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Day One vs Lotti: catalog facts
Day One	Lotti
Freemium Free to use, with extra features in the paid Gold plan.	Free Free and open source under the GPL-3.0.
Windows, macOS, Android, iOS, Web, Browser extension	macOS, Linux, Android, iOS
Entries can include photos, video, audio and drawings End-to-end encrypted sync and data export	End-to-end encrypted sync between your own devices AI suggestions require your approval
Some features require the paid Gold plan Closed source	AI agent workflow may be more than a simple journal user needs Cloud AI features depend on external model providers
Downloadable app, Web application, Browser extension	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-only
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

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