Kai vs Metis Mail
Kai
hirekai.aiMetis Mail
trymetis.emailSide by side
| Figure | Kai | Metis Mail |
|---|---|---|
| Price from | $20/mo | $9.58/mo |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | Yes |
| Web | Yes | Yes |
| macOS | Yes | — |
| iOS | Yes | — |
| Android | Yes | — |
| API | — | Yes |
| Self-hosted | — | Yes |
| Plans published | 3 | 8 |
| Spec score · AI Email Assistants | 8.3 (#10) | 8.8 (#5) |
| Headquarters | Zürich, Switzerland | Akola, Maharashtra, India |
| Product | Kai describes itself as an AI executive assistant that tracks email, meetings, and direct messages and follows up on commitments. | Metis Mail is an open-source email client with an AI agent for Gmail, Microsoft Outlook/Microsoft 365, and Zoho Mail. |
| Security | Morgen says it uses access controls, authentication, transport encryption, monitoring, rate limiting, logging, least-privilege access, and vendor security reviews. | The service requires TOTP two-factor authentication before a mailbox is reachable, supports password or magic-link sign-in, and enforces per-workspace data isolation. |
| Support | Morgen lists Intercom as a provider for customer support and user communication, and the site provides a contact page. | The self-hosted plan lists community support on GitHub, while Workspace includes priority support and SSO on request. |
Plans
Metis Mail
- Open sourceFree
- Cloud Pro$12 a month
- Workspace$20 a month
- Cloud Pro (annual)$115 a year
- Cloud Pro annual$115 a year
- Workspace (annual)$192 a year
- Workspace annual$192 a year
- EnterprisePriced on request
In their own words
Metis Mail
Metis Mail has no write-up on Specifiction yet; its figures are above.