BACKGROUND: Smartphone is one form of technology that is increasing that provides many benefits for the elderly such as the many applications adapted to improve the quality of life of the elderly; one of them is the existence of health applications. AIM: The purpose of this study was to determine how the ability to use smartphones in the elderly in Banda Aceh, which includes the ability to use the basics of the software, communication, data and file storage, internet, calendar, entertainment, privacy, and security, and software troubleshooting and management. MATERIALS AND METHODS: This study used a descriptive exploratory with a cross-sectional study design. The sampling technique is non-probability sampling using the snowball sampling method with as many as 400 older people. The research data were analyzed using descriptive statistics, namely, the distribution of frequencies and percentages. RESULTS: The results of the research in the capable component contained the primary use of mobile devices (99.5%), entertainment (95.3%), and the internet (86.3%). While the part that respondent is less capable, there are privacy and security (94.5%), data and file storage (81.7%), communication (79.5%), calendar (59.7%), as well as troubleshooting and device management soft (50.5%). CONCLUSION: From the study finding, it is expected that nursing services can improve the ability of the elderly in fulfilling the IADL. One of them is utilizing existing smartphone applications and providing nursing interventions for the elderly using smartphones.