I made an iOS app called Swift Volume that changes your music volume based on your speed (doesn't matter if you're using Spotify, Apple Music, etc.). It makes it easy to talk with your friends at the bottom of a run or on the side of the hill.
Would love any feedback that fellow skiers have. Reviews are also welcome. Only for iPhone right now but will be posting one for Android soon. https://apps.apple.com/ca/app/swift-volume/id1490966335
**This thread was edited on Jan 15th 2020 at 3:19:26pm