Arca vs Doctrine
| Arca | Doctrine | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | Yes |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web | Web |
| Authority search | Yes | Yes |
| Source citations | Yes | Yes |
| Document uploads | Yes | Yes |
| Primary-source coverage | case law, statutes, regulations | case law, statutes, regulations |
| Jurisdiction scope | global | national |
| Free plan | — | No |
| Case analysis | — | Yes |
Both are listed in Best AI Legal Research Software. On Inferse, Doctrine scores higher on our published basis.