고맙습니다 vs 감사합니다

To your friends

고마워!

Gomawo.


To someone who is younger than you, but is not a close friend)

고마워요.

gomawoyo.


To someone who is older than you, or is not a close friend)

감사합니다.

gamsahabnida.


To someone who is older than you, or is not a close friend)

고맙습니다.

gomabseubnida.

[KBS World] Pit-A-Pat Korean (두근두근 한국어) - Episode 2