• Tetragram - hack the world

    Virtually post your picture on the real world

  • What is Tetragram?

    • It's like a magical camera, through the camera you will see a digital picture posted on a real object such as a wall or table.
    • Not just see, everyone can post their own pictures to real walls, as long as there is a QR code printed on the wall.
    • The picture exists permanently, you can tell friends to see it anytime on the place with Tetragram app.

  • With Tetragram You...

    Hack the real world in 3 steps


    Find a QR code on a wall and scan it with Tetragram app


    Select a picture and post it with the place information

    Show off

    Send it to your friend, tell them to see how you hack the real world

  • Try it now!