The iPhone maker has also announced the Apple Heart Study to identify irregular heart rates, including potentially serious heart conditions such as Afib.
The insurer, which covers 23 million, is already offering Apple's smartwatch to its 50,000 employees as part of its corporate wellness program.
Most significantly, the watch can now directly communicate with other devices without iPhone serving as an intermediary.
The app now enables Humana members to get reminders to refill prescriptions and track their prescription orders with a few taps on their wrist.
Based on Smartmedical's vocal emotion recognition technology, the app identifies and tracks users' emotions by analyzing multiple vocal properties.
The application would enable doctors to receive alerts, such as test results, on their wrists and, presumingly, be able to respond accordingly.
Pending FDA's 510k clearance, the device provides caregivers the opportunity to take a more active role in helping their loved ones engage in their own care.
A patent application suggests Apple wants to turn its smartwatch into a full-fledged medical device, which could automatically send out an alert when needed.
Amgen, DaVita HealthCare Partners, Lockton, and life insurer John Hancock offer innovative wellness program that allows members to earn Apple's smartwatch.
The research firm estimates that Apple took two-thirds of the smartwatch market; Samsung was second, Pebble - third, while Huawei took the fourth position.