Company Davka Corporation created these great apps:
iGematria גימטריה, iBless Torah, iBless Food, Tanach Bible, Talking Hebrew Word Book, iKaddish, cRc Kosher, Talmud Keys, Alef Bet Schoolhouse, Beautiful Israel, Habet Ushma Plus, Davka Coloring Blast, Torah Notebook, Hebrew Notes, Davka Hebrew Writer, Hebrew Nikud, Torah Library, Ready for Rashi, Soncino Hebrew-English Talmud, Davka Shtickers, Tefillah Tuner, Jewish Coloring Blast, Alef Bet Schoolhouse, and others..
