The COVID-19 pandemic is still swirling about, and rapid antigen tests are still playing a vital role in pushing back against the COVID-19 pandemic, and Australia’s TGA has responded with a guidance on when software used with rapid antigen tests qualifies as a regulated device. The TGA has classified such software as a class 3 device when used with a rapid antigen self-test, thus requiring a separate regulatory application before it can be eligible for entry in the Australian Register of Therapeutic Goods (ARTG).