CK-12 FlexBook 2.0 Pricing in 2026
2 plans, and a free plan.
CK-12 FlexBook 2.0
Free
Billed No charge
Free access for students, teachers, schools and districts · online FlexBooks, interactive lessons, practice and teacher tools
FlexBook 2.0
Free
Free online customizable digital textbook; content varies by subject and book
Free plan Read from CK-12 FlexBook 2.0's pricing page on 15 Oct 2026.
What the alternatives cost
| Product | Free | Paid from |
|---|---|---|
| DIKSHA | Free plan | — |
| OpenStax | Free plan | $15 |
| SkillsCommons | Free plan | — |
| African Storybook | Free plan | — |
| Pressbooks | Free trial | $120 |
| Lumen Learning | Free plan | $35 |