There is no clear distinction. Both agencies have young girls (20s) and little bit older (30s). Register on TERB.cc to read reviews here:
https://terb.cc/vbulletin/forumdisplay.php?30-%95-Toronto-Incall-Escort-Agencies
Register first!
More reviews:
http://azn747.com/bbs/forum.php?mod=forumdisplay&fid=2
Don't worry about the pictures in my list. You won't see the same in person.
Don't worry about age either. Nobody looks old regardless of the actual age on my list.
Moonwaiting's best choices:
Karina
Cherry
Jenny
Coco
Roxy
Yoona
Lena
Barney
Zia
Dana
This should keep you busy for a while.
Barbihouse's best choices:
https://www.barbiehouse69.com/companicons
Paris (you won't see her if you're new)
Elina (your best bet)
Yuna
Prada
Ivana