CLZ Books - library organizer

Books, Reference

CLZ

Captured August 14, 2023

$20K

Estimated monthly revenue

<1K

Monthly downloads

In-App Purchases

CLZ Books (Pay Monthly)$1.99
CLZ Books (Pay Yearly)$19.99

Released: June 7, 2009
Category: Books, Reference
App Rating: 4.8/5 (2,645 reviews) (opens in a new tab)
Platform / Store: iOS / App Store (opens in a new tab)
Developer: CLZ (opens in a new tab)
Website: clz.com (opens in a new tab)
App Name: CLZ Books - library organizer
Description: Just scan ISBN barcodes
Supported Languages: English
Latest info update: October 13, 2026

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About the app

Cataloging a book collection is the job of CLZ Books, which has been on the App Store since 2009. Pay Monthly costs $1.99 and Pay Yearly $19.99. The Netherlands-based Collectorz.com publishes it in the Books and Reference categories, and estimates show about $20K in monthly revenue against under 1K monthly downloads. A 4.8 rating comes from around 1.6K ratings.