CK-12 FlexBook 2.0
7.6#3 in digital textbook platformsFree planFree planAndroidiOSWebExtension
VisitCK-12 FlexBook 2.0 vs Perlego
What both publish
| Fact | CK-12 FlexBook 2.0 | Perlego |
|---|---|---|
| Integrations | CK-12 lists Google Classroom, Canvas, Schoology, Kiddom, Clever and ClassLink as SSO or LMS partners. | For organisations with 50 or more subscriptions, Perlego says it can offer integrations with authentication systems, library discovery systems, and learning management systems. |
| Security | CK-12 says it uses administrative, technological and physical safeguards and encrypts transmissions with SSL or similar technology, while disclaiming a guarantee of security. | Perlego’s 2025 publisher security whitepaper says it uses TLS for data in transit and AES 256-bit encryption for sensitive data at rest. |
CK-12 FlexBook 2.0 plans
- CK-12 FlexBook 2.0Free
- FlexBook 2.0Free
Perlego plans
- Complete—
- Essential—
- Institutions & OrganisationsPriced on request
Pick CK-12 FlexBook 2.0 if…
FlexBook 2.0 suits K–12 educators who want to adapt textbook chapters and assign lessons or practice to classes and differentiated groups. Students can use its lessons and adaptive practice, while the browser access supports a range of device types.
Pick Perlego if…
You want what its maker publishes above — check its page for the details.