The only thing that's similar is the Crests and Elements of harmony. But let's see: Element of harmony: Magic, Generosity, Laughter, Loyalty, Honesty, and Kindness.
Crests: Kindness, Friendship, Love, Hope, Sincerity, Reliability, Knowledge, and Courage. So.....It's kind of similar but not so much. I LOVE BOTH!!!!! X3 But I LOVE MLP BETTER!!!! XD
Oh....ummmm, I'd have to pick digimon because even thoght I love the my little pony shows, digimon has more action, adventure, realistic fiction with the digidestined, and it has a few touches of sci fi.
I like both because of the awesome adventures.
And in Equestria Girls I think they all digivolve themselves to beat Sunset Shimmer.
And digimon has its own elements of harmony, the crest.
And twilight and izzy are brainiacs.
And fluttershy the element of kindess like Ken
And rainbow dash is as reckless as Davis
And they all have family and friendship problems that can be easily solved through the bonds they have for each other.
Come to think of it they're kinda alike in ways.
Deal with it.
Diana (OC): Um...um...um...
Misaki (All of these are my epic OCs):
Natsuki: I like Digimon.
Gatomon (Clearly NOT an OC): Me too!
Tiffany: YOU ARE A DIGIMON!!! YOU'RE SUPPOSED TO LIKE YOUR OWN SHOW!!!!!! Oops, I forgot I had a megaphone hat on. *Takes hat off* I like...um...BOTH!!!!
All: YEAH! BOTH!!!!
Me: I always communicate my ideas in a tiny skit...don't ask.