SHSelfHostIndex

Calibre-Web Automated vs KOReader

A side-by-side comparison of two self-hosted e-books & media library options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
CA Calibre-Web Automated Calibre-Web with automatic ingest and conversion VS KO KOReader Document and ebook reader for e-ink and mobile devices
FeatureCalibre-Web AutomatedKOReader
Deploy effortUnder-an-hour setupRead-the-docs project
Health score85 · Excellent98 · Excellent
CategoryE-books & Media LibraryE-books & Media Library
LicenseGPL-3.0AGPL-3.0
LanguageJavaScriptLua
Setup difficultyEasyMedium
Min. RAM512 MB256 MB
Deploymentdockerbinary, source
GitHub stars★ 6,332★ 29,880
First released20242012
ReplacesKindleKindle, Pocketbook reader

What are Calibre-Web Automated and KOReader?

Calibre-Web Automated

Calibre-Web Automated extends the popular Calibre-Web with automatic book ingestion, conversion, and metadata enforcement. Dropped-in files are processed and added to your library without manual steps.

  • Automatic book ingestion
  • Format conversion on import
  • Metadata enforcement
  • Calibre-Web feature base

Read the full Calibre-Web Automated guide →

KOReader

KOReader is an open-source document viewer for EPUB, PDF, DjVu, and many other formats, optimized for e-ink screens. It can connect to self-hosted OPDS catalogs and supports syncing reading progress.

  • E-ink optimized rendering
  • Many document formats
  • OPDS catalog support
  • Reading progress sync

Read the full KOReader guide →

Calibre-Web Automated vs KOReader: key differences

Calibre-Web Automated is written in JavaScript, while KOReader is built with Lua. Licensing differs — GPL-3.0 for Calibre-Web Automated versus AGPL-3.0 for KOReader. KOReader is the lighter option, starting around 256 MB of RAM against 512 MB for Calibre-Web Automated. KOReader is the more established project (first released 2012), while Calibre-Web Automated arrived in 2024. KOReader has the considerably larger community, at 29,880 GitHub stars versus 6,332. Calibre-Web Automated lists first-class Docker deployment; KOReader does not.

Why pick each one

Choose Calibre-Web Automated if…

  • Hands-off library updates
  • Builds on a proven UI

Watch out for

  • Newer project
  • Inherits Calibre-Web limits
Calibre-Web Automated details

Choose KOReader if…

  • Excellent e-ink support
  • Huge format support
  • Highly customizable reading

Watch out for

  • Dense menu system
  • Install varies by device
KOReader details

Frequently asked questions

Is Calibre-Web Automated or KOReader better?

Neither is universally better. KOReader has the larger community, while Calibre-Web Automated is simpler to set up (easy difficulty). Choose based on the comparison table above and your own setup.

Are Calibre-Web Automated and KOReader free and open-source?

Yes. Calibre-Web Automated is licensed under GPL-3.0 and KOReader under AGPL-3.0. Both can be self-hosted at no software cost.

Can I run Calibre-Web Automated and KOReader with Docker?

Calibre-Web Automated: yes. KOReader: check the project docs for container support.

Which is lighter on resources, Calibre-Web Automated or KOReader?

KOReader has the smaller minimum footprint at 256 MB of RAM, compared to about 512 MB for Calibre-Web Automated. Real-world usage depends on library size, user count, and enabled features.

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