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Cassandra vs Cloze

Cassandra logo

Cassandra

Software

Manage massive amounts of data with linear scalability

From
Free
Rated
-
Full reviewWebsite
Cloze logo

Cloze

Software

Relationship management for professionals

From
$50/month
Rated
-
Full reviewWebsite

The short version

  • Only Cassandra has a free tier, so it costs nothing to try first.
  • Each has a real cost: Cassandra no support for joins across tables; Cloze four paid tiers run from $17 to $42 per user per month, and each withholds a different set of features rather than simply adding capacity
  • They diverge on capability: Cassandra covers Linear Scalability, Cloze covers Contact management.

Where they differ

Only the attributes on which Cassandra and Cloze actually diverge.

Attributes where Cassandra and Cloze differ
AttributeCassandraCloze
Starting priceFree$50/month
Pricing modelUnknownsubscription
Free tierYesNo
PlatformsLinux, macOS, Windows, Docker, KubernetesWeb, Ios, Android
Founded20082012

Identical on both: 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 Cloze

  • Contact management
  • Communication history
  • Relationship insights
  • Task management
  • Integration aggregation
  • Gmail
  • Outlook
  • LinkedIn

What people use each for

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

Cassandra

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

Cloze

  • CRM that builds contact records automatically from email and calendarnot Cassandra
  • Tracking relationships and follow ups without manual data entrynot 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

Cloze

  • Four paid tiers run from $17 to $42 per user per month, and each withholds a different set of features rather than simply adding capacity
  • Campaign automation, marketing mail and generative AI require the Business Platinum plan at $42 per user per month
  • Lead routing, sub team hierarchies and enterprise controls are Platinum only
  • Even the Business Gold plan at $29 per user excludes the matching engine and lead capture
  • The concierge service is an add on at $20 per user per month with a $500 monthly minimum
  • Every published rate assumes annual billing

Pricing, plan by plan

Cassandra

Free

No published plan breakdown. See the Cassandra review.

Cloze

$50/month
  • Professional$50/month
    • Contact management
    • Communication history
    • Insights
  • Team$100/month
    • Everything in Professional
    • Team collaboration
    • Advanced analytics

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 Cloze if

  • You need contact management.
  • You work on Web, Ios, Android.
  • You also want communication history.
Cloze review

Questions people ask

Is Cassandra or Cloze better?
Neither clearly leads. Cassandra starts at Free and Cloze at $50/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cassandra or Cloze?
Cassandra has a free tier; the other does not. Paid plans start at Free for Cassandra and $50/month for Cloze.
Does Cassandra or Cloze run on more platforms?
Cassandra runs on Linux, macOS, Windows, Docker, Kubernetes. Cloze runs on Web, Ios, Android.
Can I use Cassandra for free?
Yes. Cassandra has a free tier, so you can try it without paying. Cloze starts at $50/month.
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 Cloze is typically brought in for.
What can Cassandra do that Cloze cannot?
Cassandra covers Linear Scalability, Fault Tolerance, Multi-datacenter Replication, Tunable Consistency. Cloze covers Contact management, Communication history, Relationship insights, Task management.

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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