Trakt for iOS
Works on iPhone and iPad.
As featured on the Toonami blocks on Cartoon Network. (1998-2004)
Like superheroes, but good.
Not a complete list obviously; just the shows I plan on watching. Some might not quite be mahou shoujo, but are close enough to count for me.
Includes:
anime :D
netflix shows
Shows aired on Cheez TV
Progresso dos Animes que Assisto
Watched
by hachichimitsu