What's new in CLZ Books Mobile?


Fixed in Add Books:

  • Type ISBN: Problems when copy/pasting ISBNs with spaces, dashes, enters, etc. inside them


Fixed in Add Books:

  • Scan ISBN:
    • A crash could occur during scanning of ISBNs
    • Crash if user did not grant camera permissions
    • Crash on devices without a camera
  • Type ISBN:
    • “Invalid ISBN” error when copy/pasting ISBNs with spaces, dashes, enters, etc.
    • A double keyboard could appear when switching between CLZ Books and other apps


Fixed:

  • Add Books: Type ISBN: Paste wasn’t working

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CLZ Books Mobile

v10.0: Read ISBN numbers with OCR!

Nov 14, 2024

CLZ Books version 10 is here! And this big update is all about adding books by ISBN.

Here’s what’s new in the Add Books screen:

  • Scan screen now also “reads” actual ISBN numbers using OCR
  • New scanning feedback shows where it “sees” a barcode or ISBN number
  • Now quickly detects ISBN barcodes and ISBN number in entire scan screen
  • Faster online ISBN lookups for most ISBNs
  • New “Type ISBN” tab: enter ISBNs manually, use external barcode scanner

Read more



A big v10.0 update is coming up for your CLZ Books app within 2 weeks, so here’s a Sneak Preview!

CLZ Book 10.0 will bring a vast improvement to the Add Books by ISBN feature!
Previously the scan screen could only scan ISBN barcodes, but v10 will also “read” ISBN numbers that are printed on the book using OCR (Optical Character Recognition).

Read more



We’ve fixed various crashes that happened throughout the app that.. shouldn’t happen anymore with this new version 🙂

We recommend you update your app A.S.A.P. Your app may have updated itself already (check the menu top left, the version number is at the top). If it hasn’t updated itself yet, here’s how to force the update:

  1. On your device, open the Play Store app.
  2. Search “CLZ” and select your CLZ app.
  3. Tap “Update” to update the app.


Fixed:

  • Add Manually screen didn’t show all tabs


  • Fixed various crashes
  • Small tweaks to the app icon


We have changed our company name!
We were previously called “Collectorz.com”, but as everyone called us “CLZ”, we figured, let’s go with the flow and officially rename the company to just “CLZ”!

But that’s not all. This week also brings:

  • a new company logo and styling
  • a completely new website at clz.com (previously www.collectorz.com)
  • new names for our web-based software, previously called Connect, now simply CLZ Comics Web, CLZ Movies Web, CLZ Games Web, etc…
  • new app icons for all CLZ apps!

Read more


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CLZ Books Mobile

v9.3: Several improvements and fixes

Sep 27, 2024

A nice update for CLZ Books again, in which we did improvements to several areas of the app.

  • Re-design of the Sort Order screen
  • New Date and Month folder options for all date fields
  • Statistics: new look for Most Recent lists

Read more


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CLZ Music Mobile

v9.2.5: Fixed a crop-bug in the Edit screen

Sep 03, 2024

Fixed:

  • Edit screen: After cropping a cover, the app would sometimes still show the non-cropped version in the edit screen


New:

  • Better indication and handling of “subscription expired” status


New:

  • Better indication and handling of “subscription expired” status

Fixed:

  • For items with very big images, the Edit screen could crash

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CLZ Music Mobile

v9.2: “Free 7-day trial” is back

Jul 26, 2024

The app now has a “free 7-day trial” again.
No more 100 item “free mode” or “free trial”. We did our best to make it work, but it just didn’t. So we’re back to the old tried and tested “7-day trial” system 🙂
(Don’t worry, if you already started your free mode, it will keep working.)


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CLZ Books Mobile

v9.1.8: Better workflow after adding a book

Jul 17, 2024

Updated:

  • Add Books by Author and Title: after adding a book, the cursor will be put back in the search box straight away so you can immediately start your next search

Fixed for iOS:

  • Statistics: In some cases the order under “most recent” could be wrong

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CLZ Books Mobile

v9.1.7: Free Mode is now called Free Trial

Jul 15, 2024

Updated:

  • Free Mode is now called Free Trial (still works the same way)


Fixed:

  • Fixed some problems related to updating/remembering the app’s subscription status

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CLZ Music Mobile

v9.1.5: Now supports “Sign up with Google”

Jun 26, 2024

New:

  • Now supports “Sign up with Google” for new users
  • Some more tweaks for new users to help them get started

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CLZ Music Mobile

v9.1.4: Now supports “Sign up with Apple”

Jun 23, 2024

New:

  • Now supports “Sign up with Apple” for new users

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CLZ Music Mobile

v9.1.5: Now supports “Sign up with Google”

Jun 21, 2024

New:

  • Now supports “Sign up with Google” for new users

Fixed:

  • “Don’t show again” checkbox didn’t save if the box was just “dismissed”


Fixed:

  • Some back buttons (and swiping to go back) would stop working after adding from Core
  • Incorrect error message would appear after adding manually


New:

Further guidance and popups to help new users get started adding their collection to the app.

Don’t worry, all popups can be dismissed with “don’t show again” 🙂

Fixed for iOS

  • In some cases the “Add to Collection” button wouldn’t work

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CLZ Music Mobile

v9.1.2: New big blue buy button

Jun 05, 2024

New:

  • We changed the “buy now” text link into a big blue button so it’s more clear!

Fixed:

  • In some cases logging in to an existing account after starting Free Mode would cause problems with adding.


CLZ Books is now free to use up to 100 books, for as long as you like.
This “Free Mode” includes access to all functionality, including CLZ Cloud syncing (for online backups and transferring data between devices).
Got more than 100 books? Then subscribe (US $15 per year) and add as many books as you need. Of course, feel free to try the app with 100 books first!



This is the 3rd and last “CLZ Books 9 Feature Hilite”, all about dealing with ISBNs that are not found in CLZ Core.

But first, if you missed an earlier feature hilite, you can still read them on our CLZ Blog here:

Read more

Recent changes

v10.0.2: Add Books: ISBN: Fixed a problem when pasting ISBNs Nov 19, 2024 v10.0.3: Fixed some crashes and problems in the Add Books screen Nov 18, 2024 v10.0.2: Pasting of ISBNs now possible on “Type ISBN” tab Nov 15, 2024 v10.0: Read ISBN numbers with OCR! Nov 14, 2024 Sneak Preview: CLZ Books 10.0 – Add books by reading ISBN numbers with OCR Nov 08, 2024 [Android] v9.4.4: Recommended update with stability fixes Nov 05, 2024 [Android] v9.4.3: “Add Manually” screen didn’t show all tabs Oct 25, 2024 [Android] v9.4.2: Various fixes / a tweak to the app icon Oct 24, 2024 v9.4: New app icon to fit our new company name and logo Oct 12, 2024 v9.3: Several improvements and fixes Sep 27, 2024 v9.2.5: Fixed a crop-bug in the Edit screen Sep 03, 2024 v9.2.2: Better indication of “Subscription Expired” Aug 14, 2024 v9.2.3: Better indication of “Subscription Expired” and some fixes Aug 12, 2024 v9.2: “Free 7-day trial” is back Jul 26, 2024 v9.1.8: Better workflow after adding a book Jul 17, 2024 v9.1.7: Free Mode is now called Free Trial Jul 15, 2024 v9.1.6: A couple of fixes for subscription status issues Jun 28, 2024 v9.1.5: Now supports “Sign up with Google” Jun 26, 2024 v9.1.4: Now supports “Sign up with Apple” Jun 23, 2024 v9.1.5: Now supports “Sign up with Google” Jun 21, 2024 v9.1.4: Back button/Swiping to go back wasn’t working in Add screen Jun 19, 2024 v9.1.3: A couple of onboarding tweaks for new users Jun 17, 2024 v9.1.2: New big blue buy button Jun 05, 2024 v9.1: CLZ Books is now free to use up to 100 books May 31, 2024 CLZ Books 9 Feature Hilite: better “ISBN not found” handling Apr 24, 2024

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