| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | — | Yes |
| Android | Yes | — |
| Self-hosted | — | Yes |
| Plans published | 1 | 1 |
| Spec score · Secure Notes Apps | 8.1 (#11) | 7.1 (#28) |
| Backups | Users can export and import encrypted backups, which the README says can only be opened with the user's key. | Users can export and import encrypted JSON backups that include attachments. |
| Encryption | The project says content is encrypted using AES-256. | The README says notes are encrypted on the device with AES using a master password that never leaves the device. |
| Offline use | The project says NoteSR works without cloud storage or an account. | The app works offline and stores data locally in the browser's IndexedDB. |
| Product | NoteSR is an offline-first Android note-taking app that stores notes in an encrypted space on the device. | ZeroNote combines notes, password management, bookmarks, document storage, and 2FA in one app using smart tags. |