Your iPhone knows a lot about your health, especially if you use apps like MyFitnessPal or track your activity with an Apple Watch. With permission, apps can access this data. To check which apps have access to your data.
We've shown how to keep an eye on your location and make these data apps available sooner, but what about your health data? The health app collects as much data as possible, and if you use apps to track weight, calories, blood pressure, and more, this can be a lot. If you're wearing an Apple Watch, it may even be more information than you might expect.
Controlling which apps can access your health data
There may be some types of health information you do not want to be tracked at all, or there are others you do not mind Apple see but you would rather not hand over to apps. Everything you can do from the health app.
To get started, open the Health app on your iPhone and tap "Sources" at the bottom of the screen.
View all apps that have requested access to your health data to either read existing or add new health information. When you tap on a single app, you get additional information about the data it has access to.
You can even see what data uninstalled apps could access by tapping Uninstalled Apps.
At the top of the screen is a handy button to remove all traffic. However, if you want a more detailed control, this is possible through a series of switches. It also briefly explains why the app requires access. So, if you forget an old app that you may have forgotten, your memory may be running.
To disable the app's access to all types of health data, tap Turn All Categories off. "If you only want to disable some categories, move the corresponding switch to the" Off "position.
. Repeat this process for each displayed app You customize which app has access to which health data.