Sometimes, all it takes is certainty and minor evidence. The Event Recorder enables real-time interaction during measurement for immediate feedback. Whether it's extrasystoles or heart pauses, heart activity is displayed visually on the smartphone screen. In the paid version, the data can then be sent as a PDF. The document presents the doctor with a familiar display format, showing continuous interval times and absolute heart rate variability for monitoring. Arrhythmias are instantly recognizable in the PDF document at first glance. The Event Recorder is designed to be quickly and easily accessible for any application when needed, whether for heart rate monitoring or storing arrhythmias for the doctor. The Event Recorder is always with you on your smartphone.