Fly.io vs Kamal
| Fly.io | Kamal | |
|---|---|---|
| Free plan | No | No |
| Free trial | Yes | No |
| Paid from | $2.19/mo | — |
| Open source | No | No |
| Platforms | api, Linux, Web | Linux, macOS |
| Free plan | No | Yes |
| Paid from | 1.94 /mo | — |
| Deployment targets | Fly Machines, Docker images, Fly Volumes | bare metal, cloud VMs, Docker containers, multiple servers |
| Deployment rollback | Yes | Yes |
| Rollout strategies | — | rolling |
| Self-hosted option | — | Yes |
| Deployment audit log | — | Yes |
Both are listed in Best Deployment Automation Software. On Inferse, Fly.io scores higher on our published basis.