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Cassandra vs Telegram

Cassandra logo

Cassandra

Software

Manage massive amounts of data with linear scalability

From
Free
Rated
-
Full reviewWebsite
Telegram logo

Telegram

Software

Pure instant messaging — simple, fast, secure, and synced across all your devices

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Cassandra no support for joins across tables; Telegram end-to-end encryption applies only to Secret Chats; private and group Cloud Chats use server-client encryption, so Telegram holds the data
  • They diverge on capability: Cassandra covers Linear Scalability, Telegram covers Cloud-based messaging.

Where they differ

Only the attributes on which Cassandra and Telegram actually diverge.

Attributes where Cassandra and Telegram differ
AttributeCassandraTelegram
Pricing modelUnknownfreemium
PlatformsLinux, macOS, Windows, Docker, KubernetesWeb, Windows, Macos, Linux, Ios, Android
Founded20082013

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 Telegram

  • Cloud-based messaging
  • End-to-end encryption
  • Self-destructing messages
  • Large group chats
  • Voice and video calls
  • Bot platform
  • Channels and broadcasts
  • Cross-platform sync

Both cover

  • Windows support

What people use each for

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

Cassandra

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

Telegram

  • Group messaging and large channels with files of any type and sizenot Cassandra
  • Private device-bound conversations with self-destructing messagesnot Cassandra
  • Running bots and broadcast channels for an audiencenot 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

Telegram

  • End-to-end encryption applies only to Secret Chats; private and group Cloud Chats use server-client encryption, so Telegram holds the data
  • Secret Chats are device-specific and are not part of the Telegram cloud, so they can only be read on the device they started on
  • Logging out destroys all of your Secret Chats
  • The Secret Chat self-destruct timer applies only to messages sent after the timer is set and has no effect on earlier messages
  • Telegram states screenshot detection cannot be guaranteed on some Android and Windows Phone devices, so screenshots of Secret Chats can be taken silently
  • Messages cannot be forwarded out of Secret Chats
  • The self-destruct timer in cloud chats covers media only, not text

Pricing, plan by plan

Cassandra

Free

No published plan breakdown. See the Cassandra review.

Telegram

Free
  • FreeFree
    • Unlimited messages
    • 2GB file sharing
    • Group chats up to 200K members
  • Telegram Premium$4.99/month
    • Everything in Free
    • 4GB file uploads
    • Faster downloads

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.
Cassandra review

Choose Telegram if

  • You need cloud-based messaging.
  • You want to start without paying.
  • You work on Web, Windows, Macos, Linux, Ios, Android.
  • You also want end-to-end encryption.
Telegram review

Questions people ask

Is Cassandra or Telegram better?
Neither clearly leads. Cassandra starts at Free and Telegram at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cassandra or Telegram?
Cassandra starts at Free and Telegram at Free.
Does Cassandra or Telegram run on more platforms?
Cassandra runs on Linux, macOS, Windows, Docker, Kubernetes. Telegram runs on Web, Windows, Macos, Linux, 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 Telegram is typically brought in for.
What can Cassandra do that Telegram cannot?
Cassandra covers Linear Scalability, Fault Tolerance, Multi-datacenter Replication, Tunable Consistency. Telegram covers Cloud-based messaging, End-to-end encryption, Self-destructing messages, Large group chats. Both handle Windows support.

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
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
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
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
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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