in
2013-05
⭐
Rating ↓ 3.83 → 3.43 (dropped 0.40★)
2013-05
⭐
Rating ↑ 3.25 → 3.60 (improved 0.35★)
2013-05
⭐
Rating ↓ 4.00 → 3.25 (dropped 0.75★)
2013-05
⭐
Rating ↑ 3.50 → 4.00 (improved 0.50★)
2013-05
🚀
First tracked snapshot — initial data captured
2013-05
⭐
Rating ↑ 3.00 → 3.50 (improved 0.50★)
🗣
Voice of Customer
Based on 714 reviews across 9 markets● 66% positive · ● 10% neutral · ● 23% negative · Rating drift: -0.26★ (declining — recent 50: 3.14★ vs lifetime: 3.4★)
VADER compound sentiment per quarter (−1 = fully negative, +1 = fully positive). Each point ≥ 5 reviews.
Sentiment by country (−1 to +1)
🇮🇳 IN
+0.45
🇺🇸 US
+0.42
🇬🇧 GB
+0.39
🇦🇺 AU
+0.37
🇨🇦 CA
+0.28
🇧🇷 BR
+0.14
🇫🇷 FR
+0.10
🇩🇪 DE
-0.33
🇯🇵 JP
-0.37
Top praise themes
books read ×41 track books ×35 keep track ×34 barcode scanner ×14 add books ×12 being able ×12 keeping track ×11 bar code ×10
Top complaint themes
waste money ×20 barcode scanner ×14 bar code ×12 pop ups ×11 add ons ×10 books read ×9 scan books ×7 rip off ×7
Risk signals
Refund mentions: 1.0% Fraud / scam mentions: 2.4%
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.32558★ | 43 | 4.32558★ this version |
| 🇧🇷 BR | 4.3125★ | 16 | 4.3125★ this version |
| 🇨🇦 CA | 3.86765★ | 68 | 3.86765★ this version |
| 🇩🇪 DE | 3.35714★ | 42 | 3.35714★ this version |
| 🇫🇷 FR | 3.34783★ | 23 | 3.34783★ this version |
| 🇬🇧 GB | 3.95★ | 100 | 3.95★ this version |
| 🇮🇳 IN | 3.8125★ | 16 | 3.8125★ this version |
| 🇯🇵 JP | 1★ | 1 | 1★ this version |
| 🇺🇸 US | 4.10662★ | 619 | 4.10662★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for My Book List - Library Manager: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why medium confidence: 590 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does My Book List - Library Manager make per month?▴
Based on our ML-calibrated revenue forecast, My Book List - Library Manager earns approximately $5.3K/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 My Book List - Library Manager?▴
Browse the full Shopping 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 My Book List - Library Manager?▴
My Book List - Library Manager is published by BigBalli Consulting llc 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 My Book List - Library Manager's BU Score?▴
My Book List - Library Manager has a BU Score of 53/100 (Solid). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.