Best Calibre Companion Apps

Calibre Connector

by Phillip Walker

Free

This application facilitates the transfer of book information from the Calibre software to your Apple device. It enables easy access to your digital library on the go.

Calibre Sync

All in one Calibre libraries

$4.99

Access and manage your Calibre ebook libraries from various cloud services or wirelessly connect to your desktop. Browse, search, download, and organize your books on your device. Supports multiple libraries and accounts.

LibriLink for Calibre

Your Calibre library, offline

Free

Manage your existing ebook, comic, and audiobook collections from Calibre libraries on your iPhone or iPad. Browse, download, and open files in your preferred reading apps without proprietary clouds or locked-in readers. Offers extensive customization for a comfortable reading experience.

KyBook 3 Ebook Reader

Epub, Mobi, Djvu and More

Free

This app is a versatile e-book reader and cataloger supporting numerous formats like EPUB, MOBI, and PDF. It offers a comfortable reading experience with customizable options, powerful annotation tools, and seamless cloud storage integration. Organize your library with tags, collections, and a handy cataloguer.

Calibre View

Mobile Calibre Library

Free

Browse and manage your Calibre ebook library on iOS devices. Connect to cloud storage or local files for fast searching, sorting, and filtering. Optimized for large collections and works offline once downloaded.

The Ebook Converter

Convert EPUB, MOBI, PDF, AZW3

Free

Easily convert ebooks between numerous formats like EPUB, MOBI, and PDF. Simply select your file, choose an output format, and convert in seconds. Save, share, or open converted files in your preferred reader apps.

Lios Calibre Viewer

Mobile Calibre Book Reader

$2.99

Access and read your entire book collection from your computer on your iPad or iPhone. Organize books by category and download them for offline reading, saving device space. Browse your library quickly with locally stored book names and cover art.

Everand: Audiobooks & Ebooks

Audiobooks, ebooks, podcasts

Free

Access millions of audiobooks, ebooks, and podcasts with a reading subscription. Enjoy content across devices, online and offline, with customizable features for both reading and listening. Explore diverse genres and bestsellers with flexible monthly plans.

Battery HD+

+full calibration

Free

This app provides a detailed battery monitoring experience for your phone or tablet. It offers calibration features for increased accuracy and displays estimated usage times for various activities, from listening to music to GPS navigation. It also includes charge alerts and a widget for quick access to information.

Calibre Biometrics

by BreathTaking Tech LLC

Free

This app pairs with a wearable device to track and analyze key metabolic and performance metrics like VO2 Max and resting metabolic rate. It provides detailed insights into your body's energy expenditure and fat burning zones. Designed for informational and educational use, it complements professional health guidance.