
76
BU Score
Strong
Bookshelf
✍️ BU Analytics Review
“
Bookshelf is an iOS app from VitalSource Technologies, Inc. in the Education category, currently rated 4.7★ across 77,524 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.
Our BU Score puts it at 76 — Strong (healthy traction). For a Education app, that means healthy traction.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
creator
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
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 12 of 12 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (77,524 ratings)METRIC | +$5,500 | |
| Excellent rating (4.7★)METRIC | +$2,200 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (15y old)METRIC | +$1,500 | |
| Multilingual (32 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| too expensiveREVIEW | −$1,000 | |
| support teamREVIEW | +$900 | |
| 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.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Jun 25
Jul 25
Aug 25
Sep 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26
Apr 26
May 26
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 185 MB🔞 4+📱 iOS 17.6+🔖 v11.3.2🔄 updated 1mo ago🌐 AR, BG, CA, CS, DA +27📂 Education💰 Paid🚀 Launched 2010 (15y old)
📝 About this app
With Bookshelf, you can enjoy a digital-first, comprehensive study experience from the convenience of your iPad or iPhone. Access all of your VitalSource textbooks and study anytime, anywhere.
Bookshelf Features:
• Download books to your iOS device for 100% offline reading.
• Customize highlighters and add notes for a rich study experience.
• Create flashcards with text and images to learn concepts faster.
• Personalize font, font size, and background colors to make reading easier.
• Listen to your books and learn on the go with Read Aloud.
• Sync your current reading position and all your work across devices so you can easily pick up where you left off.
• Built with accessibility in mind.
Requirements:
• VitalSource Bookshelf account
• Access to one or more VitalSource textbooks
• iOS 17+
Bookshelf Features:
• Download books to your iOS device for 100% offline reading.
• Customize highlighters and add notes for a rich study experience.
• Create flashcards with text and images to learn concepts faster.
• Personalize font, font size, and background colors to make reading easier.
• Listen to your books and learn on the go with Read Aloud.
• Sync your current reading position and all your work across devices so you can easily pick up where you left off.
• Built with accessibility in mind.
Requirements:
• VitalSource Bookshelf account
• Access to one or more VitalSource textbooks
• iOS 17+
🆕 What's New · v11.3.2
* MLA, APA, Harvard, and Vancouver citation formats are available
* Updated Explore UI
* Explore content is integrated into the main search results
* Various bug fixes
* Updated Explore UI
* Explore content is integrated into the main search results
* Various bug fixes
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Bookshelf
- Developer
- VitalSource Technologies, Inc.
- Bundle ID
- com.vitalsource.Bookshelf
- App Store URL
- Open in App Store
- Category
- Education
- Content rating
- 4+
- Languages
- AR, BG, CA, CS, DA, NL, EN, FI, FR, DE, EL, HE, HI, HU, IS, GA, IT, JA, KO, NB, PL, PT, RO, RU, ZH, ES, SV, TH, ZH, TR, VI, CY
Company
- Website
- Not found
- 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
- $9.4K/mo
- Top-grossing rank
- Outside top 100 in US Education
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
✨AI Revenue EstimateCONFIDENCE: LOW
Specific revenue for the 'Bookshelf' iOS app by VitalSource Technologies, Inc. is not publicly available. VitalSource's business model primarily involves partnerships with educational institutions and publishers to deliver digital course materials, often through institutional licenses or 'Inclusive Access' programs, rather than direct in-app purchases or subscriptions for the iOS app itself. Estimates for VitalSource Technologies, Inc.'s overall annual revenue vary significantly across sources, ranging from $15.2 million to $74 million, $269 million, and even between $250 million and $500 million.
Sources mentioned: Growjo, Owler, Bitscale, ECDB, LeadIQ, VitalSource Success
⭐Recent App Store Reviews49 latest · avg 2.16★ · 16.3% 5★ · 51.0% 1★
5★8 (16%)
4★0 (0%)
3★9 (18%)
2★7 (14%)
1★25 (51%)
+86 ratings/week
Praise: love ×5 great ×5 best ×2Complaints: terrible ×7 bug ×2 hate ×2 broken ×2 crash ×1
Top positive
★★★★★ The Hard Facts
This app is very helpful. It makes reading more enjoyable and efficient to get thru the material. I love the ability to copy and paste sections and the ability to take notes…
★★★★★ Book
It fine…
Top negative
★☆☆☆☆ Terrible AI voice
What’s the point of me paying for these books if your AI voice is so terrible that we can’t understand it?…
★☆☆☆☆ Bad
Developers should read a book in Apple Books, then read a book here and ask themselves if they’re happy with what they’ve made. I’m certainly not - the UX is trash.…
📈Ratings growth77,524 ratings+16% lifetimeShow 3-year history estimate ▾
Tracked (44 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.
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.
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