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Fello AI vs Alter: catalog facts
Fello AI	Alter
Freemium Free to start, with paid access for more use.	Freemium Download and start without a credit card; paid plan details are not given in the research.
macOS, iOS	macOS
Many AI models from one subscription Floating chat bar that works over any Mac app	Uses screen and app context for requests Voice commands and dictation that trigger actions
Apple platforms only Closed source and dependent on third-party model providers	Mac only, macOS 14 or later Pricing is not clearly stated on the homepage
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
Needs internet	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.