Apple Fitness+ is adding Gym Strength, a lifting experience in the iOS 27.3 and iPadOS 27.3 betas that builds four-week plans around your goals, schedule and equipment, 9to5Mac reports. Each week adjusts to the reps and weight you logged the week before, and the plans draw on more than 350 exercises with short trainer demos. You can optionally log sets on Apple Watch, and it’s included with an existing Fitness+ subscription.