Kids Just Play, Parents Decide
This piece is about a decision we tucked into the design but really want you to know: Every screen a child sees in Tortoise Time is for looking and playing only. Not a single switch they can flip. Not a single PIN box. Everything that can change a rule lives on your side, behind a PIN.
A pitfall we didn’t get right at first
The easiest mistake to make with an app like this is to blur “the child’s screens” and “the parent’s screens” together.
For example: time’s up, and a “time to stop” screen appears — with a handy “enter PIN to unlock” button right there on it, for the parent’s convenience. Looks thoughtful, right?
We did exactly that for a while. Then we actually let children use it, and something felt off:
As long as that PIN box is somewhere the child can see, the child fixates on it. They won’t enter the PIN themselves — they know they can’t — but they’ll come find you: “Mom, just type it in,” “just this once.” That screen had quietly become a place to beg, once a day, every day.
What the child learns isn’t “time is up.” It’s “time’s up, go plead with a grown-up, and sometimes it works.”
So we separated the two worlds completely
Here’s how Tortoise Time works now:
The child’s side — look and play, with nothing they can change.
- What the child opens to is the island, Mori, today’s story, the treasures collected
- When time’s up, it’s a gentle screen telling them that’s enough for today
- On these screens, there is not one switch, not one PIN box, not one “adjust” button
- The only things a child can tap are browse-only things, like “read the story” or “back to the island”
The parent’s side — everything that changes a rule lives here, behind a PIN.
- Want to change the daily limit? Open the app → go to Settings → enter your PIN → change it
- Want to change which apps are watched? Same path — Settings, PIN
- Want to pause monitoring? Also in Settings, behind a PIN, with one more confirmation on top
These two worlds are two physically separate entrances — not “one screen that switches identities.”
Why insist on such a clean split
Because if a child can’t see a switch they could change, they don’t sit around thinking about changing it.
That sounds simple, but it’s the foundation of the whole design. A child who sees “there’s a switch here, there’s a PIN box there” on screen every day will have the urge to go touch it triggered every day — even if they can’t actually change anything. This is the opposite of what addictive apps do. Addictive design deliberately puts the tempting button right in front of you; we deliberately take it away from in front of the child.
And there’s a deeper distinction underneath:
- When you open the app, enter your PIN, and change the limit from 30 minutes to 45 — that’s a rule being reset. You, the parent, deliberately changed today’s plan.
- But if a child can find a crack in the screen and wear you down into unlocking it for them — that’s a rule being bypassed. Today’s plan didn’t change; it just got worked around.
We always want the former. A parent resetting the rule — never a child learning to bypass it.
Won’t this be a hassle for parents
A little. To change a limit, you open the app, go to Settings, enter a PIN — slower than tapping a button on a popup.
We did that on purpose.
Changing a rule shouldn’t be too easy. If one tap could do it, then in the moment your child is fussing right beside you, you’d change it almost without thinking — and that “without thinking” is exactly what the child is hoping for. One or two extra steps give you a beat of pause: do I actually want to change this? Is today genuinely an exception, or have I just been worn down again?
Those extra steps are there for you, not to police you.
One sentence for parents
On the child’s side, we leave only “play” and “look.” Everything that’s a decision goes back to you — in your app, behind your PIN. The child’s job is to grow up. The rules are yours to set.
See how a parent enters the PIN to change settings → How the Parent PIN Works Curious what the “time’s up” screen looks like → Gentle Guidance