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Developing a Minimalist Fitness Tracker for iPhone Using Swift

Creating a Native iOS App for Workouts

May 11, 2024 -

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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I got some magic in my pocket: The app tracking workouts from the background - during recordings it just shows a widget on the homescreen
I got some magic in my pocket: The app tracking workouts from the background - during recordings it just shows a widget on the homescreen
Apple Watch workout app shows large buttons to start a workout - no need for additional configuration
Apple Watch workout app shows large buttons to start a workout - no need for additional configuration
Not your average debugging session: Fietselfstedentocht 2024
Not your average debugging session: Fietselfstedentocht 2024
Designing a paywall for my app: not my favourite ask from users, but it is a very important one nonetheless.
Designing a paywall for my app: not my favourite ask from users, but it is a very important one nonetheless.
Screenshots of the app's onboarding process: asking for permissions and guiding new users
Screenshots of the app's onboarding process: asking for permissions and guiding new users
Early prototype of the app working with Bluetooth heartrate sensor and its early dataset shown in another app that makes some pretty graphs (HealthFit)
Early prototype of the app working with Bluetooth heartrate sensor and its early dataset shown in another app that makes some pretty graphs (HealthFit)

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