A free program for Android, by ArtiomApps.

The application allows you to keep track of the vital signs such as blood pressure, heart rate, oxygen saturation, and body weight. You can also add notes to the readings and record the readings in a log book.

The user interface is very easy to use and has multiple tabs to help you quickly track and manage the vital signs you monitor. You can add multiple vital signs and add notes to each reading. The application allows you to add all the vital signs and notes at once or individually.

The application also has a built-in chart that you can use to track the vital signs. The user interface of the chart is very easy to use.