Comparison

Amazon DynamoDB vs Apache Cassandra

On the evidence we track, Amazon DynamoDB leads this comparison with a composite score of 60/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Amazon DynamoDB full profile →Apache Cassandra full profile →

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★Amazon DynamoDB60

Apache Cassandra45

Attribute comparison across 2 tools
Attribute	Amazon DynamoDBLeader	Apache Cassandra
Vioscale score	60 / 100medium · 72%	45 / 100low · 40%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	freemium	open_source
Price levelpricing.price_level	low	free
Transparentpricing.transparent	✓	-
Integrations
Countintegrations.count	10	19
Security
Disclosure policysecurity.disclosure_policy	✓	-
Fedrampsecurity.fedramp	✓	-
Gdprsecurity.gdpr	✓	-
Hipaasecurity.hipaa	✓	-
Pcisecurity.pci	✓	-
Scorecardsecurity.scorecard	-	4.8
Vulnerabilitiessecurity.vulnerabilities	-	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fapache%2Fcassandra&per_page=100 · Last 12m: 0
Reliability
Sla pctreliability.sla_pct	99.999	-
Status pagereliability.status_page	✓	-
Adoption
Dependent reposadoption.dependent_repos	-	0
Github starsadoption.github_stars	-	10,081
Activity
Commits last 30dactivity.commits_last_30d	-	100
License
Spdxlicense.spdx	-	Apache-2.0
Language
Primarylanguage.primary	-	Java
Market
Availabilitymarket.availability	Available worldwide · HQ US	-

Score

Vioscale score

Amazon DynamoDB60 / 100medium · 72%

Apache Cassandra45 / 100low · 40%

Pricing

Free tier

Amazon DynamoDB✓

Apache Cassandra✓

Model

Amazon DynamoDBfreemium

Apache Cassandraopen_source

Price level

Amazon DynamoDBlow

Apache Cassandrafree

Transparent

Amazon DynamoDB✓

Apache Cassandra–

Integrations

Count

Amazon DynamoDB10

Apache Cassandra19

Security

Disclosure policy

Amazon DynamoDB✓

Apache Cassandra–

Fedramp

Amazon DynamoDB✓

Apache Cassandra–

Gdpr

Amazon DynamoDB✓

Apache Cassandra–

Hipaa

Amazon DynamoDB✓

Apache Cassandra–

Pci

Amazon DynamoDB✓

Apache Cassandra–

Scorecard

Amazon DynamoDB–

Apache Cassandra4.8

Vulnerabilities

Amazon DynamoDB–

Apache CassandraCount: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fapache%2Fcassandra&per_page=100 · Last 12m: 0

Reliability

Sla pct

Amazon DynamoDB99.999

Apache Cassandra–

Status page

Amazon DynamoDB✓

Apache Cassandra–

Adoption

Dependent repos

Amazon DynamoDB–

Apache Cassandra0

Github stars

Amazon DynamoDB–

Apache Cassandra10,081

Activity

Commits last 30d

Amazon DynamoDB–

Apache Cassandra100

License

Spdx

Amazon DynamoDB–

Apache CassandraApache-2.0

Language

Primary

Amazon DynamoDB–

Apache CassandraJava

Market

Availability

Amazon DynamoDBAvailable worldwide · HQ US

Apache Cassandra–

Capabilities

Feature-by-feature on the axes that matter for nosql databases. “-” means undocumented, not absent.

Capability comparison for NoSQL Databases
Capability	Amazon DynamoDB	Apache Cassandra
Core
Data model	Document	Wide-column
Query
Query language	Key API only	CQL
Consistency
Consistency	Strong	Tunable
Transactions
Transactions	-	Single-item
Indexing
Secondary indexes	Yes	Yes
Scale
Partitioning / sharding	Automatic	Automatic
Multi-region	✓	✓
Replication
Replication topology	Active-active	Leaderless
Deployment
Hosting	Cloud only	Cloud + self-hosted
Schema
Schema	Schemaless	Enforced
Features
TTL / auto-expiry	-	-
Change streams / CDC	✓	-
Vector / search built-in	✓	-
Licensing
Licence class	Proprietary	Permissive OSS

Core

Data model

Amazon DynamoDBDocument

Apache CassandraWide-column

Query

Query language

Amazon DynamoDBKey API only

Apache CassandraCQL

Consistency

Amazon DynamoDBStrong

Apache CassandraTunable

Transactions

Amazon DynamoDB-

Apache CassandraSingle-item

Indexing

Secondary indexes

Amazon DynamoDBYes

Apache CassandraYes

Scale

Partitioning / sharding

Amazon DynamoDBAutomatic

Apache CassandraAutomatic

Multi-region

Amazon DynamoDB✓

Apache Cassandra✓

Replication

Replication topology

Amazon DynamoDBActive-active

Apache CassandraLeaderless

Deployment

Hosting

Amazon DynamoDBCloud only

Apache CassandraCloud + self-hosted

Schema

Amazon DynamoDBSchemaless

Apache CassandraEnforced

Features

TTL / auto-expiry

Amazon DynamoDB-

Apache Cassandra-

Change streams / CDC

Amazon DynamoDB✓

Apache Cassandra-

Vector / search built-in

Amazon DynamoDB✓

Apache Cassandra-

Licensing

Licence class

Amazon DynamoDBProprietary

Apache CassandraPermissive OSS

What each one is

The product in its own terms, so the numbers below have context.

Amazon DynamoDB

Leader

A cloud-native database service that scales instantly to handle any workload size while maintaining millisecond response times, requiring no server provisioning or maintenance, with built-in capabilities for AI applications including native vector search and global multi-region replication.

Independently observed

Apache Cassandra

An open-source, distributed NoSQL database that automatically scales across commodity hardware and cloud infrastructure, providing high availability and fault tolerance with no single points of failure and multi-datacenter replication support.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Amazon DynamoDB

Leader

Usage-basedFree tier

Pay-as-you-go model. Free tier available.

as of 2026-08-14verify ↗

Apache Cassandra

Open sourceFree tier

as of 2026-08-14verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	Amazon DynamoDB	Apache Cassandra
WebPlatforms	✓	✗
macOSPlatforms	✗	✓
WindowsPlatforms	✗	✓
LinuxPlatforms	✗	✓
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✗	✓
On-premiseDeployment	✗	✓
HybridDeployment	✗	✓

Platforms

Web

Amazon DynamoDB✓

Apache Cassandra✗

macOS

Amazon DynamoDB✗

Apache Cassandra✓

Windows

Amazon DynamoDB✗

Apache Cassandra✓

Linux

Amazon DynamoDB✗

Apache Cassandra✓

CLI

Amazon DynamoDB✓

Apache Cassandra✓

Deployment

Cloud / SaaS

Amazon DynamoDB✓

Apache Cassandra✓

Self-hosted

Amazon DynamoDB✗

Apache Cassandra✓

On-premise

Amazon DynamoDB✗

Apache Cassandra✓

Hybrid

Amazon DynamoDB✗

Apache Cassandra✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Amazon DynamoDB

Leader

10 total

AWS Lambda
Amazon OpenSearch Service
Amazon SageMaker
Amazon Redshift
Amazon S3 Tables
DynamoDB Accelerator (DAX)
AWS Key Management Service (KMS)
AWS Identity and Access Management (IAM)
AWS CloudWatch
AWS PrivateLink

Independently observed

Apache Cassandra

19 total

Amazon Keyspaces
Azure Cosmos DB
Azure Managed Instance for Apache Cassandra
DataStax Astra
Elassandra
Instaclustr
Docker
DataStax Studio
AxonOps
Cassandra Lucene Index
Elasticsearch
Prometheus
DbVisualizer
Apache Ignite
Ansible
Lagom
EmoDB
FiloDB
CQLAI

Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.