Trakt for iOS
Works on iPhone and iPad.
Best modern comedies
Movie list from Cinema Blend
http://www.cinemablend.com/new/30-Best-Romantic-Comedies-All-Time-43134.html
Comedies that I have been able to rewatch over the years and they still provide a laugh each time around.
Personal Movie Recommendations
From laughing, that is...
Comedy Film Collection
comedy
by Christopher Mccoy