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Cassandra vs SAP Concur

Cassandra logo

Cassandra

Software

Manage massive amounts of data with linear scalability

From
Free
Rated
-
Full reviewWebsite
SAP Concur logo

SAP Concur

Software

Travel, expense, and invoice management

From
$29/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; SAP Concur listed on UK G-Cloud 14 at £0.21 to £9.70 per unit for SAP Concur Travel & Expense Professional Edition, submitted directly by SAP Concur, with the unit and billing period not further defined on the listing
  • They diverge on capability: Cassandra covers Linear Scalability, SAP Concur covers Expense management.

Where they differ

Only the attributes on which Cassandra and SAP Concur actually diverge.

Attributes where Cassandra and SAP Concur differ
AttributeCassandraSAP Concur
Starting priceFree$29/month
Pricing modelUnknownsubscription
Free tierYesNo
PlatformsLinux, macOS, Windows, Docker, KubernetesWeb, Ios, Android
Founded20081993

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 SAP Concur

  • Expense management
  • Travel booking
  • Invoice processing
  • Spend analytics
  • Policy compliance
  • SAP
  • Oracle
  • Workday

What people use each for

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

Cassandra

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

SAP Concur

  • Enterprise expense managementnot Cassandra
  • Corporate travelnot Cassandra
  • Invoice processingnot 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

SAP Concur

  • Listed on UK G-Cloud 14 at £0.21 to £9.70 per unit for SAP Concur Travel & Expense Professional Edition, submitted directly by SAP Concur, with the unit and billing period not further defined on the listing

Pricing, plan by plan

Cassandra

Free

No published plan breakdown. See the Cassandra review.

SAP Concur

$29/month
  • Professional$8/month
    • Expense reporting
    • Receipt capture
    • Approvals
  • Premium$12/month
    • Travel booking
    • Invoice management
    • 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 SAP Concur if

  • You need expense management.
  • You work on Web, Ios, Android.
  • You also want travel booking.
SAP Concur review

Questions people ask

Is Cassandra or SAP Concur better?
Neither clearly leads. Cassandra starts at Free and SAP Concur at $29/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Cassandra or SAP Concur?
Cassandra has a free tier; the other does not. Paid plans start at Free for Cassandra and $29/month for SAP Concur.
Does Cassandra or SAP Concur run on more platforms?
Cassandra runs on Linux, macOS, Windows, Docker, Kubernetes. SAP Concur runs on Web, Ios, Android.
Can I use Cassandra for free?
Yes. Cassandra has a free tier, so you can try it without paying. SAP Concur starts at $29/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 SAP Concur is typically brought in for.
What can Cassandra do that SAP Concur cannot?
Cassandra covers Linear Scalability, Fault Tolerance, Multi-datacenter Replication, Tunable Consistency. SAP Concur covers Expense management, Travel booking, Invoice processing, Spend analytics.

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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