Habitica - Habitica is a free habit building and productivity application.
Habits by Reclaim.ai - Auto-block time on your calendar for all your routines
Loop Habit Tracker - Loop Habit Tracker (AKA uhabits) helps to create and maintain good habits in order to achieve their...
2 Minute Habits - Productivity app helps overcome procrastination in 2 minutes
Purp - A smart to-do list and goal tracker app
Habit List - Create good habits and break bad ones with the app that keeps you focused.