The app where the feed is nearly everything
TikTok is the hardest case in this category, because it opens directly into the thing you are trying to spend less time in. There is no home screen to pass through, no inbox to check first. The app launches and you are already scrolling, which means the decision to start was never really made.
It is also, for a lot of people, a place they make things. Drafts, replies, a following that took two years to build. “Just delete it” is advice that quietly assumes you were only ever consuming, and for a large number of people that is simply not true.
Why the built-in limit stops holding
TikTok ships its own daily screen time limit, and it is better than nothing. It is also a prompt, and prompts are dismissible by design. The first week it genuinely interrupts you. By week three, entering the passcode and carrying on has become part of the routine, performed without much conscious thought.
This is not a failure of willpower and it is not specific to TikTok. It is what the research on this kind of friction finds in general. A published field experiment found a short delay with an explicit dismiss option led users to abandon about one in three app opens, which is a real effect. A follow-up across 1,039 real users over roughly thirteen weeks found it fades as people habituate. A prompt that never changes becomes wallpaper.
Rationing the app, not blocking it
Skerrick rations TikTok itself. It cannot see which screen you are on. On Android it only knows which app is in front, and on iPhone it only hears when TikTok opens and closes. So when you open TikTok, a clock starts at 3 minutes, and it runs whenever TikTok is in front.
For TikTok that is close to rationing the feed, because the app opens straight into it. It also means answering a message or working on a draft spends the same minutes as the scroll.
At zero, on Android, a card lands over the app where you are and says there is not a skerrick left. On iPhone a notification says it, and the card is waiting the next time you open TikTok. After 30 minutes away, the ration refills, and if you come back sooner you get whatever was left, so quitting and reopening buys you nothing.
Three minutes is short. Set it higher.
Three minutes on TikTok is roughly fifteen to twenty videos, and if you currently spend an hour a day in the feed that will feel absurd on the first afternoon. Start at ten minutes. Let it settle for a week. Then take a minute off every few days until it starts to bite.
The point of the ration is not to be severe. It is to convert an open-ended session into a visit with a shape, so that the end arrives from somewhere other than your own exhausted attention.
If you push through
You can always ask for another sixty seconds. The first time each day you wait five seconds for them, then twenty, then forty-five, then ninety. The button never disappears and never refuses, it just gets more expensive, and the ladder resets at midnight.
The waits are deliberately boring. A twenty-second pause with nothing happening on the screen is long enough to notice that you are standing in a kitchen waiting for permission to look at a phone, which tends to answer the question on its own.
If you post as well as scroll
Creating counts. Recording, editing, uploading and replying to comments all happen inside TikTok, so they spend the same minutes as the scroll. Skerrick cannot tell them apart, and pretending otherwise would be dishonest.
What it does not do is shut the door. A blocker takes TikTok away for hours, so it gets uninstalled by exactly the people who make things. A ration leaves the app there. Set it long enough for the work you do in it, and the scroll gets the same limit whether or not you meant to start it.
Free things worth doing first
Move TikTok off the home screen so opening it takes a deliberate search. Turn its notifications off completely. Put the phone in greyscale. Log out at night, which adds a password prompt to the worst hour of the day. If those are enough, you have solved it for nothing, which is the best possible outcome.