Also known as: デュオリンゴ, Duolingo, GenshinXDuolingo
A language-learning app publicly released in June 2012, featuring multiple courses.
In July 2024, there was a collaboration between Duolingo and Genshin Impact, which had Duo (Duolingo) and Klee (Genshin Impact) as friends.
Characters
- Duo (Duolingo) (the service's main mascot)
- Lily (Duolingo)
- Zari (Duolingo)
- Bea (Duolingo)
- Junior (Duolingo)
- Oscar (Duolingo)