Deleting an app off your phone feels like the strongest possible move. It's dramatic, it's immediate, and it usually lasts about four days before the app is quietly reinstalled — often with the same login, the same feed, the same habit, completely intact. Blocking, which feels like the weaker option, tends to actually work. The reason isn't about willpower. It's about what each action actually removes.
Deleting removes the app. It doesn't remove the decision
When you delete an app, you haven't gotten rid of the urge to open it — you've just added one extra step between the urge and the action: reinstalling. For most compulsive opens, that's not a real barrier. The urge to check hits, you tap the App Store, you redownload, you're back in within ninety seconds, and now you've also lost none of your actual attachment to the habit. You've just performed the ritual of quitting without the substance of it.
Blocking removes the decision entirely, at the moment it would happen
A block doesn't ask you to resist an urge — it removes the option at the exact second the urge would otherwise turn into an open. That's a completely different mechanism than willpower. Willpower requires you to consciously override an impulse every single time it fires, which is exhausting and fails eventually by design — that's what an impulse is. A block just isn't there to override. You reach for the habit and the habit doesn't respond, and after enough repetitions, the reaching itself fades, because the reward loop that used to complete it stops completing.
Why this matters more than it sounds like it should
The apps most worth blocking are the ones built specifically to make the open-and-scroll loop as frictionless as possible — that's the entire design goal of the feed. Deleting fights that design with more design (reinstalling). Blocking sidesteps it, because it doesn't rely on you noticing you're about to give in. It just isn't in your way to give in to.
The honest caveat
Blocking isn't magic if it's trivially easy to turn off. A block you can disable in three taps the moment you feel like it is functionally the same as deleting-then-reinstalling — it just moves the failure point. What actually makes blocking work is the same thing that makes it feel harder to set up: real friction between the urge and the override, not just between the urge and the app.