Side by side

FlatWorld vs R2 Digital Library

Both stand on digital textbook platforms. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

FlatWorld

Paid Web

FlatWorld combines digital textbooks with homework, study tools, and instructor customization. Compare the package options and title-specific pricing before choosing a textbook.

Visit FlatWorld

R2 Digital Library brings health sciences eBooks, multimedia, and library administration tools together for institutional use. Institutions should account for its trial eligibility requirement and temporary print and email limits.

Visit R2 Digital Library

The facts

	FlatWorld	R2 Digital Library
Free plan	No	A free trial
Open source	Not published	Not published
Runs on	Web	Android, iPhone, Web
Lowest paid plan	Basic: $34.95, paid once	Free or on request
Plans published	3	1
Maker	Not published	Not published
Website	flatworld.com	r2library.com
On digital textbook platforms	#24 of 28	#20 of 28

FlatWorld: what it does well

Every textbook includes auto-graded homework and a gradebook.
Instructors can reorder chapters and add custom material.
eReader works in a browser without app installation.
Notes can be saved or printed as a PDF.

What to know first

No free plan is listed.
Chapter podcasts vary by title and package.
Prices vary by title and package.

R2 Digital Library: what it does well

Searches peer-reviewed content from more than 110 STM publishers.
Includes more than 4 million medical images.
Institutions retain access for the life of each edition.
Offers library administration and discovery tools.
Lists offline, annotation, and read-aloud support.

What to know first

There is no free plan.
The 30-day trial requires an active Rittenhouse account number.
Printing and emailing can be suspended after usage thresholds are reached.

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