| Price from | Free | $5/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | — | Yes |
| Plans published | 1 | 5 |
| Spec score · Online Whiteboard Tools | 8.1 (#22) | 9.0 (#9) |
| Spec score · Online whiteboards | 7.9 (#31) | 9.2 (#7) |
| Support | The privacy policy directs privacy questions to [email protected] and says users can submit information through the feedback form or support email. | Limnu offers email support at [email protected] and a support form. |
| What it does | cnvs.app is a free, browser-based collaborative whiteboard for people and AI agents. | Limnu is a browser-based collaborative whiteboard for sketching, brainstorming and remote teamwork. |
