Notesnook vs SecNotes

Notesnook is a note-taking app for web, Windows, macOS, Linux, iOS, and Android, with note sharing and offline access. Notes are encrypted end-to-end before leaving the device, and the apps and sync server are open source under GPLv3. The app can be locked with a fingerprint, PIN, or password; selected private notes can also have a separate password. Individual notes can be published as web pages, optionally password protected. Zapier, IFTTT, or a custom script can send notes through the Inbox API. The free plan offers unlimited notes on unlimited devices, 50 MB of attachment storage per month, files up to 10 MB, and limits of 50 notebooks and 50 tags. Free users can read web-clipped content offline; paid plans include full offline mode and provide from 1 GB to 25 GB of attachment storage per month. Monthly plan prices listed include Essential at $1.99 per month, Pro at $6.99 per month, and Believer at $8.99 per month, including tax. Subscriptions can be cancelled without fees, with notes remaining readable and exportable.

SecNotes is a free Android note-taking app for personal data, with browser access for synced notes. It supports formatted text notes, image and video attachments, reminders, text-to-speech, themes and custom fonts, alongside spreadsheet and checklist formats. Notes can be arranged in folders and subfolders and protected with a password, PIN or pattern lock; the maker says they are stored using AES128 encryption. Spreadsheets include formulas, cell and row or column formatting, scrolling, sharing and XLS export. Checklists support sorting, reminders, item changes, duplicate checking and automatic completion when all items are checked. Backups are listed for Cloud and Dropbox, with SD-card backup and restore described in the app listing. Cloud-backed notes can be viewed and edited in a browser, and shared notes can be edited by up to 10 people. Imports include text and CSV files; exports include TXT, HTML, XLS, XLSX and PDF. Premium features include browser editing, shared notes, cloud backup, password recovery, printing, PDF and XLSX export, and ad removal.