Catalog your books on iOS or Android
Download a free trial version:

Keep track of your book collection on your phone or tablet

  • Easily add books to your database:
    • scan ISBN barcodes with your device camera
    • or search by author and title.
  • Auto-download author, title, plot, cover art & more.
  • Use the free CLZ Cloud for backups and syncing.

Download your free trial version:

or just open the App Store / Play Store on your device
and search for "CLZ BOOKS"

The free trial is limited to 100 books.
Unlock to unlimited for US $15 (In-App purchase).

Available for iOS and Android

Choose iOS or Android below for more information and lots of screen shots:

CLZ Books for iOS

CLZ Books for Android

Here's what customers have said about CLZ Books

Quite useful
23 August, 2016
“First and foremost, many thanks for the app. I find it quite useful, particularly when I'm shopping and am able to verify via my phone/the app if I already have a particular title in my collection!” — Kim Wall
23 August, 2016
“Perfect for my 3,000+ personal collection!” — A Google user
Tidy app, easy to use
23 August, 2016
“This is a neat app. Easy to use keeping thing updated across my devices. Adding new books is quick by scanning or searching. ” — FunkyDee
Great addition to Book Collector
23 August, 2016
“Carry your book collection in your pocket.” — Robert Bollinger
22 August, 2016
“Just What My Library Needed.” — John Westra
Using it for my classroom
22 August, 2016
“This makes organizing and lending out my books so much easier!” — Rachel LeCure
Great app for book lovers
21 August, 2016
“Have used the desktop version for years and really appreciate having a mobile app. Now have 4500+ books so really need help keeping track and avoiding duplication. Developers are constantly making improvements and are committed to their products.” — Stephanie Burns
Very useful app
20 August, 2016
“This app is just what I needed to keep an inventory of all my books. Very user friendly. Good job!” — Gaythri Madhavann
20 August, 2016
“Everything is wrapped into one application and IT Works!!!” — A Google user
Just what I wanted
19 August, 2016
“This is an easy to use database. Have not explored all the features yet.” — Cynthia Sciacca

Hear from more delighted customers