Kromm was part of the German junior group[3] that competed at both the 2019 European and World Championships, finishing 12th in Baku and 10th in Moscow.

[6][7] In 2022 she was selected to perform at the 2022 Rhythmic Gymnastics European Championships in Tel Aviv, Israel, the group came in 12th place in the all-around.

[8] In late August she competed at the World Cup in Cluj-Napoca, winning bronze in the 3 ribbons + 2 balls' final.

[11] Following Bulgaria and Israel's withdrawal Germany was able to medal in the team competition, Daniela and her teammates Anja Kosan, Alina Oganesyan, Hannah Vester, Francine Schöning and the two individuals Margarita Kolosov and Darja Varfolomeev were awarded silver for their results.

[14] In April the girls competed in Tashkent where they won two silver medals in the All-Around and with 3 ribbons and 2 balls.