| Price from | $15/mo | €6/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| iOS | Yes | — |
| API | Yes | — |
| Plans published | 3 | 2 |
| Spec score · Online Whiteboard Tools | 8.8 (#12) | 8.0 (#24) |
| Spec score · Online whiteboards | 8.0 (#29) | 7.6 (#46) |
| Intended users | The Individual plan is targeted at tutors, consultants, and creators, while the Company plan is designed for organizations serving students and tutors. | The maker describes interview use, solo practice, classrooms and teams that share prompts and rubrics. |
| Security | BitPaper says payments are processed by Stripe and that it does not handle or store card details. | The product page says passwords are hashed with Argon2id, optional two-factor authentication is available, and users can export or delete their account and diagrams. |
| Support | BitPaper's help menu provides access to its manual and Support contact. | The maker says users can contact the person building Diagraw directly by email. |