Shweta or Shreya?

Who will rule the roost from the Gen Next? Both have such mellifluous voices and such a lot of hits in the past few years. The latter seem to have the edge as she is more versatile with Indian languages. "Maavin Chottile" from Oru Naal varum  by the former is matched by "Kizhakku Pookum" from Anwar by the latter!