Compare software

ShortwaveMailMaestro
Freemium

Free to start with no credit card required, with paid options for more features.

 Freemium

Free to start with paid plans for more use and for teams.

Windows, macOS, Android, iOS Web, Browser extension
  • AI filters written in plain English
  • Drafts replies that match your writing style
  • Works inside Outlook and Gmail rather than a separate app
  • Drafts replies and summarizes long threads
  • Built for Gmail accounts
  • Relies on a hosted AI service that processes your mail
  • Gmail support depends on the Chrome extension
  • Email content is processed by a cloud AI service
Downloadable app, Hosted service Hosted service, Browser extension
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 Needs internet

Checked September 23, 2026

Checked October 1, 2026

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