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Diary vs Journalize: catalog facts
Diary	Journalize
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL-3.0 licence.
Android	Android
Entries saved as plain text files with Markdown Incremental and full search across entries	Markdown rendering with images Tags and search across entries
Android only No built-in sync between devices	Android only Small project with a single developer
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0-or-later
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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