CW MARS Libraries

CW MARS Libraries

your library in your pocket

26 ratings
16 reviews
Free

Details

  • Released
  • Updated
  • October 10, 2018
  • March 30, 2026

Features

CW MARS Libraries screenshot #1 for iPhone
CW MARS Libraries screenshot #2 for iPhone
CW MARS Libraries screenshot #3 for iPhone
CW MARS Libraries screenshot #4 for iPhone
CW MARS Libraries screenshot #5 for iPhone
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About

Access the shared catalog of libraries across Central and Western Massachusetts. Requires a library card and password from a participating CW MARS member library to use.

Access shared library catalog
Search for books and materials
Manage library account
Find participating libraries
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What's New in CW MARS Libraries

4.5.0

March 30, 2026

* Add "More information" button to Item Details screen * If the public catalog has an alert banner, show it in the app * Fixed bug preventing placing hold on item with part label having a leading space

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User reviews

Okay, but

It’s helpful to be able to see at a glance which books I’ve taken out from which libraries and see how long my loan extends until. It’s also really helpful to have every library’s address, phone number, and hours listed.

But, I strongly wish there was a feature where I could “favorite” certain libraries (from my neighboring towns) and then when I go to look up books, be able to see if the book is available at those favorited libraries without having to make individual searches for the same book over and over again for every single library in my area.

When I’m on my local library’s website, there is an online catalog that tells me “this book is not currently available at our library, BUT, the book is available at *these other* libraries,” then it lists out every CW Mars library and whether or not the book is available at each location.

I wish this app had that feature in general, but more specifically that it had that feature and that we had the ability to narrow the long list of CW Mars libraries down to just a few chosen favorited libraries. It would streamline finding where I can take out my chosen books!

As this app is currently, the only use for me personally is to see which books I’ve taken out, but it would be infinitely more helpful to me if it allowed me to see at a glance, from a single search, which libraries in my area currently have available the book I’m looking for.
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Needs Notifications

This is a very clean UI that does the things it is supposed to. The only thing missing is notifications. PLEASE PLEASE PLEASE add due date reminders and holds notifications!

A gem

This little app is everything it should be and nothing more. A rare find these days.

Great, with one major flaw

The app makes it way easier to check my library info than using the website. I like that I can also save multiple library card numbers so I can easily switch between my account and my kids’ accounts and manage all our books, due dates, and holds. The one major oversight is that I can’t find a way to remove an old library card number. We all recently got new library cards and after updating the card numbers for the login, I have both the new and old accounts showing. I can’t remove the old cards and it didn’t just replace the old card numbers with the new ones so now my list of logins shows all the old and new card numbers. Even after deleting the app (which also supposedly deletes all saved data too…) and reinstalling the app, all the saved card numbers, including the old ones, are still showing up. PLEASE make a way to DELETE an outdated library card number!
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Handy!!!!

Thank you for this! It’s super handy ❤️

Developer apps

FAQ

What is CW MARS Libraries?

CW MARS Libraries is a mobile application that provides access to the shared library catalog for all CW MARS member libraries in Central and Western Massachusetts. It allows users to search for books and other materials available within the network.

How do I use CW MARS Libraries?

To use CW MARS Libraries, you must have a library card from a CW MARS member library and know your associated password. You can then log in to the app to access the catalog and manage your account.

Do I need a library card to use CW MARS Libraries?

Yes, a library card from a CW MARS member library is required to use the CW MARS Libraries app. If you do not have a library card, you will need to contact your local library to obtain one.

What if I forgot my library password?

If you have forgotten your password, please contact your local CW MARS member library directly. They will be able to assist you with resetting your password or providing alternative access methods.

Is CW MARS Libraries free to use?

Yes, CW MARS Libraries is available for free. There are no charges associated with downloading or using the application itself.

What devices does CW MARS Libraries support?

CW MARS Libraries is supported on iPhone, iPad, and iPod devices. This ensures accessibility for a wide range of Apple users.

How often is CW MARS Libraries updated?

The latest version of CW MARS Libraries is 4.5.0, last updated on March 30, 2026. This indicates regular updates to improve functionality and user experience.

What is the age rating for CW MARS Libraries?

CW MARS Libraries has an age rating of 4+. This means it is suitable for users aged four and older, making it accessible for most library patrons.