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Cloud · head to head

Contabo vs K3s

Contabo logo

Contabo

Cloud

Affordable high-performance VPS hosting

From
€4.5/month
Rated
-
Full reviewWebsite
K3s logo

K3s

Cloud

Lightweight certified Kubernetes distribution in a single binary

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only K3s has a free tier, so it costs nothing to try first.
  • Each has a real cost: Contabo fully unmanaged infrastructure requires all setup and maintenance by customer; K3s the SQLite default is single-server only; highly available control planes need etcd or an external datastore, which removes much of the simplicity
  • They diverge on capability: Contabo covers VPS Hosting, K3s covers Single binary.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Contabo and K3s actually diverge.

Attributes where Contabo and K3s differ
AttributeContaboK3s
Starting price€4.5/monthFree
Pricing modelUnknownOpen source, no licence fee
Free tierNoYes
PlatformsLinux, WindowsLinux, ARM, Self-hosted
Founded2003Unknown

Identical on both: 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 Contabo

  • VPS Hosting
  • Dedicated Servers
  • Object Storage
  • Snapshots
  • DDoS Protection
  • Custom ISO
  • Multiple Locations
  • SSD Storage

Only in K3s

  • Single binary
  • SQLite by default
  • Certified conformant
  • Batteries included
  • Low resource footprint
  • Simple install

What people use each for

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

Contabo

  • Web hostingnot K3s
  • Game serversnot K3s
  • Development environmentsnot K3s
  • VPN serversnot K3s

K3s

  • Kubernetes on edge sites and IoT hardware where full clusters will not fitnot Contabo
  • Development and CI clusters that must start fast and cost nothingnot Contabo
  • Small production clusters where full Kubernetes is more operations than the workload justifiesnot Contabo
  • Teaching and learning Kubernetes without cloud spendnot Contabo

Where each one falls short

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

Contabo

  • Fully unmanaged infrastructure requires all setup and maintenance by customer
  • No formal SLA with financial compensation for downtime violations

K3s

  • The SQLite default is single-server only; highly available control planes need etcd or an external datastore, which removes much of the simplicity
  • Bundled components such as Traefik are opinionated defaults that larger teams often strip out and replace
  • Removed in-tree cloud provider integrations mean cloud-specific features need external controllers
  • Aimed at small and edge clusters, so very large deployments are better served by a standard distribution

Pricing, plan by plan

Contabo

€4.5/month
  • Cloud VPS$4.5/month
    • 4 vCPU
    • 8 GB RAM
    • 100 GB SSD
  • Cloud VDS$39/month
    • Dedicated cores
    • 24 GB RAM
    • 180 GB NVMe
  • Dedicated Server$149/month
    • AMD CPU
    • 64 GB RAM
    • 1 TB NVMe

K3s

Free
  • K3sFree
    • Full functionality
    • No usage limits
    • Community support

Which should you pick?

Choose Contabo if

  • You need vps hosting.
  • You work on Linux, Windows.
  • You also want dedicated servers.
Contabo review

Choose K3s if

  • You need single binary.
  • You want to start without paying.
  • You work on Linux, ARM, Self-hosted.
  • You also want sqlite by default.
K3s review

Questions people ask

Is Contabo or K3s better?
Neither clearly leads. Contabo starts at €4.5/month and K3s at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Contabo or K3s?
K3s has a free tier; the other does not. Paid plans start at €4.5/month for Contabo and Free for K3s.
Does Contabo or K3s run on more platforms?
Contabo runs on Linux, Windows. K3s runs on Linux, ARM, Self-hosted.
Can I use K3s for free?
Yes. K3s has a free tier, so you can try it without paying. Contabo starts at €4.5/month.
What is Contabo best used for?
Contabo is most often used for web hosting, game servers, development environments, vpn servers. Of those, web hosting and game servers are not what K3s is typically brought in for.
What can Contabo do that K3s cannot?
Contabo covers VPS Hosting, Dedicated Servers, Object Storage, Snapshots. K3s covers Single binary, SQLite by default, Certified conformant, Batteries included.

Answered from the vendors’ own pages

Contabo: What is the base pricing for Contabo VPS?

Contabo Cloud VPS starts at EUR 4.50 per month (approximately $4.95 USD) with 4 vCPU cores and 8 GB RAM. Prices scale up to EUR 39+ per month for dedicated performance VPS with higher specs.

Source
K3s: Is K3s free?

Yes. K3s is open source with no licence fee. SUSE sells commercial support around Rancher separately.

Contabo: Does Contabo raise prices at renewal?

No. Unlike many hosting providers, Contabo does not increase renewal prices. The promotional price you get at sign-up is locked in for future renewals.

Source
K3s: Is K3s real Kubernetes?

Yes. It is CNCF-certified conformant, so standard manifests, kubectl and Helm charts work without modification.

Contabo: What data center locations does Contabo offer?

Contabo operates 9 global data center regions including multiple EU locations, US East/Central/West Coast, United Kingdom, India, Singapore, Japan, and Australia.

Source
K3s: Why is K3s smaller than Kubernetes?

It strips legacy, alpha and in-tree cloud provider code, packages everything as one binary, and defaults to SQLite instead of etcd.

Contabo: Does Contabo provide managed services?

No. Contabo VPS is fully unmanaged. You handle all setup, security patching, and system maintenance. Managed hosting adds 2 hours per month of dedicated support for a fee.

Source
K3s: Can K3s run in production?

Yes, and it does, particularly at the edge and for small clusters. For a highly available control plane you need to move off the SQLite default to etcd or an external datastore.

Contabo: What is Contabo's uptime guarantee?

Contabo maintains a 99.996% uptime guarantee across all plans. The platform includes unlimited traffic and free DDoS protection.

Source
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