My own applications:

Translation Books The app for reading books in foreign languages (foreign languages) and text-to-speech. https://itunes.apple.com/us/app/translation-books/id1417725809?ls=1&mt=8

Simple Servers Monitor The app for quick check of availability of servers and sites https://itunes.apple.com/us/app/simple-servers-monitor/id1451353920

SamlibReader Specialized application for reading books from the site Samizdat with memorizing the list of books, positions and appearance settings https://itunes.apple.com/us/app/samlibreader/id1127829505