After you stop, restlessness, irritability, low mood, and strong evening cravings are common for a while. They usually fade. They are a reason to have a plan, not a reason to go back.
Searches for “porn withdrawal symptoms” spike because the first week can feel physical: buzzing, bad sleep, a short fuse, brain fog. Some people feel flat because the old reward is gone and nothing has replaced it yet.
That window is temporary for most people. Hydrate, move, keep a regular sleep time, and do not sit in the same chair with the same phone at the same hour. If you have depression, panic, or thoughts of self-harm, that is medical care, not an app problem.