| Price from | $15/mo | $14/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| iOS | Yes | — |
| API | Yes | Yes |
| Plans published | 3 | 10 |
| Spec score · Online Whiteboard Tools | 8.8 (#12) | 7.8 (#33) |
| Spec score · Online whiteboards | 8.0 (#29) | 7.8 (#37) |
| Product | BitPaper is a collaborative online whiteboard with a permanent, private URL for sharing papers and making video calls. | Twiddla is an online collaboration whiteboard for marking up web pages, uploaded images, documents, or a blank canvas in real time. |
| Security | BitPaper says payments are processed by Stripe and that it does not handle or store card details. | The pricing page lists SSL security and password-protected private meetings as features of paid subscriptions. |
| Support | BitPaper's help menu provides access to its manual and Support contact. | The pricing page lists email support for Pro and Team, priority email for Business, and email and phone support for Enterprise. |
