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Alter vs BoltAI: catalog facts
Alter	BoltAI
Freemium Download and start without a credit card; paid plan details are not given in the research.	Paid Paid app with a free trial that needs no account.
macOS	macOS
Uses screen and app context for requests Voice commands and dictation that trigger actions	Native Mac interface with system-wide shortcuts Many cloud providers and local Ollama models in one app
Mac only, macOS 14 or later Pricing is not clearly stated on the homepage	Mac only, requiring macOS 13 or later Cloud models need your own provider access
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	No account needed
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 September 23, 2026

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