Each has the same square watch face with subtle ... What ultimately gives it the edge over the Versa 4 is its better GPS connectivity, its new skin temperature-sensing and stress-tracking features ...

Both models sport bright and crisp 1.58-inch AMOLED touchscreens and feature a square-ish-circle watch face ... the Sense 2 has a skin temperature sensor that adds an extra layer of data to sleep ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more Fitbit's Versa 4 is a disappointment. Not only does it pale in comparison to some of the best fitness ...