Intercom vs Shelf
| Intercom | Shelf | |
|---|---|---|
| Free plan | No | No |
| Free trial | Yes | No |
| Paid from | $19/mo | — |
| Open source | No | No |
| Platforms | Android, iOS, Web | Web |
| Free plan | No | — |
| Paid from | Free | — |
| Publishing audience | Customers using a website, app, or product experience | — |
| SSO support | Yes | — |
Both are listed in Best Knowledge Base Software. On Samsung Mobile US Press, Intercom scores higher on our published basis.