Steingruber made her comeback at the 2019 Swiss Championships in September, over a year after sustaining her injury, where she won the all-around with a score of 53.100. Afterwards she was named to the team to compete at the World Championships in Stuttgart, Germany alongside Ilaria Käslin, Stenfanie Siegenthaler, Anny Wu, and Caterina Barloggio. The following week she competed at the Second Heerenveen Friendly where she helped the Switzerland finish in third behind the Netherlands and Spain. Individually she placed second in the all-around behind Naomi Visser of the Netherlands.