W App
Just using the free version it helps to know your times. Premium gives way more room for improvement and knowing where you’re struggling in each lap. But I just wanted my lap time. If your entrance and exit are a distance away from eachother I’d put your “start line” on the exit portion. The reason I do this is because the first lap you use to warm the tires anyway so it’s more valuable to see your last lap time then your first.