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Bonjourr vs Momentum: catalog facts
Bonjourr	Momentum
Free Free to use, with no account needed.	Freemium A free version is available. Momentum Plus is a paid subscription.
Web, Browser extension	Browser extension
Clean design with time-of-day photo backgrounds Many options, including custom fonts and CSS	A single stated focus per day is a genuinely effective nudge Pleasant, calm replacement for a grid of most-visited sites
Default Unsplash backgrounds are blocked in mainland China A start page only, not a full dashboard	Integrations, custom backgrounds and metrics need the paid Plus plan Requires an account for sync, and it is closed source
Web application, Browser extension	Browser extension
Closed source	Closed source
License not stated	License not stated
No account 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 23, 2026	Official website Full listing and sources Checked September 22, 2026

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