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ReminDiary vs Diary: catalog facts
ReminDiary	Diary
Free Free and open source under the GPL 3.0 licence.	Free Free and open source under the GPL-3.0 licence.
Android	Android
Shows past entries from the same date after saving Fully offline with no account	Entries saved as plain text files with Markdown Incremental and full search across entries
No sync between devices One entry per day only	Android only No built-in sync between devices
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0
No account needed	Not stated if an account is needed
Works offline	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.