ResApp Health Limited, a digital healthcare solutions developer based in Brisbane, Australia, focuses on assisting healthcare professionals and patients with respiratory diseases. The company uses sound technology for diagnosis and offers ResAppDx, a smartphone-based diagnostic test used in emergency departments, telehealth, and primary care markets. Additionally, ResApp offers SleepCheck, a mobile application for self-assessment and diagnosis of sleep apnea. The company has a joint development and pilot agreement with Medgate AG, to test its smartphone-based diagnostic tests. ResApp Health Limited was previously known as Narhex Life Sciences Limited and has been in operation since 2000.