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

October 19, 2016
“The last release has brought what I want in Android: stand alone app that can be synchronized with CLZ Cloud.” — Mustamin al-Mandary
Best app I have found yet
October 17, 2016
“Have scanned in my whole library! I love the bulk scanning feature. This is the only app I have seen with it.” — Joe Nagel
Book app loving it!!!!
October 16, 2016
“I love that this app can keep track of my books.” — Alma E
Learning how
October 12, 2016
“Once I was taught by my daughter how to use, it's fantastic.” — Carleen Gregory
CZL Books
October 12, 2016
“Greatest book collection library as I read many ePubs from the US Air Force Online Library. Keeps me from rereading books I have already read and helps me to select the next book I wish to read. Lot of PLUS PLUS BENEFITS in the program, sorting, logging info, etc.” — Bob Pruess
Endlich eine Überblick über meine Bücher!
October 8, 2016
“Bietet alles was ich brauche um einen Überblick über meine Büchersammlung zu erhalten.” — Anjubon
Great app on all platforms
October 7, 2016
“Now even better with the scanner!” — acass51
Book Collector
October 7, 2016
“Saved me hours on knowing which books I had. Now I can buy the ones I am missing and not the ones I have.” — Sean Morris
Great app
October 7, 2016
“I've been using Collectorz programs for years. They keep getting better. Solid product support and customisation options. Worth every penny.” — Jeff Blackshear
Saves time and money
October 4, 2016
“It's saved me time & money. A worthwhile tool.” — Gary Herriford

Hear from more delighted customers