willem.com

Native iOS Fitness App Development

The Story Behind a DIY Fitness App

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?

Continue reading
Different configurations of realtime data
Different configurations of realtime data
Testing the app on my bike using a QuadLock case and mount
Testing the app on my bike using a QuadLock case and mount
Not your average debugging session: Fietselfstedentocht 2024
Not your average debugging session: Fietselfstedentocht 2024
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)
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.
"Goin' the extra mile": 8 hours on my bike to test battery usage (note: there is still 23% power left!)

Other stories

all blog posts

Tagged

AppleBikeCreatingDataDesignLifestyleHeartMinimalProgrammingSensorsSportWatch

Articles (151)