Adopt a Book vs Shelf Scanner.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Shelf Scanner.
Easily discover the value of books by scanning barcodes or taking photos of entire shelves. Get live pricing data from major online sellers to maximize your profit when selling your books.
- Scan book barcodes for value
- Photo scan entire bookshelves
- Live pricing data
- Sell books for profit
- Source from major online sellers
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Find Valuable Books. That's what Shelf Scanner makes it easy to do, our app can: - Scan book barcodes to find their values - Take a photo of a bookshelf and find the value of each book on the shelf - Provide live pricing data on any book you scan With Shelf Scanner you can easy find what your bookshelf, those old books you have laying around, or books from thrift stores, are worth, and sell them for a profit. Unlike other book scanning apps, we provide live pricing data of what your book is worth, sourced from the largest online book sellers and based on current listing prices. This means you get the most money for your books, quick and easy. Download Shelf Scanner today and start turning books into cash. Terms Of Use can be found at: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.termsfeed.com/live/619c315c-27b8-4e47-9aaf-20bad24d5d6e
Screenshots
Verdict
The clearest difference is in-app purchases: Adopt a Book at none against Shelf Scanner.'s 3. Adopt a Book also leads on update cadence (every 2 weeks vs every 7 months) and iOS requirement (15.5 vs 17.6). Shelf Scanner.'s advantage is ads (none vs shown). On price 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. Shelf Scanner. sells 3 in-app purchases, starting at $4.99 per 7 days. Adopt a Book asks for nothing beyond the download.
Adopt a Book ships an update every 2 weeks, Shelf Scanner. every 7 months. The most recent releases landed on October 11, 2026 and October 21, 2026 respectively.
| Parameter | Adopt a Book | Shelf Scanner. |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (263 ratings) — better |
| Positive reviews | — | 9.1% of reviews |
| Number of ratings | — | 263 — better |
| Update frequency | Every 2 weeks — better | Every 7 months |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.5 — better | 17.6 |
| Further details — not scored | ||
| Size | 101 MB | 45 MB |
| Age rating | 17+ | 4+ |
| Developer | Praneeth Peiris | Gabe Rogers |
In-app purchases
Adopt a Book
No in-app purchases
Shelf Scanner.
- Weekly Pro$4.997 Days
- Monthly Pro$15.991 Month
- Annual Pro7 Days trial$48.991 Year
