CK-12 FlexBook 2.0 vs Open Textbook Library
| CK-12 FlexBook 2.0 | Open Textbook Library | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | |
| Paid from | Free | Free |
| Platforms | Android, iOS, Web | api, Web |
| Free plan | Yes | Yes |
| Science scope | k-12 science | |
| Interactive simulations | Yes | |
| Guided lessons | Yes | |
| Assessment tools | Yes | |
| Supported platforms | Browser on laptop, desktop, Chromebook, tablet, or mobile device | |
| Offline access | Yes | |
| Device support | web_only |
Listed together in Best Digital Textbook PlatformsBest Open Educational Resource Platforms