| Price from | $29/mo | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| API | Yes | — |
| Plans published | 5 | 1 |
| Spec score · AI Email Writing Tools | 8.3 (#7) | 7.4 (#24) |
| Purpose | Flailo reads a prospect’s website and generates a personalized cold email with a subject line and body in about 8 seconds. | OpenReply adds AI to Gmail for replying, polishing drafts, or composing emails from scratch. |
| Security | 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. | The maker says browser-to-server data is encrypted with TLS 1.3 and identifies Fly.io hosting, PostgreSQL, JWT authentication, bcrypt password hashing, and Stripe payments. |
| Support | The Business plan lists priority support, while Enterprise includes a dedicated Slack channel with a guaranteed 2-hour response time. | Support is available at [email protected], and the site says inquiries receive a response within 24 hours. |