[GabiSoare]

I am developing a mobile app for katakana learning purpose and i don't know how to say " I am learning katakana " .
It's : Katakana o naratteimasu?
And how it's written? katakana ==カタカナ , o naratteimasu [hiragana/katakana] ?

A-ri-ga-to-u ありがとう !