# CW MARS Libraries vs Ocean State Libraries Mobile

The clearest difference is review sentiment: CW MARS Libraries at 56% against Ocean State Libraries Mobile's 5%. CW MARS Libraries also leads on rating (3.8 vs 1.6). Ocean State Libraries Mobile's advantage is update cadence (monthly vs every 4 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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 1.6. Both are backed by a comparable volume of ratings — 26 and 36 respectively. Written reviews point the same way: 56% of CW MARS Libraries's written reviews are positive against 5% of Ocean State Libraries Mobile's.

CW MARS Libraries ships an update every 4 months, Ocean State Libraries Mobile monthly. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | CW MARS Libraries | Ocean State Libraries Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (26 ratings)](https://appshunter.io/ios/app/cw-mars-libraries/id1434646418/reviews)** | [1.6 (36 ratings)](https://appshunter.io/ios/app/ocean-state-libraries-mobile/id6478874363/reviews) |
| Number of ratings | 26 | **36** |
| Positive reviews | **56.3% of reviews** | 4.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | Free |
| Size | 10 MB | 56 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kenneth Cox](https://appshunter.io/developer/1400443993) | [Cooperating Libraries Automated Network](https://appshunter.io/developer/1734264203) |

## What reviewers say

### CW MARS Libraries

[App page](https://appshunter.io/ios/app/cw-mars-libraries/id1434646418)

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:** macOS Compatibility

**In-app purchases:** none


### Ocean State Libraries Mobile

[App page](https://appshunter.io/ios/app/ocean-state-libraries-mobile/id6478874363)

Explore your local library's collection of books, music, movies, and games. Access a wide range of resources and discover new materials. A library card is required for full functionality.

**Highlights:** Explore library catalog, Find books, music, movies, games, Access library resources, Apply for library card online

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CW MARS Libraries free?

CW MARS Libraries is free to download, with no in-app purchases.

### Is Ocean State Libraries Mobile free?

Ocean State Libraries Mobile is free to download, with no in-app purchases.

### Which has better reviews, CW MARS Libraries or Ocean State Libraries Mobile?

CW MARS Libraries is rated higher. CW MARS Libraries averages 3.8 out of 5 from 26 ratings, while Ocean State Libraries Mobile averages 1.6 from 36 ratings.

### Do CW MARS Libraries or Ocean State Libraries Mobile have ads?

Neither CW MARS Libraries nor Ocean State Libraries Mobile shows ads.

### Which is updated more often, CW MARS Libraries or Ocean State Libraries Mobile?

CW MARS Libraries ships an update every 4 months, and Ocean State Libraries Mobile monthly. Most recently, CW MARS Libraries was updated on October 8, 2026 and Ocean State Libraries Mobile on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*