Habit List - Create good habits and break bad ones with the app that keeps you focused.
XAgo - Keep track of repeated events in your life using this iOS and Android application
Streaks - The to-do list that helps you form good habits.
Habitica - Habitica is a free habit building and productivity application.
ProductiveApp.io - Productive is a habit tracking application.
Habitify - The easiest way to keep track of your habits