A free program for Android, by REPS.

This app is an essential tool for people who need to record and track their blood pressure. It offers you an easy way to keep a daily log of your BP. It is designed to help you to get a better understanding of your blood pressure and its changes over time.

The app offers you a range of options for logging your BP. You can choose to record the value and use the provided units (mmHg or systolic and diastolic). The app also provides you with a range of other options like adding a note to the entry, using a predefined format for the entry, and more.