KOReader – aikace-aikacen da aka tsara don karanta littattafan e-duba da duba takardu na tsararru daban-daban. Da farko, an kirkiri software don Kindle, Kobo da PocketBook, amma a lokacin ne aka saba da shi don naurar Android. KOReader yana goyan bayan EPUB, MOBI, DjVu, DOC, PDF, FB2, TXT, HTML, XPS, CBT, CBZ, RTF, ZIP da sauran tsarin fayil. Manhajar ta zo da manyan tsare-tsaren fasali don saita font, jerawar layi, salon rubutu, bayanin magana, nesa daga filayen da sauran sigogi ga bukatun mai karatu. KOReader yana ba ku damar saukar da kamus a cikin harsuna daban daban don nemo ma’anar kalma ko nuna alama da ba a sani ba sannan ku ga ma’anarta a kan Wikipedia. KOReader yana ba ku damar duba abin da ke cikin littafin, je zuwa shafin da ake so, ƙara alamun alamun shafi, bincika kalmomi a cikin rubutun kuma kunna shafin ta atomatik akan tazara tazara. Aikace-aikacen na iya haɗi zuwa uwar garken Caliber, karanta labarai daga Wallabag, aiki tare da bayanan kula tare da Evernote kuma aiki tare da mai sauke labarai.