Write it today.
A letter, a photo, a voice note or a short video, for someone you love, or for future you.
- Letter
- Photo
- Voice note
- Video

Write letters, record voices, and keep photos for the people you love, sealed until their day arrives.
Every sender has a seal. Every seal breaks its own way. Hover to see.
How it works
No notification sound can do this. The seal cracks, the envelope opens, and a voice from years ago fills the room.
A letter, a photo, a voice note or a short video, for someone you love, or for future you.
Choose when it opens: a date, a birthday, an age, a place. Press and hold. The wax settles. Nobody can open it early.
Press and hold
The seal cracks along its own line, the envelope opens, and they hear from you, with a snapshot of the day you wrote it.
The reveal
For My Child
A timeline of letters, photos and voices that opens as your child grows: the first one at 5, the biggest one at 18.

Photo & voice · added today

Sealed · opens in 3 years

From Grandma Sofia

A letter from both of us

Voice note from Dad

The big one · opens 2042
From first words to first day of school to 18.
Or 5, or 10. Every keepsake waits for its age.
Small moments, kept for you. Never shown to them.
Both parents add, plan and see what has opened.
Grandparents add their own letters, without reading anyone else’s.
Four more ways to keep something for later
Reflections and promises to open later, and a letter to yourself every year.
A private gift for one person or a few. Only they can open it.
Friends and family add memories before it opens, without seeing each other’s.
A reveal made for the big day, waiting on the morning they wake up.
Open when…
A set of envelopes, each waiting for its moment. They open when they’re needed, then rest a while before the next one.
More ways to keep a moment
Only when they stand somewhere meaningful.
An advent calendar, a birthday week.
Guess the future together, then see what came true.
Reply now, or seal your answer for later.
Guests leave messages and voice notes via a QR code.
A PDF, a printed-style book, a slideshow.
One photo a month: growing up in seconds.
Recipients don’t need the app.
For the people you send to
On the day, they get an email. One tap opens the full ceremony in any browser: the seal, the letter, the voices. They can save it forever and write back.
Privacy & trust
Your memories deserve more than an old email inbox.
11 languages
Nobody can read a sealed keepsake early, not even us.
Your keepsakes live on European servers, encrypted.
Daily backups, so they outlast any phone.
Keep the app private on a shared device.
A full copy of what you made, any time.
Your account and your data, gone when you say.
Pricing
Begin with what matters most.
Everything, month to month.
Start with a 7-day free trial. About $3.33 a month.
Available at launch, for the first year only.
Video · More voice notes · More children · More “Open when…” letters · Photo covers · More seal colours & 20 symbols · Book & slideshow export · Places & multi-day reveals
One-off, per event guestbook
Prices in USD. In the iOS and Android apps you’ll see your local currency from the store.
iPhone · iPad · Android · Web
Write on your phone, finish on your laptop, open them together on the tablet. Recipients don’t need the app at all.
No. A sealed keepsake is locked until its day. Nobody can open it early, not even us. Within 24 hours of sealing, you can still undo.
They don’t need it. On the day, they get an email and open the full reveal in any browser.
Your keepsakes stay, and they still open on their day.
In the European Union, encrypted and backed up daily.
Yes. Request a full export any time from your profile.
English, Deutsch, Español, Français, Italiano, Português (Brasil), Nederlands, Polski, Türkçe, 日本語 and Filipino.
Co-parents share a child’s timeline as equals, and family contributors join free.