IONOS vs STACKIT: Kubernetes Cost Comparison (2026)
IONOS is 13% cheaper than STACKIT for a 3-node Kubernetes cluster (€96 vs €110/mo)
The 3-node cost gap is 13% (€14/mo) in IONOS's favour. At 6 nodes, STACKIT actually becomes cheaper — worth considering if you plan to scale to HA. For outbound traffic, STACKIT is more cost-effective: unlimited egress vs paid. IONOS provides a free control plane; STACKIT charges €74.63/mo for the managed control plane. Choose IONOS for cost-efficient Kubernetes on a budget; choose STACKIT for lower egress costs at scale.
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 IONOS | STACKIT | |
|---|---|---|
| HQ / Country | Germany | Germany |
| Managed Kubernetes | Yes | Yes |
| Control Plane Cost | Free | €74.63/mo |
| Cheapest Node | €32.12/mo 2 vCPU, 4 GB RAM | €11.91/mo 2 vCPU, 2 GB RAM |
| 3-Node Cluster* | ~€96.36/mo | ~€110.36/mo |
| 6-Node HA Cluster* | ~€192.72/mo | ~€146.09/mo |
| Egress | €0.050/GB | Unlimited |
| S3 Storage | €0.015/GB | €0.006/GB |
| Certifications | ISO27001 | ISO27001, ISO27017, ISO27018, C5, SOC2 |
| 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, STACKIT as of May 2026.
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