| Price from | $25/mo | $29/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | — | Yes |
| macOS | Yes | — |
| API | — | Yes |
| Plans published | 3 | 5 |
| Spec score · AI Email Writing Tools | 8.2 (#9) | 8.3 (#7) |
| Data use | Demi says it does not use customer data to train models and that its AI vendors use zero-retention terms. | Flailo says it does not sell user data, use it to train AI models, or share it with advertisers. |
| Security | Demi says it is SOC 2 Type II compliant, Google-verified, and assessed at CASA Tier 2, with data encrypted in transit and at rest. | The privacy policy says user data is stored with Supabase in AWS EU-West, encrypted at rest with AES-256 and in transit with TLS 1.2+, and SMTP passwords use AES-256-GCM. |
| Support | Support is available by email at [email protected], with replies within two business days and sooner if work is blocked. | The Business plan lists priority support, while Enterprise includes a dedicated Slack channel with a guaranteed 2-hour response time. |
