The field of cardiac care is evolving, with innovations in wearable electronics and Health - Internet of Things, (Health - IoT), undoubtedly contributing to effective personalised care of patients with cardiac disease in the home environment. Over recent years, attention to soft electronics has sparked an interest in their application in wearable sensor technology, with the latest contributions in research focusing on multimodal sensing of physiological parameters such as blood pressure, surface body temperature, and bioelectric signals like the ECG. This has led to the increased adoption of flexible and wearable biophysical sensor technology in IoT enabled remote monitoring of cardiac disease, due to its advantages over rigid sensors in achieving intimate skin coupling for bio signal sensing, and improved patient comfort. Moreover, clinical feasibility studies that employ the use of such technology have shown results that compare favourably well with the use of multi-lead Holter monitoring devices. However, widespread implementation of this technology is still lacking in low to middle income countries (LMICs), which have the highest burden of mortality and morbidity attributed to cardiac disease to date. This is largely due to the cost of most commercially available products which limit widespread public use. This article will review cost-effective Internet of Things (IoT) enabled ECG monitoring systems, with a focus on flexible biophysical sensor technology that has wireless connectivity - (Bluetooth enabled or Near Field Communication), energy optimization - (Wireless energy harvesting and low power usage), multimodal sensing, and can be mass produced through roll-to-roll manufacturing processes.