| Price from | $20/mo | — |
| Free plan | — | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | — |
| Windows | — | Yes |
| macOS | Yes | Yes |
| Linux | — | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| Plans published | 3 | 1 |
| Spec score · AI Email Assistants | 8.3 (#10) | 7.8 (#27) |
| Headquarters | Zürich, Switzerland | Wyoming, USA |
| Product | Kai describes itself as an AI executive assistant that tracks email, meetings, and direct messages and follows up on commitments. | Pontius combines a native email app, Pontius Desk, with a command-line tool for AI-assisted email management. |
| Security | Morgen says it uses access controls, authentication, transport encryption, monitoring, rate limiting, logging, least-privilege access, and vendor security reviews. | Passwords are stored in the operating system keychain, and cross-device sync data is encrypted with AES-256 before leaving the device. |
| Support | Morgen lists Intercom as a provider for customer support and user communication, and the site provides a contact page. | The maker directs users with setup questions to its setup guide or contact page. |
