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HushmailAster Mail
Paid

Paid plans for practices, businesses and personal use.

 Freemium

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

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

Checked September 24, 2026

Checked October 2, 2026

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