XKCD: What If Reader is an iPhone application developed by Dimitry Grekov. This free app allows users to enjoy offline reading of the popular Q&A blog by Randall Munroe. With its user-friendly interface and convenient features, XKCD: What If Reader provides an immersive reading experience for fans of the blog.

One of the key features of XKCD: What If Reader is its Offline Reading Mode. Users can download articles from the blog and access them without an internet connection, making it perfect for reading on the go or in areas with limited connectivity. This feature ensures that users can always have access to the fascinating content of the Q&A blog, even when they are offline.

Another useful feature of XKCD: What If Reader is the option to receive push notifications for new posts. Users can stay updated with the latest articles from the blog without having to manually check for updates. This feature ensures that users never miss out on new and interesting content.

Additionally, XKCD: What If Reader offers an iPad version, allowing users to enjoy the articles on the big screen. The app is optimized for the iPad's larger display, providing a more immersive and enjoyable reading experience. Users can easily switch between their iPhone and iPad devices, seamlessly continuing their reading wherever they left off.

For those who prefer an ad-free experience, XKCD: What If Reader offers an in-app purchase option. Users can choose to remove ads from the app, enhancing their reading experience and eliminating distractions.

Overall, XKCD: What If Reader is a must-have app for fans of the Q&A blog by Randall Munroe. With its offline reading mode, push notifications for new posts, iPad version, and ad-free option, this app provides a convenient and enjoyable way to explore the fascinating content of the blog.