KOReader vs Okular

KOReader

Description: KOReader is an open source document viewer and ebook reader application designed for e-ink devices. It supports a variety of ebook formats and offers features like annotations, bookmarks, and dictionary lookups.

Type: software

Pricing: Open Source

Okular

Description: Okular is a versatile document viewer software for KDE. It supports viewing PDFs, EPUBs, ODT, and other document formats. Okular allows annotating, highlighting, commenting on documents as well as filling forms.

Type: software

Pricing: Free

KOReader Features

• Supports a wide variety of ebook formats including EPUB, MOBI, PDF, DjVu, CBR, CBZ, etc.
• Customizable reading experience - fonts, margins, themes, etc.
• Annotations and bookmarks support
• Dictionary lookups
• Supports adding online OPDS catalogs
• Sync reading positions across devices
• Text-to-speech
• Wikipedia integration
• Supports adding custom online content sources

Okular Features

• Supports viewing PDF, PostScript, DjVu, CHM, XPS, ePub and other formats
• Allows annotating, highlighting and adding comments to PDFs
• Has different view modes like single page, facing, overview grid
• Supports tabs for opening multiple documents
• Has presentation mode for slideshows
• Can fill interactive PDF forms
• Allows saving filled forms as PDF or text
• Has search functionality to find text in documents
• Can encrypt PDF files
• Has document information and metadata viewer
• Supports table of contents navigation
• Has different reflow modes for reading ePubs
• Can print documents to system printer

KOReader

• Open Source

Okular

• Free