Aivenvs
IONOS
On our sovereignty score, IONOS leads (80 vs 66). Both are European Cloud & hosting providers – which fits better depends on your priorities below.
Score comparison
| Aiven | IONOS | |
|---|---|---|
| Sovereignty | 66 | 80 |
| Privacy | 74 | 75 |
| Open Source | 45 | 10 |
| Business fit | 86 | 80 |
| Migration ease | 62 | 62 |
| Pricing transparency | 78 | 80 |
| Enterprise readiness | 86 | 78 |
Features & facts
| Aiven | IONOS | |
|---|---|---|
| Country | Finland | Germany |
| Open Source | No | No |
| Self-Hosting | No | No |
| Cloud/SaaS | Yes | Yes |
| EU data residency | Yes | Yes |
| DPA / AV-Vertrag | Yes | Yes |
| ISO 27001 | Yes | Yes |
| Data location | EU regions selectable; runs on AWS/Azure/Google Cloud | Germany/EU (including Frankfurt, Berlin) |
| From | on request | 1 € / Monat |
| Founded | 2016 | 1988 |
Aiven
Finland
Finnish managed platform for open-source databases (PostgreSQL, Kafka, ClickHouse) – EU regions selectable, but runs on hyperscalers.
Strengths
- European company (Finland) focused on open-source data tech
- Managed PostgreSQL, Kafka, ClickHouse, OpenSearch and more
- Portable open-source technologies without vendor lock-in
- EU regions selectable, ISO 27001 and SOC 2 per the provider
Weaknesses
- Runs on US hyperscalers (AWS/Azure/GCP) – not sovereign infrastructure
- Platform itself is not open source, no self-hosting of Aiven
- Additional US locations
IONOS
Germany
Large German hosting and cloud provider with a broad offering from web hosting to enterprise cloud.
Strengths
- Very broad product portfolio, low-cost entry
- European data centers, ISO 27001-certified
- Sovereign offerings for the public sector
Weaknesses
- Product variety can feel confusing
- Parts of the infrastructure run in Equinix data centers
- Cloud platform is less developer-centric than Scaleway/Hetzner
Choose Aiven if…
- Developer teams wanting managed open-source databases
- Teams needing an EU region without running their own DB
- Organisations avoiding database vendor lock-in
Choose IONOS if…
- SMEs that want hosting and cloud from a single source
- Organizations that need sovereign offerings
Scores are editorial orientation, not legal advice. Details are based on public provider information and are not independently verified.