Habit List - Create good habits and break bad ones with the app that keeps you focused.
Nirow - Habit tracking: Automated, Siri-ed, Calendar-ed, and More!
Momentum - Agile goal and performance management
Gone - An ephemeral to-do list
everyday.app - Every day, it gets a little easier. But you gotta do it every day, that's the hard part.
Taskful - Deadlines, meet your match.