Anyway, the prices for such services differ: depending on the portal one token may cost from a few cents to several dollars.
You need to take the dispersion of prices into consideration and choose the site which provides you with services you need for a price which you can afford.
Hence, free cams give you a chance to watch an adult live show , but tokens give you an opportunity to gain a pretty interactive experience: basically, you are the one to control a girl you see on the screen.
Anyway, it is better to find a site that offers you a wide selection of shows.
Depending on your preferences, you might be satisfied with the very basic type of free live adult web cams that depict ladies who perform alone.
However, the variety of shows available on the site is as important as the selection of models: you might get bored with more or less similar streams.
Just in case, it is advisable to look for a platform that provides an access to an extended gallery of shows – female, male, transsexual people, solo shows, shows depicting couples and groups, other niche categories.
Moreover, you might be interested in voyeur or spy experience.