How they compare
PervMom and Mom Comes First both build step-mom roleplay around well-known MILF performers. PervMom is Paper Street Media's, with 460 scenes of about 50 minutes and a new one every week. Mom Comes First, from the team behind Family Therapy XXX, has more than 300 scenes and is still updating.
The prices are very different. PervMom is sold as a Family Strokes membership, $32.99 a month or $149 a year, which also covers Family Strokes, Sis Loves Me and Dad Crush. Mom Comes First is $59.99 a month ($29.99 the first month), $119.97 for three months or $249.99 a year, for seven sites. Prices are at the time of writing.