IONOS vs metalstack.cloud: Kubernetes Cost Comparison (2026)
IONOS is 95% cheaper than metalstack.cloud for a 3-node Kubernetes cluster (€96 vs €1836/mo)
The 3-node cost gap is 95% (€1740/mo) in IONOS's favour. For outbound traffic, metalstack.cloud is more cost-effective: unlimited egress vs paid. metalstack.cloud charges €216/mo for the control plane, which IONOS provides at no cost. Choose IONOS for cost-efficient Kubernetes on a budget; choose metalstack.cloud for lower egress costs at scale.
 IONOS | metalstack.cloud | |
|---|---|---|
| HQ / Country | Germany | Germany |
| Managed Kubernetes | Yes | Yes |
| Control Plane Cost | Free | €216/mo |
| Cheapest Node | €32.12/mo 2 vCPU, 4 GB RAM | €540.00/mo 16 vCPU, 32 GB RAM |
| 3-Node Cluster* | ~€96.36/mo | ~€1836.00/mo |
| 6-Node HA Cluster* | ~€192.72/mo | ~€3456.00/mo |
| Egress | €0.050/GB | Unlimited |
| S3 Storage | €0.015/GB | €0.976/GB |
| Certifications | ISO27001 | ISO27001 |
| CLOUD Act Exposure | No | No |
* Estimated using cheapest available node. DIY providers include 3 additional control plane nodes. Use the calculator for exact pricing with your specs.
Data freshness: IONOS as of May 2026, metalstack.cloud as of Jun 2026.
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