Compare software

Spark MailNetEase Mail Master
Freemium

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

 Free

Free to download; NetEase also sells VIP mailbox plans separately.

Windows, macOS, Android, iOS Windows, macOS, Linux, Android, iOS
  • Automatic inbox categorization cuts down on manual sorting
  • AI-drafted replies can speed up routine email responses
  • Works with Chinese providers such as 163 and QQ as well as Outlook
  • Available on desktop and mobile, including Linux
  • AI and team features are gated behind a paid plan
  • Some categorization requires manual correction over time
  • Interface and documentation are mainly in Chinese
  • Linux package targets Ubuntu 22.04
Downloadable app Downloadable app
Closed source Closed source
License not stated License not stated
Not stated if an account is needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 22, 2026

Checked October 1, 2026

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