Comparison

Fly.io vs Hetzner

Fly.io and Hetzner both land on Depends.

Fly.io

Depends

Confidence: Low

Buy if your engineering team needs secure, globally deployed VMs for real apps or AI agents and can handle infra itself.

Depends

Confidence: Low

Buy if you're technical and want maximum raw compute per euro in GDPR-compliant German data centers.

Fly.io versus Hetzner
Compare	Fly.io	Hetzner
Verdict	Depends	Depends
Best for	Engineering teams running real apps	Technical teams wanting cheap raw compute
Who it's not for	Non-technical founders wanting hands-off hosting	Non-technical buyers wanting fully managed hosting
Privacy	No known public vulnerabilities found in the sources reviewed.^¹	No known public vulnerabilities found in the sources reviewed.^²
Support quality	No support evidence found	No support claims or reviews in evidence.
Public sentiment	No independent user reviews were found in the sources reviewed.^¹	No independent user reviews were found in the sources reviewed; all claims come from Hetzner's own marketing pages.^²
Biggest gotcha	Guess: usage-based billing can spike fast; no pricing appeared in reviewed sources, so model costs first^⁵	Expect unmanaged servers: the page sells hardware and price, not hands-on help.^²