Cue Health is a free iPhone app developed by Cue Health Inc. that serves as a personal health companion. It offers a range of healthcare tests that can be ordered through the app, and users can talk to board-certified clinicians to receive treatment if prescribed. The app provides at-home tests that are easy-to-use with step-by-step instructions in the app and results delivered directly to the user's mobile phone.

With Cue Health, users can be in control of their health and receive discreet treatment delivered right to their door. The app is convenient and confidential, making it a helpful tool for anyone seeking healthcare services from the comfort of their own home. Overall, Cue Health is a great option for those looking for a personal health companion that offers a range of healthcare services in one easy-to-use app.