Hit that 10,000 step mark with the help of these step trackers. (iStock) Whether you’re trying to hit 10,000 steps, are training for a marathon or are just trying to sit less, a good step tracker can help you stay accountable. From basic pedometers to smartwatches packed with health tracking features, these step counters can make it more fun to stay active.  Fitbit Inspire 3: $79.93 (20% off) Original price: $99.95 A basic Fitbit model that offers more than 20 exercise modes. (Amazon) Amazon $