The Sense 2 and Versa 4 are Fitbit's flagship wearables, but it's the Sense 2 that delivers a far better overall experience. Here's how they compare.

While Fitbit offers a range of products, two models, in particular, the Versa 4 and the Sense 2, have attracted attention from consumers looking for fitness-tracking wearables or smartwatches.

Following the announcement yesterday, Google is rolling out updates to the Charge 6, Sense 2, Versa 4, and Inspire 3. The trackers and smartwatches are all getting updated to version 210.26.

About this Fitbit Versa 4 review: I tested the Fitbit Versa 4 over a period of five days. It was on firmware 61.20001.169.418 and connected to my Samsung Galaxy A51 throughout the testing period.