This is a powerful app for both students and professionals. It provides patient education, pill identification, medication information, and much more. A free version has all that listed above, and a paid version offers even more. The below links take you to the versions available and detail what the packages include.
Medscape from WebMD (medscape.com) is the leading medical resource most used by physicians, medical students, nurses and other healthcare professionals for clinical information.
The ePSS is an application designed to help primary care clinicians identify clinical preventive services that are appropriate for their patients. Use the tool to search and browse U.S. Preventive Services Task Force (USPSTF) recommendations on the web or on your PDA or mobile device. To search from your mobile device select from the following devices:
Focuses on highlighting tools which are actually useful in clinical practice and serve to impact diagnosis, treatment, or determine prognosis._