Compare software

HeyMate vs Alter: catalog facts
HeyMate	Alter
Free Free and open source; AI provider plans may be needed for some features.	Freemium Download and start without a credit card; paid plan details are not given in the research.
macOS	macOS
Answers questions about on-screen content Shows an agent plan before changes run	Uses screen and app context for requests Voice commands and dictation that trigger actions
macOS 14.2 or later required Agent features use external coding tools or AI providers	Mac only, macOS 14 or later Pricing is not clearly stated on the homepage
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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