Calibre Web vs Urban Airship

A side-by-side look at Calibre Web and Urban Airship. For an in-depth review of either product, follow the links below.

Calibre Web

News & Books

Calibre Web is an open source ebook server that allows you to access and read your Calibre ebook library through a web browser from anywhere. It has features like book browsing, reading, downloading, email delivery, and more.

ebooklibraryserverbrowser-access

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Urban Airship

Social & Communications

Urban Airship is a cross-channel customer engagement platform that enables push notifications, in-app messages, email, SMS, and more. It helps companies engage with customers on any device or channel.

engagementmessagingmobilepush-notifications

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