Buy 2017 — Which Fitbit To

Built-in GPS (no phone required), water resistance up to 50 meters for swim tracking, and Fitbit Pay for contactless payments.

Considered by many experts as the , the balances advanced health features with a manageable size.

Continuous heart rate tracking, guided breathing sessions, and "Connected GPS" (using your phone's GPS for maps).

It offers the most complete set of features for its price, including sleep tracking updates that allow you to see time spent in light, deep, and REM sleep. The Latest Powerhouse: Fitbit Ionic Go to product viewer dialog for this item. Released in October 2017 , the is Fitbit's first true smartwatch.

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Built-in GPS (no phone required), water resistance up to 50 meters for swim tracking, and Fitbit Pay for contactless payments.

Considered by many experts as the , the balances advanced health features with a manageable size.

Continuous heart rate tracking, guided breathing sessions, and "Connected GPS" (using your phone's GPS for maps).

It offers the most complete set of features for its price, including sleep tracking updates that allow you to see time spent in light, deep, and REM sleep. The Latest Powerhouse: Fitbit Ionic Go to product viewer dialog for this item. Released in October 2017 , the is Fitbit's first true smartwatch.