Logseq vs Notesnook

Logseq is a free, open-source platform for knowledge management and collaboration, with tools for notes, tasks, and PDF annotation. It supports Markdown and Org-mode files, and connects information through block references, backlinks, linked references, and queries. Logseq supports note sharing and real-time collaboration, and lists Zotero as an integration. The product says users keep their data locally and can work fully on-device; offline access is listed. It is available on web, Windows, macOS, Linux, iOS, and Android. A plugin and theme ecosystem extends the app, with the homepage listing more than 150 plugins and at least 30 themes. Logseq Sync provides encrypted file syncing across devices. Its public-beta Sync service does not support multiple people using the same graph at once, and the maker warns that data loss can occur. The database version is in beta, while the new mobile app and real-time collaboration features are in alpha; the maker also warns of possible data loss for these. Personal use is free forever. Sync Backer costs $5 a month and Sync Sponsor costs $15 a month, each described as a monthly recurring donation.

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.