BookBub vs Boundless
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BookBub
Discover daily deals on bestselling and free ebooks across all genres. Track your wishlist and receive price alerts for your favorite titles, ensuring you never miss a sale on books you want to read.
- Daily ebook deals
- Hundreds of free ebooks
- Personalized recommendations
- Wishlist tracking
- Price alerts
- Genre and price filtering
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Discover amazing deals on bestselling ebooks, plus hundreds of free ebooks. Track your wishlist and get alerts when your most wanted titles go on sale. BookBub helps millions of readers save money on ebooks they'll love. Our expert editors hand pick incredible ebook deals every day across all major genres — romance, mystery, thrillers, women's fiction, fantasy, contemporary fiction, nonfiction, and many more — from bestselling authors to hidden gems. WHY READERS LOVE BOOKBUB: THE BIGGEST EBOOKS, UP TO 95% OFF We feature limited-time ebook deals from all major retailers. Get huge savings on the biggest books and authors, including #1 New York Times bestsellers. HUNDREDS OF FREE EBOOKS Unlock a vast selection of free ebooks across 40+ genres, with new titles added each day YOUR PERSONAL BOOK TRACKER Build your reading wishlist and never miss a sale. Add any book you want to read, and we'll notify you when it's discounted. Track your TBR (to-be-read) list, sort by release date or author, and mark it as read when you're done. PERSONALIZED TO YOUR READING TASTE Our editorial team hand picks from thousands of ebooks to bring you only the best — from BookTok favorites to award-winning fiction. FEATURES: - Browse daily ebook deals personalized to your reading preferences - Track unlimited books on your wishlist - Get price alerts for specific titles or favorite authors - Discover popular titles to add to your list - Filter deals by genre and price - Buy from your favorite ebook store "When we say 'deal,' we mean it — many of BookBub's titles are free entirely, $0.99, or just a couple of bucks." — Lifehacker "Bargain-basement deals on ebooks." — The New York Times Join millions of happy readers saving money on ebooks every day. Questions? Visit bookbub.com/apphelp
Boundless
Access a vast collection of ebooks, digital audiobooks, and videobooks from your local library or school. Enjoy a seamless reading, listening, and watching experience with personalized recommendations and engaging reading programs.
- Discover ebooks, audiobooks, and videobooks
- Read, listen, and watch in one app
- Personalized recommendations
- Join library reading programs
- Track reading progress and earn badges
- Customizable reading experience
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Boundless by Baker & Taylor gives users the ability to discover and enjoy ebooks, digital audiobooks, video and videobooks from their library or school on mobile devices. • Read, listen, and watch all in one app • Supports eRead-Along and videobook content • Recommendations based on your interests • Join reading programs and challenges from your library • See your progress and earn badges for reading achievements • Notetaking, bookmarking, page layout and font controls Boundless is a digital content service from Baker & Taylor, the premier distributor of books and entertainment products to libraries. Boundless Library is a service from Baker & Taylor, the premier distributor of books and entertainment products.
Screenshots
Verdict
The clearest difference is review sentiment: BookBub at 54% against Boundless's 32%. BookBub also leads on rating (4.7 vs 4.4) and chart position (#50 vs unranked). Boundless's advantage is ratings volume (18K vs 959) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BookBub holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Boundless has 18K ratings behind it against 959, so its average is the more settled of the two. Written reviews point the same way: 54% of BookBub's written reviews are positive against 32% of Boundless's.
BookBub ships an update every 3 weeks, Boundless monthly. The most recent releases landed on September 26, 2026 and September 25, 2026 respectively.
| Parameter | BookBub | Boundless |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (959 ratings) — better | 4.4 (18K ratings) |
| Positive reviews | 54.2% of reviews — better | 32.4% of reviews |
| Number of ratings | 959 | 18K — better |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Best chart rank | #50 — better | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 4 MB | 177 MB |
| Age rating | 17+ | 4+ |
| Developer | Pubmark Inc. | Baker & Taylor |
Customer experience
BookBub
Boundless
User reviews
BookBub
From 959 App Store ratingsWhat we love
- 🤩 Great deals on books
- 📚 Variety of genres and authors
- 💰 Affordable and free books
- 🔍 Personalized recommendations
Room to improve
- 🔒 Limited to Apple Books only
- 🔍 Lack of search functionality
- 📝 Inability to leave reviews
- 🔁 Repeated email subscriptions
Boundless
From 18K App Store ratingsWhat we love
- 🚀 Fast access to books
- 👍 Intuitive and easy to navigate
- 🔒 Separate profiles for kids and adults
- 🎨 Customizable reading experience
- 📚 Wide selection of content
Room to improve
- 🐛 Frequent freezing and crashes
- ⏱️ Slow loading times
- 🔍 Difficulty finding and accessing books
- 📱 Incompatible with some devices
- 🔌 Requires internet connection for offline use
Bugs and requests
BookBub
Reported bugs
3 issues- App crashes or freezes during use
- Sign-up and login issues
- Incompatibility with certain devices or operating systems
Requested features
4 requests- Add support for Kindle and other ebook platforms
- Implement search and filtering options
- Allow users to manage their reading lists and leave reviews
- Improve email subscription management
Boundless
Reported bugs
4 issues- Books disappearing from user's shelf
- Inability to return or renew books
- Inconsistent behavior when switching between profiles
- Audiobook playback issues
Requested features
5 requests- Improved page turning and navigation controls
- Ability to adjust margins and font settings
- Offline access to downloaded content
- Better integration with other reading apps
- More detailed progress tracking and analytics
In-app purchases
BookBub
No in-app purchases
Boundless
No in-app purchases
