Commentary: The Series 10 and Ultra 2 are incredibly similar making it hard to know which one to buy. Here's everything you need to know about screens, design, battery and health tracking between Apple's latest watches.

Get the best price on whichever Apple Watch model you're after this year. Generally speaking, an older watch means a lower price, but also fewer features.

The longtime CEO of Masimo, Joe Kiani, has resigned from the company in the last few days and “that could open the door for lawyers from Apple and Masimo to work out a deal to bring blood-oxygen sensing back to new Apple Watches,” according to Bloomberg’s Mark Gurman in his latest Power On newsletter.