Severalnines
Depends
Confidence: Low
Buy if you run many open-source databases across hybrid, on-prem, or air-gapped environments with a real ops team.
Comparison
Severalnines vs Aiven
Severalnines and Aiven both land on Depends.
Aiven
Depends
Confidence: Medium
Buy it if you run serious multi-service data infrastructure . Kafka plus databases across clouds . and want it managed.
| Compare | Severalnines | Aiven |
|---|---|---|
| Verdict | Depends | Depends |
| Best for | Teams running many open-source databases across hybrid environments | Teams running Kafka plus databases across clouds |
| Who it's not for | Solo founders or small teams with one or two managed cloud databases | Anyone needing just one small database |
| Privacy | No known public vulnerabilities found in the sources reviewed.¹ | Active security program . TLS enforcement, DPA, compliance pages and published CVE advisories; no breaches reported in reviewed sources.10 |
| Support quality | No user evidence found | No user review evidence found |
| Public sentiment | No independent user reviews were found in the sources reviewed. | G2 reviewers praise simplicity and breadth, while Reddit threads debate whether it beats cheaper native cloud or Supabase options.² |
| Biggest gotcha | Pricing hidden behind trial and sales; no tiers published on reviewed pages14 | Hourly per-service billing multiplies quickly across Kafka, databases and tiers⁷ |
Pick Severalnines when
- Teams running many open-source databases across hybrid environments
- Air-gapped or compliance-heavy shops
- Service providers launching managed DBaaS (CCX)
- Platform teams standardizing Postgres, MySQL, MongoDB ops
When Severalnines is not a fit
- Solo founders or small teams with one or two managed cloud databases
- Anyone wanting published pricing before talking to sales
- Non-technical teams wanting zero-ops database hosting
- Shops already comfortable inside AWS RDS or Cloud SQL
Pick Aiven when
- Teams running Kafka plus databases across clouds
- Data engineering teams wanting managed open source
- Multi-cloud shops avoiding single-vendor lock-in
- Realtime/AI data pipelines
When Aiven is not a fit
- Anyone needing just one small database
- Single-cloud teams . native RDS or Cloud SQL is simpler
- Non-technical teams wanting zero ops
- Tiny projects . cheaper free tiers exist elsewhere
Sources
- Severalnines Product Security Pageseveralnines.comsecurity
review
review
- Aiven . official siteaiven.ioofficial
- Aiven Plans and Pricingaiven.ioofficial
official
- How Much Did Aiven Raise? | Clayclay.comnews
- Aiven Revenue 2025 | GetLatkagetlatka.comnews
- Aiven for PostgreSQL Reviews | SoftwareAdvicesoftwareadvice.comreview
- severalnines.comseveralnines.comreview