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

Below is a guide to the top choices based on their 2017 features and market standing. The Top Pick: Fitbit Charge 2 Go to product viewer dialog for this item.

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

If you are looking for the best Fitbit to buy in 2017, the lineup is more diverse than ever, ranging from slim fashion-forward bands to full-featured smartwatches.

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

If you want a device that rivals the Apple Watch with a 4+ day battery life and on-device music storage, this is the top-tier choice. The Style Leader: Fitbit Alta HR Go to product viewer dialog for this item. Fitbit Charge 2 review // Best fitness tracker of 2017

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.