Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Documentation Generators

Sphinx vs Dokka

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Sphinx #1 in Documentation Generators 9.4/10 Free plan Free plan✓ 0 of 3 features Visit Sphinx
Dokka #6 in Documentation Generators 8.7/10 Open source ✓ 2 of 3 features Visit JetBrains

Sphinx leads on 0 checks, Dokka on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSphinx · 9.4/10
  • Free planonly Sphinx
  • Most featuresDokka · 2 of 3

Sphinx scores higher on our rubric for documentation generators: 9.4 against 8.7 out of 10; our editors rank them #1 and #6.

Sphinx is the better fit for broad, extensible technical documentation projects. Dokka is the better fit for kotlin and Java API documentation.

  • Sphinx fits best

    Broad, extensible technical documentation projects

  • Dokka fits best

    Kotlin and Java API documentation

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Sphinx 9.4/10 Visit ↗ Dokka 8.7/10 Visit ↗
At a glance
Editor score 9.4 8.7
Ranking #1 in Documentation Generators #6 in Documentation Generators
Best for Broad, extensible technical documentation projects Kotlin and Java API documentation
Pricing model Free Free
Starting price Free plan Open source
Free plan ✓ (best) Not checked yet
Free trial — —
Support Community, Docs Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Sphinx 0/3 · Dokka 2/3
API reference generation Not checked yet ✓ (best)
Versioned documentation Not checked yet ✓ (best)
CI/CD integration Not checked yet Not checked yet
Specs
Source inputs Not checked yet Kotlin source with KDoc, Java source with Javadoc, Markdown module and package documentation
Output formats Not checked yet HTML, Javadoc HTML, GitHub Flavored Markdown, Jekyll-compatible Markdown
Programming languages Not checked yet Kotlin, Java
Our review
Pros
  • Supports reStructuredText and MyST Markdown authoring
  • Builds HTML, PDF, ePub, Texinfo, and other formats
  • Offers cross-references, search, themes, extensions, and API documentation
  • Supports Kotlin KDoc and Java Javadoc in mixed-language projects
  • Outputs HTML, Javadoc HTML, GFM, and Jekyll-compatible Markdown
  • Runs with Gradle, Maven, CLI, and supports versioned documentation
Cons
  • Does not provide a hosted documentation SaaS service
  • Custom domains and private access require external hosting services
  • Versioned hosting and traffic analytics are external-service capabilities
  • Focused on API documentation rather than a broader documentation suite
  • Requires source comments such as KDoc or Javadoc for API content
  • Its workflow centers on Kotlin, Java, and listed Markdown inputs
Our verdict

Sphinx is an open-source documentation generator for software projects and technical teams. Authors write content in reStructuredText or MyST Markdown, then build outputs including HTML, PDF, ePub, Texinfo, and manual pages. Its feature…

Read the review →

Dokka is an open-source API documentation engine from JetBrains for developers and library teams working with Kotlin, Java, Android, and multiplatform projects. It reads Kotlin KDoc and Java Javadoc comments, making it suitable for…

Read the review →
  1. SphinxDocumentation Generators 9.4Free plan
  2. DokkaDocumentation Generators 8.7Open source

Strengths and trade-offs

  • Sphinx — where it wins

    • Supports reStructuredText and MyST Markdown authoring
    • Builds HTML, PDF, ePub, Texinfo, and other formats
    • Offers cross-references, search, themes, extensions, and API documentation

    Where it doesn't

    • Does not provide a hosted documentation SaaS service
    • Custom domains and private access require external hosting services
    • Versioned hosting and traffic analytics are external-service capabilities

  • Dokka — where it wins

    • Supports Kotlin KDoc and Java Javadoc in mixed-language projects
    • Outputs HTML, Javadoc HTML, GFM, and Jekyll-compatible Markdown
    • Runs with Gradle, Maven, CLI, and supports versioned documentation

    Where it doesn't

    • Focused on API documentation rather than a broader documentation suite
    • Requires source comments such as KDoc or Javadoc for API content
    • Its workflow centers on Kotlin, Java, and listed Markdown inputs

More comparisons

All documentation generators comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update