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Software · head to head

Cassandra vs Microsoft Teams

Cassandra logo

Cassandra

Software

Manage massive amounts of data with linear scalability

From
Free
Rated
-
Microsoft Teams logo

Microsoft Teams

Software

Meet, chat, call, and collaborate in just one place

From
Free
Rated
-

The short version

  • Each has a real cost: Cassandra no support for joins across tables; Microsoft Teams resource-heavy application; slow to load and consumes significant CPU/memory compared to alternatives
  • They diverge on capability: Cassandra covers Linear Scalability, Microsoft Teams covers Chat & channels.

Where they differ

Only the attributes on which Cassandra and Microsoft Teams actually diverge.

Attributes where Cassandra and Microsoft Teams differ
AttributeCassandraMicrosoft Teams
Pricing modelUnknownsubscription
PlatformsLinux, macOS, Windows, Docker, KubernetesWeb, Windows, macOS, iOS, Android
Founded20081975

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

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 Cassandra

  • Linear Scalability
  • Fault Tolerance
  • Multi-datacenter Replication
  • Tunable Consistency
  • CQL Query Language
  • Distributed Architecture
  • No Single Point of Failure
  • DataStax

Only in Microsoft Teams

  • Chat & channels
  • Video conferencing
  • Screen sharing
  • File collaboration
  • Office integration
  • Live events
  • Phone system
  • Apps & workflows

What people use each for

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

Cassandra

  • Real-time applicationsnot Microsoft Teams
  • Content managementnot Microsoft Teams
  • User profilesnot Microsoft Teams
  • Mobile backendsnot Microsoft Teams
  • Cachingnot Microsoft Teams

Microsoft Teams

  • Remote meetingsnot Cassandra
  • Team collaborationnot Cassandra
  • Document sharingnot Cassandra
  • Project managementnot Cassandra
  • Webinarsnot Cassandra

Where each one falls short

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

Cassandra

  • No support for joins across tables
  • No ACID transactions across multiple rows
  • Data model must be designed around query patterns upfront, making schema evolution difficult
  • Partition key misconfigurations can cause uneven data distribution and hotspots that degrade performance

Microsoft Teams

  • Resource-heavy application; slow to load and consumes significant CPU/memory compared to alternatives
  • Limited channel structure; maximum of 200 public and 30 private channels per team
  • Cannot invite guest users to specific channels; guest access grants full team visibility
  • Unable to chat during screen sharing; limits real-time collaborative communication
  • Limited customization options for branding and interface; cluttered UX compared to Slack
  • Channels cannot be moved between teams; requires manual replication for reorganization

Pricing, plan by plan

Cassandra

Free

No published plan breakdown. See the Cassandra review.

Microsoft Teams

Free
  • FreeFree
    • Unlimited chat
    • 100 participants in meetings
    • 5GB file storage
  • Microsoft Teams Essentials$4/month
    • 300 participants in meetings
    • 10GB cloud storage
    • Phone & web support
  • Microsoft 365 Business Basic$6/month
    • Everything in Essentials
    • 1TB OneDrive storage
    • Web & mobile Office apps
  • Microsoft 365 Business Standard$12.5/month
    • Everything in Basic
    • Desktop Office apps
    • Webinar hosting

Which should you pick?

Choose Cassandra if

  • You need linear scalability.
  • You want to start without paying.
  • You work on Linux, macOS, Windows, Docker, Kubernetes.
  • You also want fault tolerance.

Choose Microsoft Teams if

  • You need chat & channels.
  • You want to start without paying.
  • You work on Web, Windows, macOS, iOS, Android.
  • You also want video conferencing.

Questions people ask

Is Cassandra or Microsoft Teams better?
Neither clearly leads. Cassandra starts at Free and Microsoft Teams at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cassandra or Microsoft Teams?
Cassandra starts at Free and Microsoft Teams at Free.
Does Cassandra or Microsoft Teams run on more platforms?
Cassandra runs on Linux, macOS, Windows, Docker, Kubernetes. Microsoft Teams runs on Web, Windows, macOS, iOS, Android.
Can I use Cassandra for free?
Both have a free tier, so you can try either at no cost before committing.
What is Cassandra best used for?
Cassandra is most often used for real-time applications, content management, user profiles, mobile backends. Of those, real-time applications and content management are not what Microsoft Teams is typically brought in for.
What can Cassandra do that Microsoft Teams cannot?
Cassandra covers Linear Scalability, Fault Tolerance, Multi-datacenter Replication, Tunable Consistency. Microsoft Teams covers Chat & channels, Video conferencing, Screen sharing, File collaboration.

Answered from the vendors’ own pages

Cassandra: Does Cassandra support joins between tables?

No. Cassandra does not support joins or foreign keys. The data model requires denormalization, meaning data must be duplicated across tables to support different query patterns.

Source
Microsoft Teams: Does Microsoft Teams have a free tier?

Yes. Microsoft Teams offers a free Home tier with unlimited chat, 60-minute group meetings for up to 100 people, 5GB cloud storage, and basic file sharing, though limits are restrictive for growing teams.

Source
Cassandra: Does Cassandra offer ACID transactions?

No. Cassandra provides only row-level atomicity and isolation, not full ACID transactions across multiple rows or tables. It uses lightweight transactions via Paxos for per-row compare-and-set operations.

Source
Microsoft Teams: What are Microsoft Teams' paid plans?

Microsoft Teams Essentials costs $4/user/month (chat, calling, meetings, 10GB storage). Microsoft 365 Business Basic costs $7/user/month (includes desktop Office apps, 1TB storage). Premium plans with Copilot start at $23.50/user/month.

Source
Cassandra: What programming languages can connect to Cassandra?

Cassandra supports official drivers for multiple languages including Python, Java, Node.js, and Go, allowing applications to communicate via the native Cassandra protocol.

Source
Microsoft Teams: What are Microsoft Teams' primary features?

Teams provides real-time chat, video and voice calling, meetings with up to 300 participants, file sharing and storage integration with OneDrive, recording and transcripts, and deep integration with Microsoft 365 apps (Word, Excel, PowerPoint, Outlook).

Cassandra: Can I deploy Cassandra in the cloud?

Yes. Cassandra can run on any cloud platform (AWS, Google Cloud, Azure) via Docker, virtual machines, or managed services like DataStax Astra DB, which provides a fully managed DBaaS option.

Source
Microsoft Teams: What integrations does Teams support?

Microsoft Teams integrates with calendar apps (Outlook, Google Calendar), project management tools (Trello), and works with Zapier for custom workflow automation. Teams also has native connectors to many Microsoft 365 apps and third-party services.

Cassandra: Does Cassandra have a free option?

The open source Apache Cassandra is free. DataStax also offers Astra DB with a free tier providing up to 25GB storage and 25 million read/write operations per month.

Source

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