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Jiyi vs Day One: catalog facts
Jiyi	Day One
Free Free and open source under the GPL 3.0 licence.	Freemium Free to use, with extra features in the paid Gold plan.
Windows, Linux, Android	Windows, macOS, Android, iOS, Web, Browser extension
Encrypted voice recordings All features run locally	Entries can include photos, video, audio and drawings End-to-end encrypted sync and data export
Small project with no tagged releases on GitHub Main README is in Chinese, with a separate English version	Some features require the paid Gold plan Closed source
Downloadable app	Downloadable app, Web application, Browser extension
Open source	Closed source
License: GPL-3.0-only	License not stated
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 September 24, 2026

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