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Apple's Healthbook App for iOS Shown in Renderings with New Details
The renderings show a Passbook-inspired user interface with cards for different heath and fitness data points, with the app able to keep track of vitals mentioned in previous rumors such as heart rate, hydration, blood pressure, physical activity and more. Notably missing from the renders are parameters for other topic such as stress and pregnancy tracking, which had been suggested in a separate report from MobiHealthNews last month.
Each category of functionality is a card in the Healthbook. Cards are distinguished by a color, and the tabs can be arranged to fit user preferences. As can be seen in the above images, Healthbook has sections that can track data pertaining to bloodwork, heart rate, hydration, blood pressure, physical activity, nutrition, blood sugar, sleep, respiratory rate, oxygen saturation, and weight.A big chunk of the Healtbook app will be dedicated to measurable health parameters such as blood sugar levels, oxygen saturation, bloodwork values and more. The blood sugar tracking would let diabetics enter their daily or weekly glucose levels and track changes over time, while the bloodwork tab would allow users to enter the results of routine bloodwork tests that are used to screen for overall nutrition as well as heart, kidney or liver disease. When combined, these parameters will provide the user and their doctor with a snapshot of the person's overall health at any given time.
Another focus of the app is fitness, with the ability to track activity levels, nutrition, and weight changes over time. Data in these tabs would provide detailed analysis of calories burned, BMI, body fat percentage and more. This section, which also includes sleep tracking and hydration measurement, provides the user with an overview of their fitness and allows them to monitor any changes over time.
The mechanisms by which the app will retrieve this health and fitness data, especially the more difficult to measure vitals such as hydration and blood sugar, are not clear, although it is likely the app will utilize some combination of the iPhone's M7 motion coprocessor, third-party devices, third-party apps and Apple's own wearable devices such as the rumored iWatch.
Thanks to the capabilities of the iPhone 5s’s M7 motion co-processor, Healthbook could technically receive steps, miles walked, and caloric data from the iPhone itself. However, that is where the M7 stops being useful for Healthbook. Blood, hydration, and respiratory rate information would clearly need to come from other sources.Apple has been hiring health and fitness experts to build out its iWatch team, and is rumored to be using this expertise in the development of its first wearable device. The iWatch is rumored to launch later this year, and Healthbook should debut as part of iOS 8 in a similar timeframe late this year.