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Spark MaileM Client
Freemium

Free for individuals; paid plans add AI features and team tools.

 Freemium

Free licence for personal, non-commercial use with up to two accounts; Personal from…

Windows, macOS, Android, iOS Windows, macOS, Android, iOS
  • Automatic inbox categorization cuts down on manual sorting
  • AI-drafted replies can speed up routine email responses
  • Handles Gmail, Microsoft 365, Outlook, Exchange and plain IMAP without plugins
  • Email, calendar, tasks, contacts, notes and chat in one polished window
  • AI and team features are gated behind a paid plan
  • Some categorization requires manual correction over time
  • No Linux version
  • The free licence is capped at two accounts and forbids any commercial use
Downloadable app Downloadable app
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Account needed
Not stated if it works offline Works offline

Checked September 22, 2026

Checked September 20, 2026

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