CK-12 FlexBook 2.0 Pricing in 2026
Every plan CK-12 FlexBook 2.0 publishes, with the page and date we read it from. Prices we could not find on CK-12 FlexBook 2.0's own site are marked "Not published", never guessed.
| Plan | Price | Billing | Limits | Source |
|---|---|---|---|---|
| FlexBook 2.0 | Free | Free online customizable digital textbook; content varies by subject and book | help.ck12.org |