Citizendium vs Credo Reference
| Citizendium | Credo Reference | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web | Web |
| Free plan | Yes | — |
| Citation tools | Yes | Yes |
| Content formats | text | multimedia and interactive |
| Update frequency | not stated | not stated |
| Educator resources | — | Yes |
| Institutional access | — | Yes |
| Mobile apps | — | No |
Both are listed in Best Online Encyclopedias. On Inferse, Credo Reference scores higher on our published basis.