Swim+The world’s best swimming app Track your swims. All the data you could ever want displayed in an interface designed for outdoor swims in bright sunshine! Maximally sized white text is contrast on a black screen for optimal visibility in bright sunshine and excellent visibility through dark swim goggles. Count your laps. Track every lap you swim using sophisticated algorithms that correctly account for the distance of mixed stroke laps, Lap up your stats. View your lap distance stats at a quick glance. Chart your data. Elegant charts of your pace, heart rate, and cadence allow you to quickly visualize the effort of your workout. Refine your stroke. Refine your stroke efficiency by optimizing a range of stroke distance metrics. Measure fitness. Advanced algorithms estimate you maximum aerobic power, maximal oxygen use rate, and average power to weight for each swim. Find your zone. Training zone charts help ensure that your workout efforts lead to the optimal exercise benefits. Choose your pool. Easily select between standard pool lengths to insure lap distances and pace are calculated accurately. Set your pace. Set your lap pace to allow artificial intelligence coaching to accurately monitor your effort during the workout and provides gentle nudges using haptic alerts to insure that you stay within the target effort range for your swim. Plot your recovery. Plot your post swim recovery heart rate while machine learning algorithms analyze your fitness and look for improvement and changes in your health. Rate your workout. Reflect on how your workout felt to help guide the Swim+ machine learning algorithms to provide coaching better tailored to your precise needs. Quick launch. Add a Swim+ button quick launch complication to any Watch face to quickly launch the app, or add a pool length quick launch complication to easily launch the app directly for a specific pool length.