Wikipedia vs World Book Online
| Wikipedia | World Book Online | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | |
| Paid from | Free | $20.83/mo |
| Platforms | Android, api, iOS, Web | Android, iOS, Web |
| Free plan | Yes | No |
| Citation tools | Yes | Yes |
| Educator resources | Yes | Yes |
| Institutional access | Yes | Yes |
| Content formats | text and images | multimedia and interactive |
| Update frequency | continuous | continuous |
| Mobile apps | Yes | Yes |
Listed together in Best Online Encyclopedias