Analogion & Isokratis - Ioannis Bakopoulos

With the application: Analogion & Isokratis, you have two amazing applications running simultaneously on one screen.
With the application: Analogion you have on your ipad an entire library of music books and liturgical texts of the Church, sorted perfectly.
With the application: Isokratis you have on your ipad ten experienced Isocrates to accompany you when you chanting.