While you can download the application at no initial cost, your access is limited depending on your license type:
Users with an account can sync their progress and customized models across Mac, iPad, and iPhone. Free Download vs. Subscription Access
The 2019 version for Mac specifically focused on leveraging desktop hardware for superior visual fidelity and educational depth:
Features over 13,000 anatomical structures, including a living, beating human heart that can be dissected in real-time.
