Watch: 28 seconds
One deliberate place for one private thing
That private note you need twice a year: is it in an app you barely use, or a cloud note you forgot? Put only the words that matter into MI8OS.
Discover the MI8OS Card€49,00 for 3 cards. One-time purchase, no account.
No extra account, no forgotten app
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No account, no serverYou create, write and open your vault entirely on your phone.
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No subscriptionOne purchase. The cards keep working without a plan.
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No battery, nothing to chargeYour phone powers the card when you hold it close.
Keep the card where you’ll remember it
How it works
Write it once. Open it with a tap.
- 01
Add your secrets
Passwords, recovery phrases and private notes.
- 02
Choose a Vault Password
Only you know it. MI8OS never keeps a copy.
- 03
Encrypted on your phone
Before anything reaches the card.
- 04
Tap your card
Hold it to your phone and the vault is saved.
Who can open it
A found card is not enough
- Your MI8OS Card
- The MI8OS app on an NFC phone
- Your Vault Password
Opening the vault takes all three. Nobody can recover a forgotten Vault Password, not even MI8OS.
MI8OS Card gen 2
3-card set
In stock
FAQ
Before you buy
Someone finds a card I lost.
They have an unlabelled card containing encrypted data. There is nothing on it that identifies you or the vault.
I lose my phone.
Install MI8OS on another compatible phone, tap any card and enter the vault password to restore access.
I forget my vault password.
The vault cannot be reset or recovered. There is no reset option, recovery code or hidden way around the password.
MI8OS as a company disappears.
Your cards do not depend on an account or MI8OS server to hold their data.
Does the card need charging?
No. It has no battery and is powered by your phone during a tap.
Which phones work?
An iPhone or Android phone with the MI8OS app and a working contactless reader.