Comparison

Calvert Library vs WonderBooks

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

Head to head
About

Calvert Library

Read full description

The Calvert Library app is your portal to the library's services from your mobile devices. Check your account, search the catalog, use your digital library card, renew items, check out ebooks from OverDrive and get the latest recommended reads suggestions. You can even use it to check out books while you’re visiting a Calvert Library location. Summary and detailed descriptions are at your fingertips, plus reviews and lists of similar items. All our events are shown in the app and you can filter by location, age and event type. Want to check whether we have a book you've just seen in a cafΓ©? You can scan the book's barcode and we'll check whether any branches have it. Our location finder shows you the nearest branch to where you are. You can see opening hours at a glance and get directions to any of our four library locations. Access digital content - ebooks, audiobooks, music, movies, magazines and more with quick links to apps from Overdrive, Freegal, Lynda, Hoopla, Beanstack and RBDigital. For OverDrive you can check out and read or listen all from within the app.

About

WonderBooks

Features
Read full description

WonderBooks makes reading feel warm, magical, and easy to return to. Discover illustrated stories built for young readers and families, with read-aloud audio, clear discovery, and calm routines that make reading the best part of the day. Features - Browse adventures, fairy tales, funny stories, and curiosity-led categories - Tap play for narration that supports bedtime, travel, and independent reading - Save favorites for offline reading and keep progress synced across devices - Read across 13 languages with a polished, family-friendly interface Start a calmer, happier reading routine with WonderBooks.

Screenshots

Calvert Library4 screens
WonderBooks4 screens

Verdict

The call

The clearest difference is update cadence: WonderBooks at every 3 weeks against Calvert Library's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Calvert Library ships an update every 4 months, WonderBooks every 3 weeks. Both last shipped on October 12, 2026.

Scorecard1 real difference Β· 5 level
Calvert Library versus WonderBooks: the parameters behind the verdict, then further details
ParameterCalvert LibraryWonderBooks
PriceFreeFree
Update frequencyEvery 4 monthsEvery 3 weeks β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS16.015.1 β€” better
Further details β€” not scored
Size46 MB55 MB
Age rating4+4+
DeveloperCalvert County Public LibraryNMZone

In-app purchases

None

Calvert Library

No in-app purchases

None

WonderBooks

No in-app purchases

Questions

Is Calvert Library free?
Calvert Library is free to download, with no in-app purchases.
Is WonderBooks free?
WonderBooks is free to download, with no in-app purchases.
Do Calvert Library or WonderBooks have ads?
Neither Calvert Library nor WonderBooks shows ads.
Which is updated more often, Calvert Library or WonderBooks?
Calvert Library ships an update every 4 months, and WonderBooks every 3 weeks. Most recently, Calvert Library was updated on October 12, 2026 and WonderBooks on October 12, 2026.

Other comparisons