All these data are real-time and from Co-Win portal public APIs. I do NOT endorse or condone, in any shape or form, automating any monitoring tasks. Use at your own risk. Seriously, if you get into legal trouble for using this, I am not liable.
1. Go to the setting to enable the notifications.
2. Choose the requirements and save them. You will be notified based on when the slots are available based on the minutes you set.
3. You can search for the individual districts for a week. You can see only available slots unlike in the Cowin portal.
4. You can enable or disable the schedular through the options menu.
5. Check now will help you refresh the home content with the latest.
*Using data from the Cowin portal from below APIs
https://apisetu.gov.in/public/marketplace/api/cowin