vioscale
Comparison

Apache Cassandra vs MongoDB

On the evidence we track, MongoDB leads this comparison with a composite score of 75/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Apache Cassandra full profile →MongoDB full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Apache Cassandra45
★MongoDB75
Score
Vioscale score
Apache Cassandra45 / 100low · 40%updating
MongoDB75 / 100medium · 71%updating
Pricing
Free tier
Apache Cassandra✓
MongoDB✓
Model
Apache Cassandraopen_source
MongoDBcommercial
Price level
Apache Cassandrafree
MongoDBlow
Transparent
Apache Cassandra–
MongoDB✓
Integrations
Count
Apache Cassandra19
MongoDB7
Security
Disclosure policy
Apache Cassandra–
MongoDB✓
Fedramp
Apache Cassandra–
MongoDB✓
Gdpr
Apache Cassandra–
MongoDB✓
Hipaa
Apache Cassandra–
MongoDB✓
Iso27001
Apache Cassandra–
MongoDB✓
Pci
Apache Cassandra–
MongoDB✓
Scorecard
Apache Cassandra4.8
MongoDB4.7
Soc2
Apache Cassandra–
MongoDB✓
Vulnerabilities
Reliability
Sla pct
Apache Cassandra–
MongoDB99.995
Status page
Apache Cassandra–
MongoDB✓
Adoption
Dependent repos
Apache Cassandra0
MongoDB8
Github stars
Apache Cassandra10,081
MongoDB28,507
Stackoverflow questions
Apache Cassandra–
MongoDB170,000
Activity
Commits last 30d
Apache Cassandra100
MongoDB100
Release
Cadence days
Apache Cassandra–
MongoDB30
License
Spdx
Apache CassandraApache-2.0
MongoDBSSPL-1.0
Language
Primary
Apache CassandraJava
MongoDBC++
Market
Availability
Content
Faq
Apache Cassandra–
MongoDB8 items

Capabilities

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

Core
Data model
Apache CassandraWide-column
MongoDBDocument
Query
Query language
Apache CassandraCQL
MongoDBMQL / document API
Consistency
Consistency
Apache CassandraTunable
MongoDBTunable
Transactions
Transactions
Apache CassandraSingle-item
MongoDBMulti-item ACID
Indexing
Secondary indexes
Apache CassandraYes
MongoDBYes
Scale
Partitioning / sharding
Apache CassandraAutomatic
MongoDBAutomatic
Multi-region
Apache Cassandra✓
MongoDB✓
Replication
Replication topology
Apache CassandraLeaderless
MongoDBPrimary-secondary
Deployment
Hosting
Apache CassandraCloud + self-hosted
MongoDBCloud + self-hosted
Schema
Schema
Apache CassandraEnforced
MongoDBSchemaless
Features
TTL / auto-expiry
Apache Cassandra-
MongoDB✓
Change streams / CDC
Apache Cassandra-
MongoDB✓
Vector / search built-in
Apache Cassandra-
MongoDB✓
Licensing
Licence class
Apache CassandraPermissive OSS
MongoDBSource-available (SSPL/BSL)

What each one is

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

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

MongoDB

Leader

MongoDB is a distributed database platform available as a fully managed cloud service across multiple providers or as a self-hosted deployment. It supports JSON-like documents with flexible schemas, real-time querying, multi-region replication, ACID transactions, and integrated vector search for AI applications.

Independently observed

Pricing

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

Apache Cassandra

Open sourceFree tier
as of verify ↗

MongoDB

Leader
from $0.01/moHybridFree tier

Free tier available. Flex clusters from $8-$30/month. Dedicated clusters from $56.94/month. Enterprise Advanced available via contact sales.

  • FreeFree
    • Free forever
    • 512MB storage
    • Shared RAM and vCPU
  • Flex$0.011/hour (up to $30/month)
    • 5GB storage
    • Shared RAM and vCPU
    • On-demand burst capacity
    • Up to $30/month
  • DedicatedStarts at $56.94/month
    • Dedicated resources
    • Configurable storage and compute
    • M10 through M700 cluster tiers
    • Multiple regions available
  • Enterprise AdvancedContact sales
    • Ops Manager
    • Kubernetes Operator
    • Enterprise security features
    • BI integration
    • Commercial license
    • +1 more
as of verify ↗

Platform & deployment

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

Platforms
Web
Apache Cassandra✗
MongoDB✓
macOS
Apache Cassandra✓
MongoDB✗
Windows
Apache Cassandra✓
MongoDB✗
Linux
Apache Cassandra✓
MongoDB✗
CLI
Apache Cassandra✓
MongoDB✓
Deployment
Cloud / SaaS
Apache Cassandra✓
MongoDB✓
Self-hosted
Apache Cassandra✓
MongoDB✓
On-premise
Apache Cassandra✓
MongoDB✗
Hybrid
Apache Cassandra✓
MongoDB✓

Integrations

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

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

MongoDB

Leader
7 total
  • Vertex AI
  • BigQuery
  • Datastream
  • Google Kubernetes Engine
  • Looker
  • Apigee
  • Apache Kafka
Independently observed

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