Apps Related to Annotations and Flashcard Review

NOOK is a comprehensive digital reading application developed by Barnes & Noble, providing access to a vast library of ebooks, magazines, and newspapers. It offers a user-friendly interface for reading on various devices and includes features like customization, annotations, and cross-device synchronization.

Aldiko is a versatile e-book reader for Android and iOS, supporting a wide range of formats including EPUB and PDF. It offers a rich reading experience with customizable settings, library management, annotation tools, and synchronization options.

Cool Reader is a highly configurable and lightweight eBook viewer designed for comfortable reading on various devices. It supports multiple formats including EPUB and DOCBOOK, offers extensive customization options for interface and reading experience, and includes useful features like library management, annotations, and sync capabilities.

Apple Books (formerly iBooks) is Apple's native e-book and audiobook application for iOS and macOS devices, providing a seamless reading and listening experience with robust library management and sync features.

Google Play Books is a comprehensive digital library and ereader offered by Google. It provides access to a vast collection of ebooks and audiobooks for purchase or free download, allowing users to read and listen seamlessly across multiple devices with offline capabilities.

Amazon Kindle offers a comprehensive ecosystem for reading digital books, providing dedicated e-readers and cross-platform apps. It allows users to purchase, download, and read a vast selection of ebooks, newspapers, and magazines, synced across various devices for seamless access.