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Perplexity Comet vs Jatter: catalog facts
Perplexity Comet	Jatter
Freemium A free tier is available. Full agent features require a Perplexity subscription.	Freemium Free to get started; the site has a pricing page for further plans.
Windows, macOS	Windows, macOS, Android, iOS
Assistant can act on pages, not only summarise them	AI answers based on your own logged-in accounts Client-side encryption of personal data
Requires a Perplexity account, and an agent acting on logged-in sites carries real risk Closed source	Works by reading sensitive pages such as banking and medical sites Few technical details published about how the AI processes data
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
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 22, 2026	Official website Full listing and sources Checked October 2, 2026

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