QUICK ANSWER
"Me too" is a phrase which is often translated as "yo también", and "me either" is a phrase which is often translated as "yo tampoco". Learn more about the difference between "me too" and "me either" below.
me too(
mi
tu
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
a. yo también
You're taking the astronomy 101 course this semester? Me too!¿Estás tomando el curso de astronomía 101 este semestre? ¡Yo también!
me either(
mi
ay
-
thuhr
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
a. yo tampoco
I don't know why Guillermo is acting so rude. - Me either.No sé por qué Guillermo está comportándose de una manera tan grosera. - Yo tampoco.