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Databases · head to head

Apache Solr vs Azure DevOps

Apache Solr logo

Apache Solr

Databases

Enterprise search platform built on Apache Lucene

From
Free
Free plan
Yes
Visit Apache SolrFull review
Azure DevOps logo

Azure DevOps

Developer Tools

Plan smarter, collaborate better, and ship faster

From
Free
Free plan
Yes
Visit Azure DevOpsFull review

The short version

  • Apache Solr is free; Azure DevOps starts at $2/mo.
  • Where Apache Solr falls short: XML-heavy configuration and a developer experience that feels dated beside newer engines.
  • Where Azure DevOps falls short: first 5 users free applies to Basic plan only; Test Plans users are not included in free tier.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which Apache Solr and Azure DevOps actually diverge.

Attributes where Apache Solr and Azure DevOps differ
AttributeApache SolrAzure DevOps
Pricing modelOpen source, no licence feeMixed
PlatformsLinux, Self-hostedWeb
CategoryDatabasesDeveloper Tools

Identical on both: starting price (Free), free tier (Yes).

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 Apache Solr

  • Lucene-based indexing
  • Faceted search
  • SolrCloud
  • Schema control

Only in Azure DevOps

Nothing recorded that Apache Solr does not also cover.

What people use each for

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

Apache Solr

  • Library, archive and catalogue search where faceting is centralnot Azure DevOps
  • Long-lived enterprise deployments valuing stability over noveltynot Azure DevOps
  • Search requiring precise, explicitly configured relevance tuningnot Azure DevOps

Azure DevOps

  • CI/CD pipelines and build automation for software development teamsnot Apache Solr
  • Source code repository management and version controlnot Apache Solr
  • Test planning and tracking for QA teamsnot Apache Solr
  • Artifact storage for packages and binariesnot Apache Solr

Where each one falls short

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

Apache Solr

  • XML-heavy configuration and a developer experience that feels dated beside newer engines
  • SolrCloud depends on ZooKeeper, adding a component Elasticsearch removed years ago
  • Smaller mindshare now, so newer tutorials, hiring and integrations favour Elasticsearch
  • Considerably heavier than a purpose-built application search engine

Azure DevOps

  • First 5 users free applies to Basic plan only; Test Plans users are not included in free tier
  • Storage pricing increases per-GiB cost as volumes grow, with no volume discount threshold below $0.25

Pricing, plan by plan

Apache Solr

Free
  • Apache SolrFree
    • Full functionality
    • No usage limits
    • Community support

Azure DevOps

Free
  • Basic$6/user/mo
    • First 5 users free
    • Additional users $6/user/month
    • Pipelines (free tier)
  • Basic + Test Plans$52/user/mo
    • All Basic features
    • Test planning, tracking, and execution
  • Azure Pipelines CI/CD - Microsoft-hosted$40
    • 1 free parallel job with 1,800 minutes per month
    • Additional jobs at $40/month each
  • Azure Artifacts Storage$2/month per gib
    • First 2 GiB free
    • 2-10 GiB: $2/GiB
    • 10-100 GiB: $1/GiB

Which should you pick?

Choose Apache Solr if

  • You need lucene-based indexing.
  • You want to start without paying.
  • You work on Linux, Self-hosted.
  • You also want faceted search.
Apache Solr review

Choose Azure DevOps if

  • You want to start without paying.
Azure DevOps review

Questions people ask

Is Apache Solr or Azure DevOps better?
Neither clearly leads. Apache Solr starts at Free and Azure DevOps at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Apache Solr or Azure DevOps?
Apache Solr starts at Free and Azure DevOps at Free.
Does Apache Solr or Azure DevOps run on more platforms?
Apache Solr runs on Linux, Self-hosted. Azure DevOps runs on Web.
Can I use Apache Solr for free?
Both have a free tier, so you can try either at no cost before committing.
What is Apache Solr best used for?
Apache Solr is most often used for library, archive and catalogue search where faceting is central, long-lived enterprise deployments valuing stability over novelty, search requiring precise, explicitly configured relevance tuning. Of those, library, archive and catalogue search where faceting is central and long-lived enterprise deployments valuing stability over novelty are not what Azure DevOps is typically brought in for.
What can Apache Solr do that Azure DevOps cannot?
Apache Solr covers Lucene-based indexing, Faceted search, SolrCloud, Schema control.

Answered from the vendors’ own pages

Apache Solr: Is Apache Solr free?

Yes, open source under the Apache Software Foundation.

Azure DevOps: How much does Azure DevOps cost?

Azure DevOps Basic plan is $6 per user per month after the first 5 users are free. Basic + Test Plans tier costs $52 per user per month. Azure Pipelines add-on for extra parallel jobs costs $40 per job for Microsoft-hosted runners and $15 per job for self-hosted runners.

Source
Apache Solr: Solr or Elasticsearch?

Both are built on Lucene. Elasticsearch has the larger ecosystem and a friendlier API; Solr is very mature and strong on faceted search, and remains common in library and catalogue systems.

Azure DevOps: Is there a free tier for Azure DevOps?

Yes, Azure DevOps includes 5 free users on the Basic plan. Additional free allocations include 1,800 free minutes per month on Azure Pipelines with a free parallel job, 2 GiB free storage on Azure Artifacts, and free access for Visual Studio subscribers and Stakeholders with limited functionality.

Source
Apache Solr: Is Solr still maintained?

Yes, actively, as a top-level Apache project.

Azure DevOps: What does the Basic + Test Plans tier add to Azure DevOps?

The Basic + Test Plans tier adds test planning and execution capabilities, browser-based testing, and centralized reporting features. This tier costs $52 per user per month compared to $6 per user for the Basic plan.

Source
Azure DevOps: How is Azure Artifacts priced?

Azure Artifacts provides 2 GiB of free storage, then charges $2 per GiB for 2-10 GiB, $1 per GiB for 10-100 GiB, $0.50 per GiB for 100-1,000 GiB, and $0.25 per GiB for over 1,000 GiB.

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