Best OpenStax Alternatives in 2026

Updated October 2026

20 apps from digital textbook platforms ranked against OpenStax on the same published basis.

OpenStax alternatives compared

#	App	Score	Free plan	From	Runs on
1	LibreTexts	9.6	Free plan	$104.17/mo	Android, iOS, Web
2	VitalSource Bookshelf	9.5	Free plan	Free	Android, iOS, Mac, Web, Windows
3	BibliU	9.1	No	—	Android, iOS, Mac, Web, Windows
4	KITABOO	8.8	No	$1/mo	Android, iOS, Mac, Web, Windows
5	Opiq	8.8	No	€1/mo	Android, iOS, Web
6	Kortext	8.5	No	—	Android, iOS, Mac, Web, Windows
7	DIKSHA	8.5	Free plan	Free	Android, iOS, Web
8	eLibro	8.4	No	—	Android, iOS, Mac, Web, Windows
9	Cambridge Aspire	8.4	No	—	Android, iOS, Mac, Web, Windows
10	ePathshala	8.4	Free plan	Free	Android, iOS, Web, Windows
11	Perlego	7.8	No	—	Web, iOS, Android
12	O'Reilly Learning	7.8	No	$41.58/mo	Web, iOS, Android
13	zyBooks	7.7	No	—	Web, iOS, Android, Windows, Mac, Linux
14	Oxford Learner’s Bookshelf	7.7	No	—	Web, Windows, Mac, Linux, iOS, Android
15	YUDU Publisher	7.3	No	—	Web, Windows, iOS, Android
16	Top Hat	7.1	No	$35/mo	Web, iOS, Android
17	Yuzu	6.7	No	—	Web, Windows, Mac, iOS, Android
18	Interactive Textbooks Digital Library	6.6	No	—	Web, iOS
19	FlatWorld	6.3	No	—	Web
21	Siyavula	5.8	No	—	Web

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Questions about OpenStax alternatives

What is the best alternative to OpenStax?

LibreTexts, number 1 in digital textbook platforms with a score of 9.6 out of 10. The others here: VitalSource Bookshelf, BibliU, KITABOO and 16 more.

What is the best free alternative to OpenStax?

LibreTexts is the best-ranked alternative with a free plan. 4 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.