Which one is it? I found a “Tiny Habit” and an outdated “Tiny Habits” on App Store.
[1]: https://tinyhabits.com/ [2]: https://jamesclear.com/atomic-habits
Worth taking the free 5 day program via email on the tiny habits website.
The insight there is that you need less motivation to act if the action is very easy so you make it as easy as necessary so that you don't need much motivation.