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Aster MailHushmail
Freemium

Free plan with 10 GB of storage; paid plans start at $2.99 per month.

 Paid

Paid plans for practices, businesses and personal use.

Android iOS, Web
  • Mail is encrypted on the device before it leaves
  • 10 GB free with custom domain support
  • Encrypted email together with e-signable secure forms
  • Plans shaped around HIPAA and Canadian privacy rules
  • The app only works with astermail.org accounts
  • Young project with a small user base compared with established providers
  • Features and pricing lean toward healthcare practices
  • Hosted service, so you rely on the provider for your mail
Downloadable app, Hosted service Downloadable app, Web application, Hosted service
Open source Closed source
License: AGPL-3.0 License not stated
Account needed Account needed
Not stated if it works offline Not stated if it works offline

Checked October 2, 2026

Checked September 24, 2026

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