Tumor's earlier work was compared to that of Dean

Blunt and James Ferraro, the latter of whom they have collaborated with; however, their more recent music, such as Heaven to a Tortured Mind, has been likened to Prince and David Bowie.

Tumor has cited Throbbing Gristle as an influence, saying: "Sonically, Throbbing Gristle (were very inspirational). There's something about their music, like the hypnotic trance vibes, that really influenced me. When I moved to Los Angeles after college, a good friend of mine would always play Chris & Cosey records when we were hanging out. I slowly became obsessed with them and started reading about Genesis P-Orridge and that whole movement