Surprised nobody else has mentioned SnoCru! I switched to SnoCru after using Trace as I can run SnoCru with the battery saver function on using my iPhone 6 and the battery use barely goes down. I was using Ski Tracks but after I lost a few days on the hill I decided it wasn’t good anymore as when it first came out. SnoCru was $10 for a season but I recieved an email saying that it’s going to be free to use now instead!
