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If they get lost, whoever finds them knows who to call.

A page behind an address you put on the collar tag. Whoever finds them opens it on their phone and sees how to reach you; your number is not on the page you share.

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Free with any account · Not a GPS or a microchip · No app for whoever finds them

MaxIf you find me, tap here

The bad afternoon

Three streets away, and back home the same day

Whoever picks them up is a stranger with a phone and thirty seconds of goodwill. That is the whole design brief.

  1. 01

    Someone finds them

    They open the address on the tag: engraved, printed as a QR or written to an NFC tag. They need a phone with internet; no app and no account.

  2. 02

    They see who to call

    Your phone number, the microchip number and whether there is a reward. One tap and the phone is ringing.

  3. 03

    You pick them up

    And the day it is over, you change the address in one tap if you would rather the tag stopped answering.

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Two faces

One page to share, one to find you by

The same animal, two addresses. The second is not linked from the first, and it is the one printed on the tag.

The page

Who they are

The one you share with the sitter, the kennel or whoever asks.

  • Name, breed, age, color and a photo that actually looks like them.
  • What they are like: whether they are friendly, whether they are scared of traffic, whether they bite.
  • Your phone number is not here, and neither is your address.

The lost face

How to reach you

Behind the private address you put on the tag.

  • Your phone number, the microchip and whether there is a reward.
  • Never indexed and never linked from the page you share. Anyone who has the address can open it, so keep it on the tag.
  • Lose the tag and you change the address in one tap: the old one, and anything printed with it, stops answering.

Why not just engrave your phone number?

Because an engraved number cannot be changed. You change phone, you move, you would rather a stranger did not keep your number — and the answer is a new tag. It also tells whoever finds them nothing: not that the dog is scared of cars, not that she is on medication, not what she is called. And the number is readable by anyone who picks the tag off a shelf, not only by the person who found your animal.

  • Your number stays yoursIt is never on the public page, and you can take it off the tag in one tap.
  • It says more than a numberA photo, a name and what someone needs to know to get near them.
  • It changes with youNew phone, new city, new vet: you edit it, you do not re-engrave it.

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The days it earns its keep

Almost never. And then one afternoon it is the only thing standing between a lost animal and a shelter.

  • The walk that goes wrong

    A firework, an open gate, a slipped collar — the usual way it happens, and the fastest way back.

  • Moving house

    The week they do not know the way home yet, and your old address is the wrong one.

  • A sitter or a kennel

    You share the page instead of writing a list on a fridge magnet.

  • A vet who is not yours

    Allergies, medication and vaccines, ready on your phone, in a clinic you have never been to.

The health details are only visible to you, in your account. The tag does not show them, and neither does the page you share.


  • Pay by card (Stripe) or PayPal
  • Refunds handled by a person
  • No automatic renewal
  • Support by email and WhatsApp

Questions people ask before buying.

Does whoever finds them need an app?

No. They read the address on the tag or scan the QR, and a web page opens. Nothing to install and no account.

Is my phone number public?

No. It is only on the lost face, behind the secret address printed on the tag, and that page is never indexed or linked from anywhere.

What if I lose the tag?

You change the address in one tap and the old one stops answering. Your phone number is not on the tag, so losing it does not hand it to anybody.


Put an address on the collar, not your phone number.

It comes free with every account, up to 50 pets, and it does not depend on a plan. We do not sell the tag: you put the address on one you already have.

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