Naija Gist - Latest: Orangetheory Fitness To Launch Apple Watch Support For Heart Rate Monitoring In 2020 Orangetheory Fitness To Launch Apple Watch Support For Heart Rate Monitoring In 2020 Good news for Orangetheory fanatics: Soon you will no longer have to sport a sweaty chest strap to monitor your heart rate during class. Today, Orangetheory Fitness announced that it will start ...