The eRef app, developed by Georg Thieme Verlag KG, offers an offline solution for accessing the Thieme Knowledge Portal for Physicians on iPhones. Users can utilize this app for free under various conditions, including having an active eRef trial account, a personal eRef license, institutional eRef license access, Thieme journal subscription, or a Thieme book access code. With the eRef app, users can load e-books and e-journals onto their smartphones, enabling them to read the content anytime, anywhere.

Additionally, users can activate their personal journal subscriptions within the app and utilize cockpits for researching differential diagnoses, treatments, and more. The convenience of accessing medical knowledge offline makes the eRef app a valuable tool for healthcare professionals. To explore its features, users can easily create a free trial account within the app.