CW MARS Libraries vs CLAMS Library Network
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CW MARS Libraries
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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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.
CLAMS Library Network
Manage your library account from your mobile device. Search the catalog for books, movies, and more, place holds, check due dates, and renew items. You can also use your phone for self-checkout and find library hours and locations.
- Search library catalog
- Manage multiple accounts
- Track reading history
- Check due dates and renew items
- Place and manage holds
- Mobile self-checkout
- View library information
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The CLAMS app allows you to explore your library on the go to find new books, movies, games, or your old favorites! Quickly search the entire catalog, including eContent, and place holds, check due dates and renew eligible titles. Use the CLAMS app to manage your account and find new titles. Search the catalog, request books for pickup, use your phone for self-checkout, renew your materials, check out museum passes, and more. Features include: - Search the library catalog for books, magazines, movies, music, and more - Manage one or more accounts - Keep track of your reading history - Check due dates and renew items - Browse new and on order titles - Place and manage holds - View library hours, locations, and contact information - Check out your items on your mobile device
Screenshots
Verdict
The clearest difference is review sentiment: CW MARS Libraries at 56% against CLAMS Library Network's 0%. CW MARS Libraries also leads on rating (3.8 vs 2.4). CLAMS Library Network's advantage is update cadence (every 5 weeks vs every 4 months). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CW MARS Libraries holds the better App Store score, 3.8 against 2.4. Both are backed by a comparable volume of ratings — 26 and 11 respectively. Written reviews point the same way: 56% of CW MARS Libraries's written reviews are positive against 0% of CLAMS Library Network's.
CW MARS Libraries ships an update every 4 months, CLAMS Library Network every 5 weeks. The most recent releases landed on June 3, 2026 and September 7, 2026 respectively.
| Parameter | CW MARS Libraries | CLAMS Library Network |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (26 ratings) — better | 2.4 (11 ratings) |
| Positive reviews | 56.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 26 — better | 11 |
| Update frequency | Every 4 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 10 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Kenneth Cox | The Cape Libraries Automated Materials Sharing, Inc. |
Customer experience
CW MARS Libraries
CLAMS Library Network
In-app purchases
CW MARS Libraries
No in-app purchases
CLAMS Library Network
No in-app purchases
Questions
Is CW MARS Libraries free?
Is CLAMS Library Network free?
Which has better reviews, CW MARS Libraries or CLAMS Library Network?
Do CW MARS Libraries or CLAMS Library Network have ads?
Which is updated more often, CW MARS Libraries or CLAMS Library Network?
Other comparisons
