2025-04-14 00:00:00 Introducing Klein, the top athletic training app for athletes and coaches in various sports. Whether you're participating in soccer, basketball, football, baseball, or any other sport, this sports training app has got you covered. With an extensive range of sport-specific strength and workout programs, it's like having your very own personal strength training coach in your pocket. Klein is crafted to help you excel in your favorite sports by offering customized training programs, expert coaching, and analytics to monitor your progress. Our app focuses on athletic training in various sports, including: Soccer training