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Databases · head to head

Apache Solr vs MuleSoft

Apache Solr logo

Apache Solr

Databases

Enterprise search platform built on Apache Lucene

From
Free
Rated
-
Full reviewWebsite
MuleSoft logo

MuleSoft

Automation Integration

Integration platform as a service (iPaaS) with robust API management

From
$1500/monthly
Rated
-
Full reviewWebsite

The short version

  • Only Apache Solr has a free tier, so it costs nothing to try first.
  • Each has a real cost: Apache Solr xML-heavy configuration and a developer experience that feels dated beside newer engines; MuleSoft pricing for MuleSoft solutions not published on vendor website; enterprise integration platform requires custom quote
  • They diverge on capability: Apache Solr covers Lucene-based indexing, MuleSoft covers API Gateway.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Apache Solr and MuleSoft actually diverge.

Attributes where Apache Solr and MuleSoft differ
AttributeApache SolrMuleSoft
Starting priceFree$1500/monthly
Pricing modelOpen source, no licence feesubscription
Free tierYesNo
PlatformsLinux, Docker, Kubernetes, Self-hostedCloud, On-premises, Hybrid
CategoryDatabasesAutomation Integration
FoundedUnknown1999

Identical on both: 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 Apache Solr

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

Only in MuleSoft

  • API Gateway
  • API Design
  • Integration Platform
  • Salesforce
  • SAP
  • Oracle
  • AWS
  • ServiceNow

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 MuleSoft
  • Long-lived enterprise deployments valuing stability over noveltynot MuleSoft
  • Search requiring precise, explicitly configured relevance tuningnot MuleSoft

MuleSoft

  • AI agent orchestration and governance across multiple LLM platformsnot Apache Solr
  • API management and gateway control from development through productionnot Apache Solr
  • Integration middleware for legacy systems and cloud applicationsnot Apache Solr
  • Multi-agent ecosystem discovery and centralized agent registrynot Apache Solr
  • Compliance and security monitoring across API, agent, and data interactionsnot 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

MuleSoft

  • Pricing for MuleSoft solutions not published on vendor website; enterprise integration platform requires custom quote

Pricing, plan by plan

Apache Solr

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

MuleSoft

$1500/monthly
  • Starter$1500/monthly
    • API gateway
    • Design center
    • Basic integration
  • Professional$3500/monthly
    • Advanced integration
    • Analytics
    • Team collaboration
  • Enterprise$undefined/monthly
    • Full Anypoint platform
    • Custom SLA
    • Advanced security

Which should you pick?

Choose Apache Solr if

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

Choose MuleSoft if

  • You need api gateway.
  • You work on Cloud, On-premises, Hybrid.
  • You also want api design.
MuleSoft review

Questions people ask

Is Apache Solr or MuleSoft better?
Neither clearly leads. Apache Solr starts at Free and MuleSoft at $1500/monthly, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Apache Solr or MuleSoft?
Apache Solr has a free tier; the other does not. Paid plans start at Free for Apache Solr and $1500/monthly for MuleSoft.
Does Apache Solr or MuleSoft run on more platforms?
Apache Solr runs on Linux, Docker, Kubernetes, Self-hosted. MuleSoft runs on Cloud, On-premises, Hybrid.
Can I use Apache Solr for free?
Yes. Apache Solr has a free tier, so you can try it without paying. MuleSoft starts at $1500/monthly.
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 MuleSoft is typically brought in for.
What can Apache Solr do that MuleSoft cannot?
Apache Solr covers Lucene-based indexing, Faceted search, SolrCloud, Schema control. MuleSoft covers API Gateway, API Design, Integration Platform, Salesforce.

Answered from the vendors’ own pages

Apache Solr: Is Apache Solr free?

Yes, open source under the Apache Software Foundation.

MuleSoft: What does MuleSoft cost?

MuleSoft does not publish pricing on its website. The vendor markets its Anypoint Platform to enterprises with custom licensing quotes.

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.

MuleSoft: How much does the MuleSoft Anypoint Platform cost per user?

MuleSoft does not disclose per-user, per-month, or per-API pricing on its website. Licensing models vary by customer requirements and deployment size.

Source
Apache Solr: Is Solr still maintained?

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

MuleSoft: Does MuleSoft offer a free trial?

MuleSoft encourages users to watch demos or contact sales to explore the platform. No free trial offer is mentioned on the website.

Source
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