/ Choose Do It Or Pay - Habit Tracker if
Its stated focus matches what you need: A habit tracking app where you pledge money against causes you oppose. Complete daily tasks before the timer runs out, or your money funds what you hate. Features countdown timers, streak tracking, and flexible stakes.
/ Choose WriteMore | Build a Daily Writing Habit if
Its stated focus is closer to your workflow: WriteMore is a private online journal for daily writing that provides reminders, prompts, and statistics. It's never been easier to build a writing habit.