vioscaleAI
Comparison

Apache Cassandra vs MongoDB

On the evidence we track, MongoDB leads this comparison with a composite score of 76/100. 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 →
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Apache Cassandra52
★MongoDB76
Score
vioscaleAI score
Apache Cassandra52 / 100low · 40%
MongoDB76 / 100medium · 71%
Pricing
Free tier
Apache Cassandra✓
MongoDB✓
Model
Apache Cassandraopen_source
MongoDBfreemium
Price level
Apache Cassandrafree
MongoDBmid
Starting price
Apache Cassandra–
MongoDB$56.94
Transparent
Apache Cassandra–
MongoDB✓
Integrations
Count
Apache Cassandra17
MongoDB6
Security
Certifications
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 Cassandra4.6
MongoDB4.8
Soc2
Apache Cassandra–
MongoDB✓
Trust center
Vulnerabilities
Reliability
Sla pct
Apache Cassandra–
MongoDB99.99
Status page
Apache Cassandra–
MongoDB✓
Adoption
Dependent repos
Apache Cassandra0
MongoDB8
Github stars
Apache Cassandra10,112
MongoDB28,614
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
Apache Cassandra–
MongoDBAvailable worldwide
Content
Faq
Apache Cassandra6 items
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

A free distributed database system that automatically distributes data across machines and data centers, providing resilience against node and data center failures.

Independently observed

MongoDB

Leader

MongoDB is a fully managed cloud database that uses flexible document-based storage and supports complex queries, analytics, and advanced search capabilities including vector and full-text search functionality.

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 source
as of verify ↗

MongoDB

Leader
from $56.94/moHybridFree tier

Free tier (512MB), Flex from $8–$30/month, Dedicated from $56.94/month

  • Free (M0)Free
    • 512MB storage
    • 32MB sort memory
    • 100 ops/sec
    • shared vCPUs
    • replica set
  • Flex Clusters$8–$30/month based on usage
    • hourly billing
    • monthly invoices
  • Dedicated ClustersFrom $56.94/month
    • dedicated resources
    • auto-scaling
    • horizontal scaling via sharding
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

26 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
  • DBeaver
  • Apache NiFi
  • JanusGraph
  • Stargate
  • K8ssandra
  • +2 more
Independently observed

MongoDB

Leader
12 total
  • Vertex AI
  • BigQuery
  • Datastream
  • Google Kubernetes Engine
  • Looker
  • Apigee
  • Apache Kafka
  • Google Vertex AI
  • Google Cloud BigQuery
  • Google Cloud Datastream
  • Google Cloud Functions
  • Kubernetes
Independently observed
Still deciding?

Apache Cassandra or MongoDB: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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