| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| macOS | Yes | Yes |
| iOS | Yes | Yes |
| Plans published | 2 | 4 |
| Spec score · Handwritten Notes Software | 8.6 (#3) | 8.3 (#7) |
| Spec score · Note-taking apps | 8.4 (#61) | 8.4 (#66) |
| Spec score · Notes apps | 8.4 (#25) | 8.2 (#40) |
| Free plan | Yes | Yes |
| Integrations | Apple iCloud,Apple VisionKit,Firebase Authentication,Firebase Crashlytics,Google ML Kit | Apple Calendar; iCloud |
| Note sharing | Yes | Yes |
| Supported platforms | ios,macos | iOS,iPadOS,macOS,Apple Vision |
| Support | The maker lists [email protected] for privacy and terms questions and links to a Help Center, feature requests, and bug reports. | Penbook recommends contacting support in the app through Account > Get Support, and lists [email protected] as a contact. |
