CK-12 FlexBook 2.0 vs O'Reilly Learning
| CK-12 FlexBook 2.0 | O'Reilly Learning | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | $41.58/mo |
| Open source | No | No |
| Platforms | Web | Web, iOS, Android |
| Free plan | Yes | No |
| Paid from | — | 49 /mo |
| Offline access | — | Yes |
Both are listed in Best Digital Textbook Platforms. On Samsung Mobile US Press, O'Reilly Learning scores higher on our published basis.