Pyo vs Fly.io
Services, databases and cron jobs from one dashboard, on servers you own. Pyo is open source, and free to run for as many services as your servers can hold.
| Feature | Pyo | Fly.io |
|---|---|---|
| Hosting | ||
| Runs on your own servers | Yes: A VPS, dedicated server or homelab | No: Fly.io's cloud only |
| Open source | Yes: Apache 2.0 | No: Proprietary platform, open-source CLI |
| Free to use | Yes: You only pay for your servers | No: Paid by usage, no free plan |
| Runs on any provider | Yes: Or several at once | No: Fly.io only |
| Your data on your hardware | Yes: Yes | No: On Fly.io's infrastructure |
| Deploying | ||
| Deploy from Git | Yes: On every push | Partly: Through a GitHub Actions workflow you add |
| Deploy any container image | Yes: Yes | Yes: Yes |
| Zero-downtime deploys | Yes: With 2 or more replicas | Yes: Rolling, canary or blue-green |
| One-click rollback | Yes: To any earlier version | Partly: Redeploy an earlier image from the CLI |
| Automatic rollback | Yes: A failed deploy undoes itself | Partly: Failed checks stop the deploy |
| Cron jobs | Yes: With run history and failure alerts | Partly: Machines that run hourly, daily, weekly or monthly |
| Health checks | Yes: HTTP, TCP or command | Yes: HTTP or TCP |
| Scaling | ||
| Services move if a server fails | Yes: Stateless services, automatically | No: Run 2 or more Machines, or a standby |
| Autoscaling | Yes: On CPU and memory, from min to max | Yes: Start and stop on requests, or scale by a metric |
| Choose where services run | Yes: By location, tag or server | Partly: By Fly.io region |
| Add your own servers | Yes: Over Tailscale, from anywhere | No: Fly.io's infrastructure only |
| Networking | ||
| Custom domains and HTTPS | Yes: Automatic certificates | Yes: Yes |
| Private networking | Yes: Between services, and over Tailscale | Yes: Between apps, and over WireGuard |
| Traffic | ||
| Web application firewall | Yes: OWASP and custom rules, off by default | Partly: Through partner extensions |
| Observability | ||
| Analytics | Yes: Built in, no script to add | Partly: Request metrics in managed Grafana |
| CPU and memory metrics | Yes: Servers and services, no Prometheus | Yes: In managed Grafana |
| Live logs | Yes: Yes | Yes: Yes |
| Terminal into a service | Yes: From the dashboard | Yes: Over SSH, from the CLI |
| Security | ||
| Encrypted secrets | Yes: A separate key for each team | Yes: Yes |
| External secret stores | Yes: Vault, OpenBao, Infisical, AWS, GCP, Azure and Doppler | No: Set with the CLI or API |
| Team roles | Yes: On every install | Partly: Admin or member |
| Automation | ||
| CLI | Yes: Yes | Yes: Yes |
| API | Yes: Yes | Yes: Yes |
| MCP for AI assistants | Yes: 131 tools, covering the whole API | Partly: Experimental, in the CLI |
Based on Fly.io's public docs, checked November 9, 2026. Features and plans change, so check their site for the latest. Fly.io is a trademark of its owner. Pyo isn't affiliated with or endorsed by Fly.io.
Get Pyo running on your server
Run Pyo on any machine, from your laptop or VPS to a dedicated server or homelab.
curl -fsSL https://pyo.dev/install.sh | bash