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Cloud · head to head

Hetzner Cloud vs Rook

Hetzner Cloud logo

Hetzner Cloud

Cloud

Affordable cloud servers in Europe

From
Free
Rated
-
Full reviewWebsite
Rook logo

Rook

Cloud

Kubernetes operator that deploys and manages Ceph storage clusters

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Hetzner Cloud cost-Optimized plans are shown as currently unavailable; Rook rook automates Ceph but does not abstract it, so an incident still demands Ceph expertise, and organisations without it end up hiring consultants at exactly the wrong moment.
  • They diverge on capability: Hetzner Cloud covers Cloud servers, Rook covers Ceph operator.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Hetzner Cloud and Rook actually diverge.

Attributes where Hetzner Cloud and Rook differ
AttributeHetzner CloudRook
Pricing modelusage-basedOpen source, no licence fee
PlatformsWeb, Api, CliLinux, Kubernetes
Founded1997Unknown

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Cloud).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Hetzner Cloud

  • Cloud servers
  • Block storage
  • Object storage
  • Load balancers
  • Networks
  • Firewalls
  • Floating IPs
  • Backups

Only in Rook

  • Ceph operator
  • Block, file and object
  • Erasure coding
  • CSI driver
  • Automated upgrades
  • Multi-cluster mirroring

What people use each for

The jobs each tool is most often brought in to do.

Hetzner Cloud

  • Low-cost virtual servers for development and testingnot Rook
  • European hosting with data held in Germany or Finlandnot Rook
  • Workloads with heavy egress, where included traffic mattersnot Rook
  • Self-hosting applications away from the hyperscalersnot Rook

Rook

  • An on-premises Kubernetes platform needing block, shared filesystem and S3 storage without buying three productsnot Hetzner Cloud
  • A team that already runs Ceph and wants its lifecycle managed declaratively inside Kubernetesnot Hetzner Cloud
  • A large cluster where three-way replication overhead is unaffordable and erasure coding is requirednot Hetzner Cloud
  • An organisation building a private cloud that cannot use managed cloud storage services for residency reasonsnot Hetzner Cloud

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Hetzner Cloud

  • Cost-Optimized plans are shown as currently unavailable
  • The shared-resource tiers are positioned for variable usage and development rather than sustained production workloads
  • Regions are limited to Germany, Finland, the United States and Singapore, so latency to other markets is a real constraint
  • The uptime guarantee is 99.9 percent, below what the large hyperscalers offer on comparable services
  • Support is 24/7 by email, without a phone channel

Rook

  • Rook automates Ceph but does not abstract it, so an incident still demands Ceph expertise, and organisations without it end up hiring consultants at exactly the wrong moment.
  • There is no vendor and no SLA; the realistic commercial support routes are IBM Red Hat OpenShift Data Foundation or an independent Ceph consultancy, both of which change the cost picture entirely.
  • Ceph is resource hungry, needing substantial memory and dedicated disks per OSD, so the hardware cost of a properly sized cluster is often underestimated.
  • Recovery and rebalancing after a disk or node failure generates heavy background input and output that can degrade application performance for hours, which surprises teams sizing for steady state.
  • Minimum viable clusters require several nodes with several disks each, so it is impractical at small scale and the entry hardware cost exceeds simpler alternatives.

Pricing, plan by plan

Hetzner Cloud

Free
  • CX11$3.29/month
    • 1 vCPU
    • 1GB RAM
    • 25GB SSD
  • CX21$6.59/month
    • 2 vCPU
    • 4GB RAM
    • 40GB SSD

Rook

Free
  • RookFree
    • Apache 2.0 licensed, no licence fee
    • Graduated CNCF project
    • Community support via GitHub and Slack only

Which should you pick?

Choose Hetzner Cloud if

  • You need cloud servers.
  • You want to start without paying.
  • You work on Web, Api, Cli.
  • You also want block storage.
Hetzner Cloud review

Choose Rook if

  • You need ceph operator.
  • You want to start without paying.
  • You work on Linux, Kubernetes.
  • You also want block, file and object.
Rook review

Questions people ask

Is Hetzner Cloud or Rook better?
Neither clearly leads. Hetzner Cloud starts at Free and Rook at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Hetzner Cloud or Rook?
Hetzner Cloud starts at Free and Rook at Free.
Does Hetzner Cloud or Rook run on more platforms?
Hetzner Cloud runs on Web, Api, Cli. Rook runs on Linux, Kubernetes.
Can I use Hetzner Cloud for free?
Both have a free tier, so you can try either at no cost before committing.
What is Hetzner Cloud best used for?
Hetzner Cloud is most often used for low-cost virtual servers for development and testing, european hosting with data held in germany or finland, workloads with heavy egress, where included traffic matters, self-hosting applications away from the hyperscalers. Of those, low-cost virtual servers for development and testing and european hosting with data held in germany or finland are not what Rook is typically brought in for.
What can Hetzner Cloud do that Rook cannot?
Hetzner Cloud covers Cloud servers, Block storage, Object storage, Load balancers. Rook covers Ceph operator, Block, file and object, Erasure coding, CSI driver.

Answered from the vendors’ own pages

Hetzner Cloud: What types of cloud plans does Hetzner Cloud offer?

Hetzner Cloud offers Shared Resource plans (Cost-Optimized and Regular Performance) for development and testing, and Dedicated Resource plans (General Purpose) for business applications. Plans are available with a price calculator on their website.

Source
Rook: Who supports it in production?

Nobody by default. IBM sells Red Hat OpenShift Data Foundation, which is supported Rook and Ceph, and independent consultancies sell Ceph support. Decide this before deployment.

Hetzner Cloud: What is included with Hetzner Cloud servers?

Every cloud server comes with free one-click apps like Docker, WordPress, Nextcloud, and GitLab. All servers include stateful firewalls at no additional cost, networking capabilities, APIs, and CLI tools.

Source
Rook: Does it need Ceph knowledge?

Yes. Rook handles deployment and routine operations, but troubleshooting a degraded cluster is a Ceph skill and there is no way around it.

Hetzner Cloud: Where are Hetzner Cloud servers located?

Hetzner Cloud servers are available in Germany, Finland, Singapore, and the USA, with data centers in Falkenstein, Nuremberg, Helsinki, Hillsboro (Oregon), Ashburn (Virginia), and Singapore.

Source
Rook: Can it replace an object storage appliance?

Functionally yes, through the RADOS gateway, but you take on the operations that an appliance vendor would otherwise carry.

Hetzner Cloud: What uptime guarantee does Hetzner Cloud provide?

Hetzner Cloud provides an SLA with 99.9% guaranteed uptime and clearly defined credits in case of malfunction. They also offer 24/7 support by email for business-critical workloads.

Source
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