Do U Know
the Number?

Dial your friends from memory.

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About

Your numbers stay on your phone

No phone numbers are ever sent anywhere. This game has no servers, no accounts, and no analytics.

  • Every contact, number, portrait and score is stored only on this device, in your browser's local storage.
  • Nothing is uploaded, shared, or tracked — the app works fully offline.
  • Delete a contact and it's gone for good. Clear your browser data and the whole game resets.

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Do U Know the Number? · a little offline memory game.