App platforms

Fly.io vs Railway

Choose Fly.io when latency and region placement are the reason you are not on a single host. Choose Railway when you want a repo deployed as a small service, with the database in the same project, and you can tolerate usage billing.

Fly.io

Run apps close to users on a global edge

Usage-based

Strengths

  • Machines can run in many regions
  • Fits latency-sensitive APIs

Limits

  • The bill is usage-based, so it is harder to cap
  • You still manage app config and regions

Vendor pricing Alternatives

Railway

Deploy a small service from a repo with little setup

Usage-based

Strengths

  • Fast path from a repo to a running service
  • Databases and apps live in one project

Limits

  • Usage billing can jump when a service stays busy
  • Less control than a VPS

Vendor pricing Alternatives