Comparison

CatalogBooks vs BookLog

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

CatalogBooks

Features
Read full description

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.

About

BookLog

Features
Read full description

Have you ever wondered when youโ€™ve 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 youโ€™ve 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 youโ€™ve 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

CatalogBooks3 screens
BookLog4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. BookLog sells 1 one-off in-app purchase. CatalogBooks asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard2 real differences ยท 4 level
CatalogBooks versus BookLog: the parameters behind the verdict, then further details
ParameterCatalogBooksBookLog
PriceFreeFree
Update frequencyEvery 13 monthsEvery 4 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS15.015.0
Further details โ€” not scored
Size4 MB3 MB
Age rating4+4+
DeveloperAntonio SolloOtto Kiefer

In-app purchases

None

CatalogBooks

No in-app purchases

1 purchases

BookLog

One-time1
  • Full Version$4.99

Questions

Is CatalogBooks free?
CatalogBooks is free to download, with no in-app purchases.
Is BookLog free?
BookLog is free to download, with in-app purchases available.
Do CatalogBooks or BookLog have ads?
Neither CatalogBooks nor BookLog shows ads.
Which is updated more often, CatalogBooks or BookLog?
CatalogBooks ships an update every 13 months, and BookLog every 4 days. Most recently, CatalogBooks was updated on October 7, 2026 and BookLog on October 19, 2026.

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