these apps are designed to addict you - you're not gonna be able to stop out of pure willpower. you need to make them inaccessible to you. delete the apps off your phone and use a website blocker to block them on your computer. then set a timer and read until the timer is done. try to focus completely on reading, if you break focus it will be difficult to get back into it. repeat every day until you're finished the book. this is the only method i've used that actually works. you are capable and you can do this!!!