For iPhone there's Out-Run [0] which is a great open source running app with no vendor tracking (it optionally tracks your runs locally).
For exercise, I would kindly suggest you don't make things over complicated. There's no tech solution that prevents you from putting on a pair of running shoes, getting outside and finding out what does and doesn't work yourself.
For exercise, I would kindly suggest you don't make things over complicated. There's no tech solution that prevents you from putting on a pair of running shoes, getting outside and finding out what does and doesn't work yourself.
[0] https://apps.apple.com/gb/app/out-run/id1477511092