Fitbit has no fewer than nine activity trackers in its portfolio, following the recent addition of the Alta HR. As you might guess from its name, the new device adds heart rate monitoring to last year’s slim and stylish Alta tracker, meaning it starts to step into Charge 2 territory.

Starts being the keyword there though. There are still a few features the Charge 2 has over the Alta HR. Here is how the two compare.

Fitbit Alta HR vs Charge 2: Design

• Alta HR is slimmer and sleeker
• Larger display on Charge 2
• Both have interchangeable straps
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