Compare software

Jatter vs Fellou: catalog facts
Jatter	Fellou
Freemium Free to get started; the site has a pricing page for further plans.	Freemium Free to download, with paid plans for heavier agent use.
Windows, macOS, Android, iOS	Windows, macOS
AI answers based on your own logged-in accounts Client-side encryption of personal data	Agent can run multi-step tasks across several websites Shows an editable action plan before it acts
Works by reading sensitive pages such as banking and medical sites Few technical details published about how the AI processes data	Browser itself is closed source Agent actions depend on AI services and an internet connection
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	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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