Comparison

CW MARS Libraries vs Bookshop.org

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Access shared library catalog
  • Search for books and materials
  • Manage library account
  • Find participating libraries
Features
Read full description

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.

About

Bookshop.org

Read millions of ebooks and support independent bookstores with every purchase. This app offers a customizable reader, extensive browsing, and tools to organize your reading list and notes.

Highlights
  • Customizable ebook reader
  • Browse millions of titles
  • Organize TBR into custom shelves
  • Highlight in five colors
  • Add notes to highlights
  • Save titles to wishlist
Features
Currently charting
Read full description

Bookshop.org’s mission is simple: We help local, independent bookstores thrive by giving more than 80% of our profits back to our network of 3,000+ stores. In our app, you can read millions of ebooks - and every purchase supports an independent bookstore near you! In the Bookshop app you can: - Read your ebooks in our customizable ebook reader. - Browse millions of titles and discover your next favorite read in romance, thrillers, mystery, fiction, non-fiction, memoir, and more. - Organize your TBR into custom shelves. - Highlight in five different colors, and add notes to your highlighted passages. - Sort & filter highlights and notes by date created, book order, and more. - Save titles to your wishlist so you can read them later. - Shop knowing that over 80% of the profit goes directly to local, independent bookstores. We’re a Certified B Corp, and we’ve raised more than $50 million for independent bookstores nationwide since 2020. Download the Bookshop.org app to support bookstores, not billionaires.

Screenshots

CW MARS Libraries4 screens
Bookshop.org4 screens

Verdict

The call

The clearest difference is rating: Bookshop.org at 4.8 against CW MARS Libraries's 3.8. Bookshop.org also leads on update cadence (every 5 days vs every 4 months) and ratings volume (2.3K vs 27). On price, review sentiment, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Bookshop.org holds the better App Store score, 4.8 against 3.8. That said, the two scores are not equally well evidenced: Bookshop.org has 2.3K ratings behind it against 27, so its average is the more settled of the two. Written reviews split almost evenly too, at 56% and 57% positive.

UpkeepUpdate frequency

CW MARS Libraries ships an update every 4 months, Bookshop.org every 5 days. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

Scorecard4 real differences · 7 level
CW MARS Libraries versus Bookshop.org: the parameters behind the verdict, then further details
ParameterCW MARS LibrariesBookshop.org
PriceFreeFree
Rating3.8 (27 ratings)4.8 (2.3K ratings) — better
Positive reviews56.3% of reviews56.7% of reviews — better
Number of ratings272.3K — better
Update frequencyEvery 4 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
Best chart rank—#177 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.4
Further details — not scored
Size9 MB111 MB
Age rating4+12+
DeveloperKenneth CoxBookshop, Inc.

Customer experience

CW MARS Libraries

All ratings27 ratings
Positive63.0%
Neutral25.9%
Negative11.1%
Written reviews16 reviews
Positive56.3%
Neutral37.5%
Negative6.3%

Bookshop.org

All ratings2,313 ratings
Positive94.6%
Neutral3.0%
Negative2.4%
Written reviews180 reviews
Positive56.7%
Neutral22.8%
Negative20.6%

Bugs and requests

CW MARS Libraries

Not enough reviews yet to summarise bugs or requests.

Bookshop.org

Reported bugs

4 issues
  • Inability to remember last page read
  • Scrolling issues and unexpected page skipping
  • Formatting problems (stripped italics, weird paragraph spacing)
  • Settings not persisting between app sessions

Requested features

7 requests
  • More font and theme options
  • Ability to adjust line spacing, margins, and other formatting
  • Implement highlighting, annotation, and note-taking features
  • Add search functionality
  • Improve page turning and navigation
Show 2 more
  • Provide better dark mode/night reading experience
  • Sync reading progress across devices

In-app purchases

None

CW MARS Libraries

No in-app purchases

None

Bookshop.org

No in-app purchases

Questions

Is CW MARS Libraries free?
CW MARS Libraries is free to download, with no in-app purchases.
Is Bookshop.org free?
Bookshop.org is free to download, with no in-app purchases.
Which has better reviews, CW MARS Libraries or Bookshop.org?
Bookshop.org is rated higher. CW MARS Libraries averages 3.8 out of 5 from 27 ratings, while Bookshop.org averages 4.8 from 2.3K ratings.
Do CW MARS Libraries or Bookshop.org have ads?
Neither CW MARS Libraries nor Bookshop.org shows ads.
Which is updated more often, CW MARS Libraries or Bookshop.org?
CW MARS Libraries ships an update every 4 months, and Bookshop.org every 5 days. Most recently, CW MARS Libraries was updated on November 2, 2026 and Bookshop.org on November 7, 2026.

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