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Logseq vs FastLog: catalog facts
LogseqFastLog
Freemium

The app is free and open source under the AGPL 3.0. Logseq Sync is a paid service, and…

Free

Free and open source under the AGPL-3.0 licence.

Windows, macOS, Linux, Android, iOS Android
  • Notes are plain Markdown files in a folder you control
  • Block-level linking and embedding, not just page links
  • Fast startup and full-text search
  • Works on existing Logseq Markdown files
  • The database version is in beta and the project warns data loss is possible
  • Outliner structure does not suit long-form prose
  • Opinionated feature set rather than full Logseq parity
  • Android only
Downloadable app Downloadable app
Open source Open source
License: AGPL-3.0 License: AGPL-3.0-or-later
No account needed No account needed
Works offline Works offline

Checked September 21, 2026

Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.