What if you needed that information… right now?
Password. Document. Card. Note.
Strong encryption. Full control.
How many times did you need information that was on your home computer?
Think about what you need to protect and access quickly:
All of this in one place. On your phone. Offline. Protected.
If you want, tell us what else you miss having at hand.
Real moments
When LockZero makes a difference.
What was the account number?
I'm at the bank, no computer. Opened the app and done.
bankPassport, visa, reservation...
All in my pocket. I'm abroad with no internet and it worked fine.
travelHe's allergic to what again?
Kids' allergy list. Always with me.
emergencyNo signal down here.
I'm in the hospital basement. App working fine.
offlineSimple as that
No account. No signup. No hassle.
Choose your passphrase
A song, prayer or phrase that only you know.
It protects everything.
Store your information
Passwords and important notes.
Everything stays encrypted on your phone.
Access when you need
Open the app, enter your phrase, done.
Works offline — on the plane, subway, anywhere.
No password recovery. No waiting for SMS. Just you and your phrase.
Works where the browser can't reach
No internet. No server. No depending on anyone.
Zero servers
Your data never leaves your phone. There's nothing to hack remotely.
Zero sync
Nothing is sent over the internet. You decide when, how and where to store your backup.
Zero external access
Not even we can see your data. Your passphrase is yours alone.
"If no one else has access, no one else can leak."
See technical detailsWhat you can protect
All in one place. All offline.
Passwords
Sites, apps, services — encrypted username and password
Secure notes
Documents, lists, codes — any important information
The 4 Zeros
What you get with LockZero
Zero Internet
Works on planes, subways, abroad. Your data doesn't depend on connection.
Zero Knowledge
Only you have access. Not even we can see your data.
Zero Reset
No one can reset your phrase. That proves no copy exists.
Zero Subscription
Pay once, use forever. No monthly fees.
If no one else has access, no one else can leak.
Real protection
AES-256
Bank-level encryption
Your phrase = your key
Never stored
All local
Nothing sent to servers
No subscription. No surprises.
Security shouldn't depend on monthly payments.
Lite
Perfect to start
- Up to 15 passwords
- Up to 5 notes
- Up to 2 cards
- 25 MB of attachments
- 100% offline
- Encrypted backup
- No ads
Premium
For real daily use
- Unlimited passwords
- Unlimited notes
- Unlimited cards
- Extended attachment support in notes (up to 3 GB)
- Future updates
Not "or". It's "and".
LockZero complements your browser.
| Situation | Browser | LockZero |
|---|---|---|
| At the computer | ✓ | — |
| At the bank | — | ✓ |
| At the airport | — | ✓ |
| At the notary | — | ✓ |
| Without internet | — | ✓ |
| Notes and important info | — | ✓ |
On someone else's computer, your phone's browser won't help. LockZero lets you look up your passwords and information to type manually.
Chrome protects your computer. LockZero protects you.
The browser stores logins. LockZero stores context, memory and personal information — offline.
Download LockZero
Available for Android and iOS
Next time you need a password and don't have it... you'll have LockZero.
Your vault. Your pocket. Never caught empty-handed.
Have your important information always with you.
Install Now