What's the difference between Elfie, ElfieWorks, ElfieCare and ElfieResearch?

Elfie is a free application for all users regardless of conditions.

ElfieWorks is an employer program that leverages the Elfie application's core functions and activates a few premium features.

ElfieCare is a version of Elfie for healthcare professionals. It is currently under development.

ElfieResearch is a version of Elfie for patients who participate in clinical trials.