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Jatter vs Sigma AI Browser: catalog facts
Jatter	Sigma AI Browser
Freemium Free to get started; the site has a pricing page for further plans.	Free Described by the developer as a free browser.
Windows, macOS, Android, iOS	Windows, macOS, Android, iOS
AI answers based on your own logged-in accounts Client-side encryption of personal data	Built-in AI agent that acts on web pages Local Eclipse LLM keeps prompts on the device
Works by reading sensitive pages such as banking and medical sites Few technical details published about how the AI processes data	Cloud AI features send data off the device Developer and licensing details are not clearly stated
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
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 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.