Hey, I'm really glad that this inspired you.

The app that I used to start this challenge is called '21 Days', and it's available on the app store.

Other than that, I use todoist and notion to manage my time and schedule my day, which I wrote more about here - https://medium.com/@thisisananya/the-1-simple-hack-that-i-use-to-be-more-productive-and-control-my-time-in-2022-b7f1b6402f96

You can also check other articles on my profile to help you with your personal development journey.

All the best!