Hi Doofenshmirtz95 here, and I just recently returned from the movie theatre with my sisters and just seen Big Hero 6, and I got to say it was amazing!!
While it's true it's not as excellent as Frozen, in terms of style and plotwise, I think Frozen's plot was a bit rushed and went by really fast, whereas Big Hero 6 didn't rush the plot and kept the story going much like Tangled, but that's just me. Final thoughts, all I can say is I can't just say "Oh this film, is better than the other film." because to be fair I think Disney is stepping up in its game on making good movies, and the film just got a 90% rating on Rotten Tomatoes. But back on topic, I'm glad you enjoyed the film, and we all have our preferences/opinions.
So final verdict: 9/10