BPHistory makes it easy to create a list of your blood pressure and heart rate readings. You can see the history of your readings as scrollable list or a scrollable line chart. You can use BPHistory to share your readings via a PDF file. BPHistory protects your health data and only stores the data on your device. BPHistory. uses no advertising or tracking of any kind and you don't need to create any kind of web account to use BP History. BP History does not take your blood pressure or heart rate but is designed as an easy way to create a record of BP Readings in one place regardless of the source of the readings.