ResApp Health Limited is an Australia-based company, which is engaged in developing digital healthcare solutions. The Companyâ€™s digital healthcare solutions assists doctors and patients to diagnose and manage respiratory disease. The Company has developed a platform for diagnosing respiratory disease using the sound of a patientâ€™s cough. The platform is based on sound alone and does not require physical contact with the patient. With smartphones integrating microphones, the platform can be delivered without the need for additional hardware. The Company has developed smartphone-based machine learning algorithms, which can identify exacerbations in patients with asthma or COPD. It also has ongoing clinical programs investigating the use of these techniques to measure exacerbation severity and lung function. The Company has developed an obstructive sleep apnoea screening test that uses overnight breathing and snoring sounds recorded on a smartphone placed on the bedside table.