Everything Nubi does,
and why.
Six things to know before you back. The rules Nubi lives by, what the hidden care rating does, how the collection works, and what happens when you slip up.
Clicks on. Charges with
the cable you already own.
Nubi clicks onto the back of your phone with MagSafe (iPhone 12 and newer) or the Qi2 magnetic ring on Android. Take it off, snap it back, it stays put.
It runs on its own battery and charges over USB-C, so it never touches your phone's battery. If the Kickstarter goes well, a charging dock joins the line-up as a stretch goal: a small stand Nubi can sleep on at night.
Your screen is
the only button.
Nubi reads one signal: is your phone locked? While you use your phone, Nubi gets hungry during the day (07:00 to 22:00) and tired at night (22:00 to 07:00).
The only way to feed it or let it rest is to lock your screen. There is no feed button, no treats to buy, no shortcut. Just the phone, face down.
Try it: flip day and night, then lock the phone.
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A care rating
you never get to see
Every locked minute and every restful night flows into one hidden care rating. We keep it hidden on purpose: a visible number turns into a thing to chase, and Nubi is not another streak. The rating decides two things: which tier Nubi grows into, and whether a neglected Nubi steps back a stage.
Locked minutes by day, steady beats long
Locked nights, earlier and longer is better
Consistency across weeks, not one heroic dayThe rating picks the tier. Which Nubi you get inside that tier is random, with the odds tilted toward forms you have not raised yet. Two people with a perfect score can still end up with different Nubis.
Grown up? Keep it,
or hatch the next one.
When Nubi is fully grown you can keep it exactly as it is, for as long as you like. Or you start a new egg. Two reasons people go again:
EggBabyTeenAdult↻
new egg
A stage down.
Never a tier down.
Nubi shows neglect as hunger by day and tiredness by night. Only when the hidden care rating drops below its threshold does Nubi step back a growing-up stage. One bad day changes nothing. A pattern does.
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A neglected grown-up steps back to Teen and has to grow up again. But which adult it becomes does not change: the same tier, the same Nubi. The only thing that changes that is a full reset to an egg, and that is your call, in the app.
Small on purpose.
Three jobs to start.
That is the app at launch. We are leaving the door open for extras later, such as cosmetic items to dress up your Nubi.
What will not change: no account, no cloud, no usage reports. The collection lives on your phone and nowhere else.
That's all of it.
No hidden mechanics. Tiers are earned by care, never bought. Pledges from €69 to €89 when the Kickstarter opens in Q4 2027.