The aim of this study was to investigate the clinical use of smartphones among medical and nursing staff in Greece. This study used a 17-item questionnaire that was administered to the participants by the authors. The sample consists of 974 participants of 1200 who were asked to participate (ie, a response rate of 81.3%). The survey was open to all categories of medical and nursing staff (junior doctors, specialized doctors, assistant nurses, and RNs). In total, 167 participants (18.5%) were nurse assistants; 385 participants (42.6%), nurses; 154 participants (17%), specialized doctors; and 198 participants (21.9%), junior doctors. The data analysis was performed using SPSS Statistics (version 21), and the significance level was set to .05. Medical doctors own smartphones on a higher percentage in comparison with nurses. Among smartphone owners, medical doctors use their devices for clinical issues more frequently compared with nurses. Although medical doctors believe that smartphones can be a great tool for their work, they state that they do not use it for clinical reasons. Nurses state that they do not use their smartphones for clinical reasons because they are not aware of the existence of applications that can be used to assist them in their daily clinical tasks.