Pick Docker if
individual developers who will stay on Personal at $0 while they open a first Containers list, then Pro at $9/user/month yearly ($11 monthly) when they need commercial / advanced Desktop features.
Read the Docker pageDocker vs Fly.io
Our take
Pick Docker if individual developers who will stay on Personal at $0 while they open a first Containers list, then Pro at $9/user/month yearly ($11 monthly) when they need commercial / advanced Desktop features. Pick Fly.io if app teams who will run a first always-on shared-cpu-1x 256 MB Machine at $2.19 / month (iad) plus a 1 GB volume at $0.15, then add a second volume in the same region because Fly does not
Best for
Docker A container table you start at a public $
Fly.io A Machine plus persistent disk you bill by the second
Free plan
Docker $0 · “For individual developers who need the essential tools to build and deploy containers.”
Fly.io $0 · standard $29 / month. Premium $199 / month. Enterprise from $2,500 / month. HIPAA package $99 / month
Lowest paid
Docker Hardened Images / extras $5
Fly.io Network $0.02
Next step up
Docker Pro $9/user/mo
Fly.io Snapshots $0.08
Runs where
Docker Hosted
Fly.io Hosted
Watch out
Docker Personal is the $0 individual tile
Fly.io There is no $0 always-on Machine
Last checked
Docker 2026-10-23 · docker.com/pricing
Fly.io 2026-10-23 · fly.io/pricing
Which one, then?
Pick Fly.io if
app teams who will run a first always-on shared-cpu-1x 256 MB Machine at $2.19 / month (iad) plus a 1 GB volume at $0.15, then add a second volume in the same region because Fly does not replicate disks for you.
Read the Fly.io page