Compare software

MailMaestroShortwave
Freemium

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

 Freemium

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

Web, Browser extension Windows, macOS, Android, iOS
  • Works inside Outlook and Gmail rather than a separate app
  • Drafts replies and summarizes long threads
  • AI filters written in plain English
  • Drafts replies that match your writing style
  • Gmail support depends on the Chrome extension
  • Email content is processed by a cloud AI service
  • Built for Gmail accounts
  • Relies on a hosted AI service that processes your mail
Hosted service, Browser extension Downloadable app, Hosted service
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Account needed
Needs internet Not stated if it works offline

Checked October 1, 2026

Checked September 23, 2026

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