vioscaleAI
Comparison

Fly.io vs Hetzner Cloud

On the evidence we track, Fly.io leads this comparison with a composite score of 71/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Fly.io full profile →Hetzner Cloud full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Fly.io71
Hetzner Cloud41
Score
vioscaleAI score
Fly.io71 / 100medium · 63%
Hetzner Cloud41 / 100medium · 53%
Pricing
Free tier
Fly.io✓
Hetzner Cloud–
Model
Fly.iocommercial
Hetzner Cloudcommercial
Price level
Fly.iounknown
Hetzner Cloudunknown
Transparent
Fly.io✗
Hetzner Cloud✓
Integrations
Count
Fly.io4
Hetzner Cloud5
Security
Certifications
Fly.io–
Hetzner CloudC5 (BSI)
Gdpr
Fly.io–
Hetzner Cloud✓
Hipaa
Fly.io✓
Hetzner Cloud–
Iso27001
Fly.io✓
Hetzner Cloud✓
Soc2
Fly.io✓
Hetzner Cloud–
Trust center
Reliability
Sla pct
Fly.io99.9
Hetzner Cloud99.9
Status page
Fly.io✓
Hetzner Cloud–
Market
Availability
Content
Faq
Fly.io7 items
Hetzner Cloud–

Features

The capabilities each product documents. These tools do not share a category taxonomy, so this aligns what each vendor states rather than a normalised feature set.

Declared feature comparison
FeatureFly.ioHetzner Cloud
Autoscalinghorizontal-
Build systemdockerfile-
Cli and api✓-
Container deploy✓-
Custom domains tls✓-
Env secrets✓-
Hostingcloud-
Managed databases✓-
Regionsmulti-
Rollbacks✓-
RuntimesDocker containers, Node.js, Deno, and other containerized runtimes-

What each one is

The product in its own terms, so the numbers below have context.

Fly.io

Leader

A cloud service offering hardware-isolated Linux virtual machines optimized for running AI agents and tools, featuring persistent storage, checkpoint and rollback capabilities, and API gateway-based credential management.

Independently observed

Hetzner Cloud

A cloud hosting service offering shared and flexible computing resources for development, testing, and small-to-medium workloads, with API and CLI access for automation and infrastructure management.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Fly.io

Leader
from $29/moUsage-based

Usage-based pricing (pay-as-you-go) with optional prepayment for 40% discount. Serious Support from $29/month. HIPAA compliance at $99/month. Enterprise available via contact.

  • Pay-as-You-GoPay only for what you use
    • Micro VMs
    • Persistent storage
    • Private networking
    • Unlimited users per organization
  • Serious SupportStarting at $29/month
    • Dedicated support team
  • HIPAA Compliance$99/month
    • HIPAA-compliant workloads
    • BAAs
    • SOC2 certification
  • Machine ReservationSave 40% with upfront commitment
    • 40% discount vs pay-as-you-go
  • EnterpriseContact sales
    • Custom resource configurations
    • SLA requirements
    • Emergency support
as of verify ↗

Hetzner Cloud

Subscription
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Fly.io✗
Hetzner Cloud✓
CLI
Fly.io✓
Hetzner Cloud✓
Deployment
Cloud / SaaS
Fly.io✓
Hetzner Cloud✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Fly.io

Leader
9 total
  • Sentry
  • Supabase
  • Upstash
  • LiteFS
  • Tigris
  • OpenRouter
  • GitHub
  • Slack
  • HTTP API
Independently observed

Hetzner Cloud

5 total
  • Python
  • Go
  • Ansible
  • Terraform
  • Kubernetes
Independently observed
Still deciding?

Fly.io or Hetzner Cloud: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.