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MIOSA vs Fly.io
Fly.io runs apps as machines close to your users. MIOSA runs services, computers and sandboxes on one platform. This page compares what each documents.
MIOSA F Fly.io Every competitor statement is from Fly.io’s own public documentation (fly.io/docs, as of 2026-10-23). MIOSA statements link to the page that documents them. Where MIOSA has no equivalent, the row says so.
Workloads
| Capability | MIOSA | Fly.io |
|---|---|---|
| Long-running app from an image or repository | Yes, Services run modes server, worker, cron, static | Yes, apps on Machines |
| Direct control of a VM | Yes, Computers with a full Linux desktop | Yes, Machines |
| Ephemeral code execution | Yes, Sandboxes | Not the documented model; Machines are long-lived by default |
| Config as code | miosa.json / miosa.app.yml | fly.toml |
| Multiple regions | us-east, us-west, us-mia | A wider published region list |
Sources: services, computers, sandboxes, and Fly.io’s Machines and fly.toml reference.
Networking and data
| Capability | MIOSA | Fly.io |
|---|---|---|
| Private networking between a project’s services | Same host today; wider private networking is not generally available | Documented private networking across a region |
| Public address per service | Yes, <label>.<org>.miosa.app, plus custom domains | Yes, *.fly.dev plus certificates |
| Managed Postgres, MySQL, Redis, MongoDB | Yes | Managed Postgres is documented; other engines are run by you |
| Public database endpoint with an allowlist | Yes, TLS only | Connections are documented through your own proxy or app |
Sources: custom domains, databases, public endpoint.
What MIOSA does not have
- Fly.io’s region coverage. Three regions, named above; nothing else is claimed.
- Cross-host private networking between services. Same-host private networking works today.
When to choose each
- Choose Fly.io if you need its region footprint or you already run your networking around it.
- Choose MIOSA if your product also needs sandboxes and agent workloads, a console for customers of your own, or one platform for machines, services and data.