Smartwatches and activity trackers are a dime a dozen these days, but there are a few brands that stand out. Apple Watch has cultivated a stellar reputation in the smartwatch category — and the upcoming Series 10 is rumored to come with some cool new upgrades — while brands like Fitbit have dominated the fitness tracking space.

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.

We recently wrote about potential improvements to iPhone repairability, and it stirred hope that the Apple Watch Series 10 might also see some of those improvements. Traditionally, the Apple Watch has been a bit problematic when it comes to repair.

Macworld At a glance Expert's Rating Pros ・Bigger, easier-to-read display ・Faster charging ・Refined design Cons ・Still only 18 hours battery life ・Blood Oxygen unavailable in the U.S. Our Verdict After 10 years of Apple Watch releases,