Your child says the routine is done. You look, and you tap. A person checks, never an algorithm.
Minutes don't accumulate and can't be traded. An economy reopens negotiation, and killing negotiation is the product.
As many warnings as you want, at the intervals you choose. Then it's over, and the character said so, not you.
End screen time from your phone, one child or the whole house, immediately.
On an Android tablet, Trellis can genuinely lock things. On an iPad or laptop it announces and counts down but cannot enforce, and we say so plainly. It works with the tablet you already own, and works deepest on Android.
The gate fades on a schedule you set, because a reward that never fades becomes the reason. See the research page for why.