Creating a Privacy-First Fitness App
Tracking workouts without a smartwatch using native smartphone features
May 11, 2024 - Willem L. Middelkoop
As a little side-project, squeezed between my normal work, I have been working on something of personal interest: a native workout tracking app for iOS. I wanted to make my smartwatch obsolete, instead using my phone to track workouts. How hard could it be to gather detailed sensor data using native Swift APIs?
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