| Price from | $5/mo | $14/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Plans published | 5 | 10 |
| Spec score · Online whiteboards | 9.2 (#7) | 7.8 (#37) |
| Spec score · Online Whiteboard Tools | 9.0 (#9) | 7.8 (#33) |
| Integrations | A Slack integration can create a shared Limnu board from a Slack slash command. | The maker documents API client libraries for .NET, PHP, Python, and Java. |
| Product | Limnu is an online whiteboard for sketching, sharing, brainstorming, and real-time collaboration. | Twiddla is an online collaboration whiteboard for marking up web pages, uploaded images, documents, or a blank canvas in real time. |
| Support | Limnu offers email support at [email protected] and a support form. | The pricing page lists email support for Pro and Team, priority email for Business, and email and phone support for Enterprise. |
