ObsessionDB vs Aiven for ClickHouse

ObsessionDB9.2Visit Aiven for ClickHouse9.0Visit

Higher score ObsessionDB #2 in ClickHouse Hosting 9.2/10 Free plan Free plan✓ 1 of 2 features Visit ObsessionDB

vs

Aiven for ClickHouse #3 in ClickHouse Hosting 9.0/10 30-day trial Free trial✓ 1 of 2 features Visit Aiven

• ObsessionDB fits best

  Developers seeking free ClickHouse hosting

• Aiven for ClickHouse fits best

  Enterprises needing managed ClickHouse with networking

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Side by side

Feature	ObsessionDB 9.2/10 Visit ↗	Aiven for ClickHouse 9.0/10 Visit ↗
At a glance
Editor score	9.2	9.0
Ranking	#2 in ClickHouse Hosting	#3 in ClickHouse Hosting
Best for	Developers seeking free ClickHouse hosting	Enterprises needing managed ClickHouse with networking
Pricing model	Free plan + paid	Paid
Starting price	—	$155/mo
Free plan	✓ (best)	—
Free trial	—	30 days
Deployment	Cloud	Cloud, Self-hosted
Platforms	Web	Web
Support	Email · 24/7	Email, Tickets, Docs
Compliance	GDPR	SOC 2, ISO 27001, GDPR, HIPAA, PCI DSS
Integrations	46+ integrations	6 integrations
Built for	Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features ObsessionDB 1/2 · Aiven for ClickHouse 1/2
Autoscaling	—	—
Private networking	✓	✓
Specs
Deployment model	Managed cluster	Managed cluster
Backup retention	1 days	2 days (best)
Included storage	Not checked yet	100 GB
Cloud regions	2 regions	25 regions (best)
ClickHouse version policy	Not checked yet	Selectable
Our review
Pros	Free tier includes up to 4 vCPU and 8 GB RAM without a card Managed ClickHouse with backups, recovery, monitoring, and private networking Works with standard clients, BI tools, ingestion systems, and AI agents	High availability, sharding, backups, and restore workflows Private connectivity through VPC peering and PrivateLink Terraform, CLI, REST API, and broad data-source integrations
Cons	Paid infrastructure costs vary by compute size, node count, and storage usage Autoscaling is forthcoming rather than currently available Longer backup retention requires a custom plan	No free plan; paid service starts at $155 per service monthly Premium starts at $4,950 per service per month Compute autoscaling is not included as an automatic capability
Our verdict	ObsessionDB is a managed hosting service for ClickHouse workloads, using the official ClickHouse engine rather than a separate query system. It is aimed at developers and teams running real-time analytics and other ClickHouse workloads,… Read the review →	Aiven for ClickHouse is a fully managed service for running ClickHouse analytical database clusters in the cloud. It handles provisioning, maintenance, monitoring, backups, security, and version updates, making it suited to enterprises… Read the review →

Strengths and trade-offs

• ObsessionDB — where it wins

  • Free tier includes up to 4 vCPU and 8 GB RAM without a card
  • Managed ClickHouse with backups, recovery, monitoring, and private networking
  • Works with standard clients, BI tools, ingestion systems, and AI agents

  Where it doesn't

  • Paid infrastructure costs vary by compute size, node count, and storage usage
  • Autoscaling is forthcoming rather than currently available
  • Longer backup retention requires a custom plan

• Aiven for ClickHouse — where it wins

  • High availability, sharding, backups, and restore workflows
  • Private connectivity through VPC peering and PrivateLink
  • Terraform, CLI, REST API, and broad data-source integrations

  Where it doesn't

  • No free plan; paid service starts at $155 per service monthly
  • Premium starts at $4,950 per service per month
  • Compute autoscaling is not included as an automatic capability

• ObsessionDB9.2/10 · Free plan

  A capable free tier for developers who need managed ClickHouse without a fixed paid plan.

  Visit ObsessionDBFull verdict →
• Aiven for ClickHouse9.0/10 · 30-day trial

  Managed ClickHouse with high availability, private networking, and infrastructure automation.

  Visit AivenFull verdict →