The rapid growth of mobile health (mHealth) applications has significantly influenced the delivery and management of primary healthcare services worldwide. Primary healthcare serves as the foundation of effective health systems, emphasizing prevention, early diagnosis, and continuous patient engagement. The objective of this study is to examine the role of mobile health applications in strengthening primary healthcare delivery and improving healthcare system performance. A descriptive and analytical approach was used to assess the application of mHealth tools, including appointment scheduling platforms, medication adherence apps, symptom trackers, and health education applications, within primary care settings. The findings indicate that mHealth applications enhance accessibility to healthcare services by reducing geographical and time-related barriers, particularly for underserved and remote populations. These digital tools support preventive care through health promotion, lifestyle monitoring, and early identification of health risks. Additionally, mHealth applications improve communication between patients and healthcare providers, facilitate continuity of care, and enhance patient engagement in self-management of chronic conditions. From a health system management perspective, mobile health solutions contribute to improved workflow efficiency, data collection, and evidence-based decision-making. They also support cost-effective service delivery by reducing unnecessary clinic visits and optimizing resource utilization. However, challenges such as data privacy concerns, limited digital literacy, unequal access to smartphones, and integration issues with existing health information systems remain significant. In conclusion, mobile health applications represent a valuable component of digital primary healthcare. Their effective implementation requires supportive policies, robust digital infrastructure, user-centered design, and ongoing training for both patients and healthcare professionals to maximize their impact on healthcare quality and system sustainability.

Mobile Health, Primary Healthcare, Digital Health, Patient Engagement, Health System Management, Preventive Care