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Diarium vs jrnl: catalog facts
Diarium	jrnl
Freemium Free to start; Diarium Pro is a one-time purchase per platform.	Free Free and open source.
Windows, macOS, Android, iOS	Command line
No account needed to start Sync through your own OneDrive, Google Drive, Dropbox, iCloud or WebDAV	Entries are plain text files you own Optional AES encryption of journals
Pro must be bought separately on each platform Closed source	Terminal only, with no graphical interface Sync depends on a separate tool such as Dropbox
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

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