Softwr

CRM & Sales · head to head

Apollo.io vs Cassandra

Apollo.io logo

Apollo.io

CRM & Sales

Revenue intelligence platform

From
Free
Rated
-
Full reviewWebsite
Cassandra logo

Cassandra

Database & Data Management

Manage massive amounts of data with linear scalability

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Apollo.io everything is metered in credits, and the free Starter plan runs on them too, so prospecting volume is capped rather than the feature set; Cassandra no support for joins across tables
  • They diverge on capability: Apollo.io covers Contact database, Cassandra covers Linear Scalability.

Where they differ

Only the attributes on which Apollo.io and Cassandra actually diverge.

Attributes where Apollo.io and Cassandra differ
AttributeApollo.ioCassandra
Pricing modelsubscriptionUnknown
PlatformsWebLinux, macOS, Windows, Docker, Kubernetes
CategoryCRM & SalesDatabase & Data Management
Founded20202008

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

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 Apollo.io

  • Contact database
  • Email finder
  • Lead search
  • Automation
  • Engagement tracking
  • Reporting
  • Salesforce
  • HubSpot

Only in Cassandra

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

What people use each for

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

Apollo.io

  • Lead generationnot Cassandra
  • Prospect researchnot Cassandra
  • Sales automationnot Cassandra

Cassandra

  • Real-time applicationsnot Apollo.io
  • Content managementnot Apollo.io
  • User profilesnot Apollo.io
  • Mobile backendsnot Apollo.io
  • Cachingnot Apollo.io

Where each one falls short

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

Apollo.io

  • Everything is metered in credits, and the free Starter plan runs on them too, so prospecting volume is capped rather than the feature set
  • Plans described as unlimited are capped in the fair use policy at 10,000 credits a month for non-paying accounts
  • Connecting a mailbox that is not Gmail or Microsoft requires a paid plan
  • How many records can be selected at once varies by tier
  • Running out of credits means buying more rather than waiting for a reset

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

Pricing, plan by plan

Apollo.io

Free
  • FreeFree
    • Basic contact search
    • Limited searches
  • Starter$49/month
    • Everything in Free
    • Advanced search
    • Email finder
  • Professional$149/month
    • Everything in Starter
    • Automation
    • Advanced analytics

Cassandra

Free

No published plan breakdown. See the Cassandra review.

Which should you pick?

Choose Apollo.io if

  • You need contact database.
  • You want to start without paying.
  • You also want email finder.
Apollo.io review

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

Questions people ask

Is Apollo.io or Cassandra better?
Neither clearly leads. Apollo.io starts at Free and Cassandra at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Apollo.io or Cassandra?
Apollo.io starts at Free and Cassandra at Free.
Does Apollo.io or Cassandra run on more platforms?
Apollo.io runs on Web. Cassandra runs on Linux, macOS, Windows, Docker, Kubernetes.
Can I use Apollo.io for free?
Both have a free tier, so you can try either at no cost before committing.
What is Apollo.io best used for?
Apollo.io is most often used for lead generation, prospect research, sales automation. Of those, lead generation and prospect research are not what Cassandra is typically brought in for.
What can Apollo.io do that Cassandra cannot?
Apollo.io covers Contact database, Email finder, Lead search, Automation. Cassandra covers Linear Scalability, Fault Tolerance, Multi-datacenter Replication, Tunable Consistency.

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
ShareXLinkedInRedditWhatsAppEmail

Related pages

More on Apollo.io

More on Cassandra

Keep looking

Other head to heads