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Databases · head to head

Aiven vs Couchbase

Aiven logo

Aiven

Databases

Fully managed open source data infrastructure cloud

From
Free
Rated
-
Full reviewWebsite
Couchbase logo

Couchbase

Databases

The modern database for enterprise applications

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Aiven the free plan gives 1 VM with 1 CPU, 1 GB RAM and 1 GB storage, and cannot pick a specific cloud or region; Couchbase the free tier is a single node with 8 GB of storage and forum support only
  • They diverge on capability: Aiven covers Multi-cloud Support, Couchbase covers JSON Document Model.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Aiven and Couchbase actually diverge.

Attributes where Aiven and Couchbase differ
AttributeAivenCouchbase
Pricing modelusage-basedfreemium
PlatformsWeb, Aws, Azure, Gcp, DoLinux, Windows, Mac, Docker, Web
Founded20162011

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Databases).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Aiven

  • Multi-cloud Support
  • Automated Backups
  • Seamless Upgrades
  • VPC Peering
  • End-to-end Encryption
  • Compliance
  • Observability
  • PostgreSQL

Only in Couchbase

  • JSON Document Model
  • SQL++ Query
  • Full-text Search
  • Eventing
  • Analytics
  • Mobile Sync
  • Multi-dimensional Scaling
  • Spark

Both cover

  • Kafka
  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Aiven

  • Running managed open source databases without operating themnot Couchbase
  • Multi-cloud deployment across AWS, Google Cloud, Azure, DigitalOcean, OVH and UpCloudnot Couchbase
  • Highly available data services with automatic failovernot Couchbase
  • Prototyping on a small free instance before scaling upnot Couchbase

Couchbase

  • Running a distributed NoSQL document database as a managed servicenot Aiven
  • Mobile sync and offline first applications backed by a cloud databasenot Aiven

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Aiven

  • The free plan gives 1 VM with 1 CPU, 1 GB RAM and 1 GB storage, and cannot pick a specific cloud or region
  • Free and Developer tiers have no integrations and no connection pooling
  • Connection pooling, database forks and dynamic disk sizing need the Business or Premium plan
  • A 99.99 percent uptime SLA starts at the Startup plan from $75 a month
  • High availability with automatic failover starts at Business from $180 a month

Couchbase

  • The free tier is a single node with 8 GB of storage and forum support only
  • Node rates are hourly and quoted as starting figures, from $0.15 an hour on Basic to $0.49 on Enterprise
  • The Developer Pro and Enterprise plans require 3 nodes, so the hourly rate multiplies before any usage
  • Backup storage is billed separately at $0.07 per GB a month, and analytics backups at $0.14
  • Support response time is a plan feature, at 8 hours on Developer Pro against 30 minutes on Enterprise
  • AI and analytics run as separately priced planes at up to $0.86 an hour per node

Pricing, plan by plan

Aiven

Free
  • Free TrialFree
    • $300 credits
    • 30 day trial
    • All services
  • Startup$19/month
    • Single node
    • Basic support
    • Daily backups

Couchbase

Free
  • CommunityFree
    • Full features
    • Community support
    • Self-managed
  • Capella FreeFree
    • Managed service
    • Limited resources
    • Cloud hosted

Which should you pick?

Choose Aiven if

  • You need multi-cloud support.
  • You want to start without paying.
  • You work on Web, Aws, Azure, Gcp, Do.
  • You also want automated backups.
Aiven review

Choose Couchbase if

  • You need json document model.
  • You want to start without paying.
  • You work on Linux, Windows, Mac, Docker, Web.
  • You also want sql++ query.
Couchbase review

Questions people ask

Is Aiven or Couchbase better?
Neither clearly leads. Aiven starts at Free and Couchbase at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Aiven or Couchbase?
Aiven starts at Free and Couchbase at Free.
Does Aiven or Couchbase run on more platforms?
Aiven runs on Web, Aws, Azure, Gcp, Do. Couchbase runs on Linux, Windows, Mac, Docker, Web.
Can I use Aiven for free?
Both have a free tier, so you can try either at no cost before committing.
What is Aiven best used for?
Aiven is most often used for running managed open source databases without operating them, multi-cloud deployment across aws, google cloud, azure, digitalocean, ovh and upcloud, highly available data services with automatic failover, prototyping on a small free instance before scaling up. Of those, running managed open source databases without operating them and multi-cloud deployment across aws, google cloud, azure, digitalocean, ovh and upcloud are not what Couchbase is typically brought in for.
What can Aiven do that Couchbase cannot?
Aiven covers Multi-cloud Support, Automated Backups, Seamless Upgrades, VPC Peering. Couchbase covers JSON Document Model, SQL++ Query, Full-text Search, Eventing. Both handle Kafka, Web support.

Answered from the vendors’ own pages

Aiven: What does Aiven's free tier include and does it have any time limit?

The free tier includes PostgreSQL with 1 VM, 1 CPU, 1 GB RAM, and 1 GB storage with access to limited cloud and region selections. There are no time limitations on the free tier, though Aiven reserves the right to shut down accounts that violate policies or remain unused for extended periods.

Source
Couchbase: Does Couchbase offer a free tier?

Yes, Couchbase offers a free tier option. Users can start for free from the main website.

Source
Aiven: How is Aiven billed and what are the monthly costs for each tier?

Aiven bills services by the hour and invoices monthly, charging only for what you actually run. PostgreSQL pricing starts at 5 dollars per month for Developer, 12 dollars per month for Hobbyist, 75 dollars per month for Startup, 180 dollars per month for Business, and 270 dollars per month for Premium. All paid tiers offer hourly billing options as well.

Source
Couchbase: How do I access Couchbase pricing details?

Couchbase maintains a dedicated pricing page, but detailed tier information and costs are not available on the homepage. You can visit the pricing page or contact their sales team.

Source
Aiven: What backup retention periods are included at different Aiven tiers?

Backup retention increases with tier level: Startup tier provides 2 days of backup retention, Business tier offers 14 days, and Premium tier includes 30 days. Point-in-time restore is available on all paid tiers.

Source
Aiven: Is high availability included in Aiven pricing or charged separately?

High availability, backups, and routine maintenance are all included in the tier costs with no separate charges. The Business tier includes 2 VMs with automatic failover, and Premium includes 3 VMs with a second standby node.

Source
Aiven: Does Aiven offer a trial period to test premium features?

Aiven offers a 30-day free trial to access premium features beyond what the free plan provides.

Source
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