4Free Oxygen Measure description

4Free Oxygen Measure Use your device's built-in camera to capture and analyze data to calculate your SpO2!
Measure your SpO2 know your SpO2 has never been so easy!
Without any external hardware, just use your smartphone or tablet's built-in camera / sensor, you can get accurate readings almost instantly.
In addition, you can also:
Oxygen data analysis, Using a hierarchical model, intelligent judge the current healthy oxygen level.
Custom Reports oxygen, Rapid analysis of oxygen data within a specified time, blood pressure analysis report is generated .
Track your results. Each measurement you make will be saved into your personal history, so that you can make long-term tracking.
Simple and intuitive design. Simple and streamlined design makes it easy to use, So you can focus on using the app, without having to navigate between numerous screens.