How they compare
Both make glamorous, sensual sex films with European models and a strong cinematic look, so the difference is volume and price.
SexArt is the MetArt network's film studio, with more than 2,340 films since 2012, mostly 25 to 30 minutes, and a new one every two or three days, plus big photo galleries. It's $29.99 a month or $99.99 a year.
Ultra Films, from the Wow network, has about 910 films, mostly 28 to 48 minutes, with a new one every Monday. It's $17.95 a month or $69.95 a year, and membership includes WowGirls.