BP Diary: Blood Pressure Log

Log your blood pressure in seconds, follow a step-by-step measuring guide, and share a clear PDF report with your doctor. Your readings stay on your phone.

BP Diary is a simple, private way to keep track of your blood pressure. Log a reading in seconds, see how your numbers change over time, and bring a clear report to your next appointment. Your readings are stored on your phone, not on our servers.

MEASURE THE RIGHT WAY A step-by-step guide walks you through a reliable reading. It covers the 5-minute rest, how to sit, and how to place and fit the cuff. You take two readings a minute apart, and the guide averages them for you. Every instruction cites published guidance from the American Heart Association, the European Society of Hypertension and the NHS.

SEE YOUR TRENDS • Average blood pressure and pulse over 7, 30 or 90 days • A trend chart you can press and drag to read any day • A monthly calendar that shows which days you measured • Morning-and-evening tracking and your measuring streak

EVERY READING IN ONE PLACE • Systolic, diastolic, pulse and arm, with the date and time • Add readings from earlier, edit them later, and undo a delete • Search by date ("monday", "12 oct", "2026") or filter by range

SHARE WITH YOUR DOCTOR Create a PDF report or CSV file on your phone. Send it with your own mail app or share sheet to the contacts you choose.

LEARN THE BASICS Short, sourced articles explain your numbers, why readings vary, how to choose a monitor and when to get help.

PRIVATE BY DESIGN Your readings never leave your phone unless you export them yourself. You can delete your readings or your whole account at any time.

BP Diary is a record-keeping tool. It does not diagnose, treat or give medical advice. Always talk to a healthcare professional about your blood pressure.