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NEW DELHI, India – Despite heart disease being the leading cause of death in India, accounting for over 28% of all fatalities, the burgeoning market of mobile health applications is falling significantly short in addressing this critical public health challenge, according to a recent study. Research published in the Journal of Medical Internet Research highlights a stark disconnect between the potential of digital health tools and the reality of available resources for Indian users.
The study, conducted by researchers at Karl Landsteiner University of Health Sciences (KL Krems) in Austria, involved an extensive analysis of over 227,000 health-related apps available on Apple’s App Store and the Google Play Store in India. Using sophisticated natural language processing and clustering techniques, the researchers aimed to understand the landscape of mobile health (mHealth) apps specifically targeting heart disease.
The findings were described as sobering. Only a tiny fraction of health apps focused on heart disease – approximately 0.5% on the Google Play Store and 1.4% on the Apple App Store.
“The numbers really surprised us,” stated Dr. Keerthi Dubbala, lead author of the study and a researcher at KL Krems. “We sifted through over 227,000 health-related apps, but only around 2,200 had anything to do with heart disease. And even those often lacked key features like local language support, user reviews, or clear, engaging descriptions.”
This lack of local language support is a major barrier, rendering many apps inaccessible to large segments of the Indian population who may not be proficient in English. Furthermore, the study found that while most identified heart disease apps were free to download, over 70% had no user ratings or reviews, suggesting very limited usage or engagement.
Technical accessibility also emerged as a concern. The researchers noted that relatively large file sizes and inconsistent update histories could pose challenges for users with older smartphones or limited internet connectivity, particularly in rural areas where healthcare access might already be constrained.
Using machine learning, the team categorized the heart disease apps into three main types: clinical (treatment/monitoring), fitness and lifestyle (diet/exercise), and sleep and wellness (meditation/stress). While most apps fell into the clinical category, these tended to have the lowest user engagement and the briefest descriptions.
“Even the apps that are most relevant in terms of content seem to struggle when it comes to actually reaching and helping people,” Dr. Dubbala commented. “That might be due to visibility issues, poor design, or simply not offering what users need.”
Mobile health is often touted as a powerful tool to bridge healthcare gaps, especially in nations like India where the smartphone user base is projected to exceed one billion. However, this study indicates that the potential remains largely untapped for combating the country’s most significant health threat.
Giovanni Rubeis, senior author of the study, now at the University of Greifswald, Germany, emphasized the broader implications: “In a time when chronic illnesses are on the rise and digital health is gaining ground, this study sends a clear signal. It’s not enough to simply have apps—they need to be easy to find, easy to understand, and genuinely helpful.”
The research provides a systematic methodology for analysing the mHealth ecosystem, offering valuable insights for developers, researchers, and policymakers aiming to create more effective and targeted digital health interventions for heart disease in India and other resource-constrained settings.
Disclaimer: This news article is based on information from a study published in the Journal of Medical Internet Research (DOI: 10.2196/53823). It is intended for informational purposes only and does not constitute medical advice. Please consult with a qualified healthcare professional for any health concerns or before making any decisions related to your health or treatment.
