What are some alternatives?
When comparing Karrot Fit and Fitbit Blaze, you can also consider the following products
iRewardHealth - Motivating healthy behavior change
Fitbit Charge - Activity and sleep tracking wristband
Optimity: Live.Work.Play - Get rewarded for your healthy habits
Fitbit Surge - The ultimate fitness super watch
SQRL - Save $1 for every 1000 steps you take
Fitbit Alta - Find your fit with Fitbit's family of fitness products that help you stay motivated and improve your health by tracking your activity, exercise, food, weight and sleep.