End-to-end encrypted, AI-native, self-hostable. Built for legal, financial, healthcare, and sovereign sectors where data residency, privileged communication, and auditable control are not optional.
| Product | Encryption | AI-native | Self-destruct | Self-host | Price |
|---|---|---|---|---|---|
| Gmail Google Workspace | – | ✓Gemini | – | – | Free · $6–18/user ad-supported |
| ProtonMail Proton AG | ✓ | – | ~Basic | – | $4–13 / user / month |
| Tutanota Tuta Mail | ✓ | – | – | – | $3–8 / user / month |
| Superhuman Superhuman Labs | – | ✓ | – | – | $30 / user / month |
| Virtru Secure Mail | ✓ | – | ✓ | ~Hybrid | $5–20 / user / month |
| Voris VertexElite | ✓ | ✓Vertex AI | ✓ | ✓ | Enterprise · From $15 / seat |