Advent App

Sator Square Jun 2026

Fill 24 doors with photos, videos, GIFs, YouTube clips and messages. Send the calendar to a partner, a friend, your kids — anyone you care about — and let them open one surprise per day from December 1st.

Advent App running on an iPhone

What you can do with Advent App

📸

Photos behind every door

Drop in your favourite memories — from a quick snap to a full year of moments — and watch them open one day at a time.

🎬

Videos and GIFs

Record a short video, pick a GIF from Giphy, or paste a YouTube link. Up to 30 seconds of moving content per door.

💌

Personal messages

Add a written note to each photo or video — a song lyric, an inside joke, a reason you love them.

🔗

Send by link

Share the finished calendar by WhatsApp, iMessage, email, or any other channel. The recipient doesn't need an account.

🎨

Two designs to pick from

Classic vintage doors with hand-set numerals or a modern 2023 design with festive illustrations.

🚫

Optionally ad-free

Free with a short rewarded ad before each door, or a one-time in-app purchase to remove ads entirely for the recipient.

How it works

1

Create

Tap "+", pick a recipient name and a design, choose a cover photo. Done in 30 seconds.

2

Fill

Tap any of the 24 doors and add a photo, video, GIF, YouTube link or message — in any order.

3

Send

Tap "Send", confirm your name, and share the link. The recipient opens one door per day from December 1st.

Sator Square Jun 2026

The square is composed of five words: . SATOR : Sower, planter, or creator.

Hidden in the ruins of Pompeii, etched into the stone of medieval cathedrals, and even found in 18th-century folk magic, the is one of the most enduring puzzles in history . This 5x5 grid of five Latin words isn't just a linguistic curiosity; it is a fourfold palindrome that reads the same horizontally, vertically, forwards, and backwards. The Square and Its Meaning

While the individual words are Latin, their collective meaning remains a subject of debate: "Sower," "planter," or "creator". sator square

: To cure rabies, the instruction was to write the square on a piece of bread and feed it to the afflicted. In Germany, it was specifically believed that a disk carved with the Sator Square could extinguish fires . It was used as a good luck talisman worn as a ring or amulet, with examples of such rings dating from the 15th to 16th centuries.

As the Roman Empire expanded, so did the square. Examples have been unearthed in: The square is composed of five words:

Here is the classic arrangement:

The name of the secret organization (and a palindrome itself), representing the concept of holding or gripping onto time. This 5x5 grid of five Latin words isn't

: In traditional healing, the square was written on a piece of bread and fed to a sick person to cure fevers or mad dog bites.

The earliest iterations of the Sator Square are referred to as the . In these earliest examples, the square begins with the word Rotas at the top left, rather than Sator .

A mysterious word that does not appear elsewhere in Latin literature. It is often considered a proper name or possibly a Celtic-derived word for "plow". Tenet: "Holds," "possesses," or "maintains". Opera: "Works," "labor," or "with care". Rotas: "Wheels" or "cycles".

Ready to make a Christmas they'll remember?

Free on iPhone and Android.