Apple’s subscription fitness app, Fitness+, launches on Monday. I’ve been using it for the past several days and I think it offers a nice variety of workouts that people will like. You need an Apple Watch to take the pre-recorded exercise classes, which are available on iPhones, iPads and the Apple TV.It’s a smart way for Apple to make the Apple Watch even stickier. If people get really into the fitness classes, like I have, it will be yet another way Apple keeps people locked in to its ecosystem of products. Why buy another phone, tablet or watch if …
