There was a time when Fitbit had nine activity trackers in its portfolio, though the company retired the Flex, Alta and Zip lines when it launched the Inspire family in 2019.

The Charge 4 sits at the top of the trackers, with the Inspire 2 below, succeeding the older Inspire and Inspire HR. There’s also the Fitbit Luxe to consider too, which sits inbetween. You can read how the Fitbit Luxe, Charge 4 and Inspire 2 compare in our separate feature.
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