For Laptrax I added a 5 second countdown so I can get ready after hitting start, enabled false start detection, lap announcer so I can tell progress without looking down, announcer- fast, plus I think you need to setup the orientation for portrait vs landscape so it detects motion correctly. I've found it pretty finicky and have to crank the sensitivity almost all the way up but it does usually work OK once it's dialed in. The user interface isn't the easiest to figure out. But hey it's free so can't complain too much.