CK-12 FlexBook 2.0 vs Opiq
| CK-12 FlexBook 2.0 | Opiq | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | €1/mo |
| Open source | No | No |
| Platforms | Android, iOS, Web | Android, iOS, Web |
| Free plan | Yes | Yes |
| Access model | — | subscription |
| Annotation tools | — | Yes |
| Institutional admin | — | Yes |
| Device support | — | web_desktop_mobile |
| Read-aloud support | — | Yes |
Both are listed in Best Digital Textbook Platforms. On Inferse, CK-12 FlexBook 2.0 scores higher on our published basis.