
AdventBox: Advent Calendar
Make your own, share digitally
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Free
In-App Purchases
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About
With AdventBox you make an advent calendar for someone you care about: 24 doors with a note, a photo, a small task or a link. You send one link, and each door opens only on its day in December.
Nothing to install for the recipient
Whoever gets the calendar simply opens the link in a browser. No app, no account, no sign-in. That works for grandparents, for a friend abroad and for anyone who does not want yet another app.
How it works
• Create a calendar: who it is for, who it is from and one of four colour themes
• Fill the doors: text, a photo from your library, a task or idea, a link to a song or video
• Look at the preview, exactly as the recipient will see it
• Send the link by message, email or however you like
Every door in its own time
Door 1 opens on 1 December, door 24 on Christmas Eve. Until then it stays closed, and the calendar shows how many days are left. The doors are mixed up, like on a real advent calendar.
Ideas for every day
No idea for door 17? We suggest small tasks, such as baking cookies together or writing a wish list. Use them as they are or write your own.
Private and encrypted
We encrypt the calendar on your phone before it leaves. The key is only in the link. We cannot see what is in your doors or which photos you use. Photos are made smaller, and details such as where they were taken are removed.
No account, no ads, no tracking
You do not need an account. There are no ads, no advertising ID and no analytics.
Tidied up after Christmas
Shared calendars are deleted automatically after 31 January. You can also take a calendar offline earlier at any time; it stays on your phone.
Try it for free, unlock once
For free you create calendars, see the preview and fill up to three doors. A one-time purchase unlocks all 24 doors and sharing, for all your calendars and for the years to come. No subscription. You see the price in your currency before you buy.
Languages: English, German and Dutch. The recipient's page follows their language.
Questions or ideas? Email us at adventbox@h4it.nl.
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What's New in AdventBox
1.0.0
November 6, 2026
1
Subscriptions & In-App Purchases
$2.99
Unlock AdventBox
All 24 doors and sharing, buy once




