Android has a feature that lets you limit time in specific apps to X minutes, you can set these and the app will go black and white when you approach the limit and just close when the time is up.
I found that's a good compromise to outright blocking things, because in reality you do need stimulation, but setting limits to the sources you usually get it from can be very helpful.
Instead of spending 3 hours on a clicker app (so evil) I've allowed myself 5 minutes a day, which means whenever I open it I'm going to do the most important things then close the app as soon as possible, whilst still getting the stimulation I was seeking in the first place.
I found that's a good compromise to outright blocking things, because in reality you do need stimulation, but setting limits to the sources you usually get it from can be very helpful.
Instead of spending 3 hours on a clicker app (so evil) I've allowed myself 5 minutes a day, which means whenever I open it I'm going to do the most important things then close the app as soon as possible, whilst still getting the stimulation I was seeking in the first place.