The best app for tracking your BP
Blood Pressure Monitor - Family Lite keeps track of your important health stats, including blood pressure, weight, and heart beat rate, right on your iPhone or iPod touch.

Key Features
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Ease-to-use interface to record your blood pressure, weight and heart rate
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Graphical charts for visual trend and warning
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Stats table with average values for the past days, weeks and months
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Data export through email in multiple formats and date ranges
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Exporting readings, stats and charts in the same email
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Data import through iTunes file sharing
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One tap data backup and restore through embedded email link
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Build-in reminder function to help you never miss a BP checkup point
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US and international weight unit support
People are Talking
Nice, clean, easy to use
This does exactly what it is supposed to do. Data is easy to enter, and you can go back and add or edit the weight or BP as you re-test. Chart and history are easy to view.
BP Monitor
I love this app. Excellent for keeping track of my bp and relaying the info to my doctor. I like the fact that it is color coded so you can know at a glance if your readings are within the normal range or not.