The Jack and Ella 3-Month Habit Tracker ($0) is totally free! All you have to do is add it to your cart, then check out, immediately download it, and print it on a regular-sized, 8.5"x11" piece of ...

Habit tracking is often touted as the holy grail of personal development. “Track your habits to stay accountable,” they say. “Don’t break the chain,” they insist.

These 5 habit-tracking apps can help you set — and stick to — your goals, whether it's hitting the gym or getting more sleep.