CW MARS Libraries gives you access to the shared library catalog for all CW MARS member libraries in Central and Western Massachusetts. To use this app, you must have a library card from a CW MARS member library, and know your password. If you do not know your password, or need a library card, please contact your local library.

What’s New

Version 2.1.0

* Add multiple accounts and switch between them
* New Library Info screen gives easy access to branch hours, phone, and directions

Ratings and Reviews

3.7 out of 5
13 Ratings

13 Ratings

Kindigo27 ,

Handy, but could improve a little

This is a bit handier than accessing through the browser, but it would be more useful if we could switch between several accounts without having to log out and back back log in. As a parent managing my own account and my children’s, I have resorted to memorizing their library card numbers. It would be ever so much more convenient to be able to switch seamlessly by simply selecting the account.

Developer Response ,

Hello, and thank you for the feedback. The iOS app is new and we are still improving. We intend to add support for multiple accounts in the future. I totally understand that logging out is not the best user experience. Two things: (1) email us at with suggestions or to ask about coming features; (2) email us to tell us which apps do support a good user switching experience. The other non-iOS mobile platform which shall not be named has a whole account management system which makes this somewhat easier.

MitchCohen ,

Multiple accounts, hooray!

I’m so happy you’ve added support for multiple accounts. This will make it much easier for me to track my kids’ accounts.

Please consider displaying the card holder’s name in both the account switcher and on the main screen. Right now all I have to go on is the card number, so it’s not easy to figure out which account belongs to which person. Thanks!

enygard ,

Great potential

I think this app has a lot of potential although it is limited in some ways. Some features are only accessible to larger libraries? I only have limited features. I wish I could see the calendar of the larger libraries in my area and not just the tiny library where I got my library card. All I can do is search the catalog, see my account, and place holds.


Kenneth Cox
27.2 MB

Requires iOS 10.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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