The free version of the Beat2Phone ECG includes sensor and mobile application, showing the measured ECG on your mobile device (Android phone or tablet). You can also send the measurements to a healthcare professional through the mobile application.
The paid Beat2Phone ECG service includes sensor, mobile application and a cloud-based service showing the measured ECG and the possible findings in the measurement. (not available for the first generation Beat2Phone sensor, only for the new Bea2Phone ECG and only for Android)