CatalogBooks vs BookLog
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
CatalogBooks
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This app allows you to catalog your books with extensive descriptions regarding the data of each book (title, subtitle, publisher, date of purchase, purchase cost, etc.), the location in your library, the status of the book (read, not bed). Also you can register if loaned.
BookLog
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Have you ever wondered when youโve read a particular book? Would you like to keep track of the books you read and get an interesting insight into your very own reading history over time? BookLog is the right App for this purpose. Not only can you store books youโve read and those you are currently reading, but you can also maintain a wishlist of books you intend to read in the future. No complicated procedure to fill in a dozen fields or look up book covers - just enter a book title, an author (or select an existing one), select the book type, and save. If you like, you can specify further details. BookLog supports: - Publication Year - Series - Different Status (Wishlist, Pending, Soon, Next, Reading, Finished) - Rating - Notes - Saving multiple reads of a book - Show absolute or relative dates The data youโve stored is saved in iCloud and will be synchronized across all your devices. The free version lets you save up to 10 books. By purchasing the full version, there won't be any restrictions, ads, subscriptions or any further In-App purchases.
Screenshots
Verdict
The clearest difference is in-app purchases: CatalogBooks at none against BookLog's 1. BookLog's advantage is update cadence (every 4 days vs every 13 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. BookLog sells 1 one-off in-app purchase. CatalogBooks asks for nothing beyond the download.
CatalogBooks ships an update every 13 months, BookLog every 4 days. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.
| Parameter | CatalogBooks | BookLog |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 13 months | Every 4 days โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 15.0 | 15.0 |
| Further details โ not scored | ||
| Size | 4 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Antonio Sollo | Otto Kiefer |
In-app purchases
CatalogBooks
No in-app purchases
BookLog
- Full Version$4.99








