Probably the most exciting feature at an additional cost, fans can now sleep with Illya in Sleep Mode which adds 40 new voice recordings including breathing sounds.
The original app sold for 960 yen on Google Play and the App Store, and currently no pricing information has been announced yet for the English release.
To learn more, please visit the official homepage:
http://prisma-illya-alarm.d-techno.jp/index_en.html
