BookBub vs Adopt a Book
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
Adopt a Book
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This app enables you to: * Manage your book inventory * Scan books with ISBN * Add book reviews * Follow friends and get recommendations * Share (lend, giveaway, sell) and request books * Track your lent books * Start conversations with people regarding books * View Best Seller books
Screenshots
Verdict
The clearest difference is ads: BookBub at none against Adopt a Book's shown. BookBub also leads on chart position (#84 vs unranked). Adopt a Book's advantage is iOS requirement (15.5 vs 26.0). On price, update cadence, in-app purchases and device support 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 ships an update every 3 weeks, Adopt a Book every 2 weeks. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.
| Parameter | BookBub | Adopt a Book |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (960 ratings) — better | — |
| Positive reviews | 54.4% of reviews | — |
| Number of ratings | 960 — better | — |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Best chart rank | #84 — better | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 26.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 4 MB | 101 MB |
| Age rating | 17+ | 17+ |
| Developer | Pubmark Inc. | Praneeth Peiris |
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
Adopt a Book
Not enough reviews yet to summarise bugs or requests.
In-app purchases
BookBub
No in-app purchases
Adopt a Book
No in-app purchases
