Bitmakers, a French start-up founded in early 2015, develops cutting-edge 21st century medical devices. Bitmakers delivers innovative medical devices, portable, connected and responsive to new market requirements: ergonomy, aesthetics, easily implemented in the care pathway towards the best possible diagnosis and treatment for the patient. Heartbit, developed by Bitmakers, enables the diagnosis of cardiovascular diseases through the long-term ambulatory monitoring of cardiac electrical activity, thanks to an innovative and intensive service, which overcomes the capacities of traditional Holters. Heartbit facilitates the diagnosis of cardiovascular diseases through the long-term ambulatory monitoring of cardiac electrical activity, which overcomes the capacities of traditional Holters by providing an innovative and complete service. Heartbit is a miniaturized and personalized ambulatory device, enables real-time diagnostics of heart rhythm disorders. Developed in close collaboration with cardiologists and patients, its intelligent design makes its use both simple and comfortable.