Book Database Software
Catalog your book collection
Keep track of your book collection and wish listUse the mobile app or the web-based software (or both!)
Automatic book details and cover imagesJust search our huge online book database by ISBN
Over 40 million ISBNs recognizedGuaranteed 97% success rate on your ISBN searches!
CLZ Books
Mobile
Mobile app for your phone or tablet
iOS & Android
iOS & Android
USD $19.95
per year
More about the mobile app
CLZ Books
Web
Web-based software for your computer
Windows & macOS
Windows & macOS
USD $39.95
per year
More about the web app
CLZ Books
Mobile + Web
CLZ Books Mobile
1 year
CLZ Books Web
1 year
USD $59.90
USD $49.90
save USD $10.00
Or... use them both,
as perfect companions!
Both CLZ Books Mobile and CLZ Books Web can be used on their own, as a stand-alone solution. But these tools really come to life when used together, as they are great companions. While away from your computer use CLZ Books Mobile on your phone, then use CLZ Books Web at home, to work on your database on a big screen, with a real keyboard. Of course, you can sync your database between them through our CLZ Cloud solution.
Latest software updates
May 23, 2025
CLZ Books
Have used CLZ books for years. Windows 7,10,11 and iPhone/iPad. Excellent App. Essential as a means of keeping a book collection.
Only one thing better than the App. Found minor problem. Reported it. Immediate and effective response. They fixed it. Brilliant
Only one thing better than the App. Found minor problem. Reported it. Immediate and effective response. They fixed it. Brilliant
Reviews from customers
May 31, 2025
Great investment
This app is a great investment. Keeps my library cataloged beautifuly.
May 25, 2025
A pleasure to document a library!
The clz team is so thoughtful and helpful, if you have any questions they are available! I have quite a large collection, and this app makes it so so so easy to log everything. their database is extensive, and the isbn scanner is magical! im so happy this app exists, I can stop buying doubles (sometimes triples) by searching my collection before I buy a book! its been so cool to see my collection grow!
May 24, 2025
Easy to use
Easy to use- my library is now catalogued!
May 23, 2025
CLZ Books
Have used CLZ books for years. Windows 7,10,11 and iPhone/iPad. Excellent App. Essential as a means of keeping a book collection.
Only one thing better than the App. Found minor problem. Reported it. Immediate and effective response. They fixed it. Brilliant
Only one thing better than the App. Found minor problem. Reported it. Immediate and effective response. They fixed it. Brilliant
May 22, 2025
Works great
This will help me keep track of my library at home and keep me from double buying books. :)
May 20, 2025
Excellent App!
Easy interface, excellent support and portable platforms.
May 19, 2025
Great customer service
The best way to catalog my books. Great customer service. I use this and the comics one. Great apps!
May 16, 2025
Easy to use
Great app. I finally have all my books organized! well worth the money. I highly recommend it.
May 11, 2025
Great App
Love the ease of use. Very quickly add your books into multiple platforms.
May 8, 2025
Worth every penny
This app is so awesome! It's worth every penny. I have hundreds of books and I got them all scanned. It's very customizable. Couldn't be happier.
Apr 17, 2025
Love it!
Quick and easy. I use this app to keep track of all my role playing books.
Apr 14, 2025
Easy to use
Just what I needed. Easy to use. Scan the code and add it to your library.
Apr 7, 2025
Great
Great application with a very good evolution.
Apr 7, 2025
Have used this app for years
Provides so much information and a snap to add books with scan tool. Great support team. Couldn't get by without this software. Great for preventing me buying books I already own.
Mar 26, 2025
The best I tried
CLZ Books is the best of several I tried. I have a huge project of entering 60 boxes of books and then offering them for sale. Exporting data to a format I can share with buyers is well done.
Mar 22, 2025
Very happy
Very happy with the app, so easy to use.
Mar 18, 2025
Excellent app
I had used Delicious Library back in the day but this blows that completely away. The functionality is great and the appearance is uncluttered but complete. Very easy to use and responsive developers!
Mar 17, 2025
Fantastic product
I am an avid reader. I needed a way to track what I’ve read, find out what else an author has written, and make a list to go shopping. I also needed an easy way to add books. This app does it all. It has many features and kind, efficient support when needed.
Mar 15, 2025
House Library
I have used this app for a few years now and I still Absolutely love it.
It helps me always know what books I already have in my collections.
It helps me always know what books I already have in my collections.
Mar 12, 2025
Excellent App
What a fantastic app for organising your books, highly recommend.
Mar 6, 2025
C’est top
Merci !
Mar 5, 2025
Awesome
great way to keep track of the books you own! It is even backed up to the cloud! Awesome!
Mar 5, 2025
Essential
This is such an essential app for anyone with an extensive library or for those who like to keep their collection organized and accessible. Also a great tool to keep a record of the books you own in the event of a worst case scenario. Easy to use and extensive with a lot of features. Love it!
Mar 2, 2025
Very easy to use
I access my inventory constantly because I can never remember if I have bought a bought a book yet or only wanted to buy a book. very, very much worth the money!
Mar 1, 2025
Perfect app for my books!
I love the different ways I can organize my books and see the whole collection. I peruse used book stores quite often and this is a useful tool to make sure I don't buy a book I already have. Embarrased to say I have done that a few times...
Feb 26, 2025
Absolutely amazing!
Everything I wanted and needed to catalog my library!
Feb 24, 2025
Astonishingly good
CLZ Books is the most wonderful piece of software, enabling me to keep track of my library. Loading new books is made easy through use of ISBN recognition, and the editing and display options are easy to operate and comprehensive. The owners and software engineers must be congratulated on producing a really astonishingly good product.
Feb 22, 2025
Great product
I installed this app a week ago and have already entered hundreds of books. This product is easy to learn and easy to use. It is just what you need to track your books. The developer has already contacted me in case I had questions. An amazing product and company.
Feb 21, 2025
Toll
Einfach super! lohnt sich um endlich mal ordnung in die sammlung zu bringen.
Feb 18, 2025
This app is wonderful!
This is an amazing app. I was looking for a way to catalog all my books as I have multiple ways I read them. Kindle, Audible, Chirp, and physical books. I am now able to look at 1 app to verify if I have read a particular book and where the book is located.