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Developing a Minimalist Fitness Tracker for iPhone Using Swift

Why I made a native smartphone app for tracking rides and runs

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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Different configurations of realtime data
Different configurations of realtime data
Nothing makes you feel alive like going outside for some physical action - I love working out!
Nothing makes you feel alive like going outside for some physical action - I love working out!
My bike with Bluetooth sensors connected to my MacBook running Xcode
My bike with Bluetooth sensors connected to my MacBook running Xcode
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)
Not your average debugging session: Fietselfstedentocht 2024
Not your average debugging session: Fietselfstedentocht 2024
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

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