Blink is a secure messenger built on end-to-end encryption. Your servers only ever store ciphertext — your keys never leave your device.
Basic plan starts at $1 per day
Whole-dollar pricing with nothing hidden.
How Blink works
There is no sign-up form asking for your life. You get a recovery phrase, you get access, you pick a PIN.
Your recovery phrase
0
phone numbers or emails needed to sign up
24
words in your recovery phrase
6
digits in your app PIN
1
swipe to lock your whole account
Blink is for adults aged 18 and over.
Everything in one app
Messaging, groups, channels and calls — plus a Locker for your files, a Vault for your passwords and a Passbook for who owes who.
Every classic, done right.
Find your people.
Rooms that stay separate.
Broadcast without the noise.
Talk, one to one or as a group.
Your files, sealed on your device.
Passwords and private notes.
Track who owes who.
The small things you'll actually use.
Every one of these carries the same end-to-end encryption. Browse all features →
Blink's protections aren't buried in settings — they're built into every message, every file, and every device. Here's what's working for you the moment you sign in.
Every message and file is end-to-end encrypted before it leaves your device. Servers store only ciphertext, and your keys stay with you.
Every message and file is sealed on your device before it's sent. Servers only ever see ciphertext.
How encryption worksPrivacy reaches every corner of the conversation — not just the message body.
Explore secure messagingSee every device, lock down the screen, and revoke a lost one for good — with a keyboard built so nothing can watch you type.
A push-triggered, four-step factory-clean wipe revokes a lost device's keys for good.
Learn about device controlBlink's custom keyboard fully disables the system keyboard on iOS and Android.
Learn about the keyboardScreen protection also includes an app-switcher guard and a proximity blackout for sensitive moments.
Learn about screen protection‘Sources stay protected — end-to-end encryption and a duress wipe mean a seized device gives nothing away.’
Duress defense, the Secure Locker, and immortal transaction records are designed for high-stakes work — when ordinary privacy isn't enough.
The reverse-PIN duress wipe is built for the moments you're under pressure.
Learn about duress defenseTransaction messages stay immortal — encrypted, verifiable, retained.
Learn about transaction messagesMulti-tenant Spaces with proper RBAC, space lock and guarding, and the same encryption guarantees on Android, iPhone, and the Windows and Mac desktop apps.
Fully end-to-end encrypted calls and additional data-residency regions are on the way.
See what's coming
‘Privileged files live in the Secure Locker — encrypted, off the device, with the keys in our hands alone.’
Every message and file is encrypted on your own device with authenticated encryption — meaning even a single altered bit is detected and rejected. By the time anything leaves your phone or laptop, it's already sealed.
Your devices agree on a shared secret without ever sending it, then turn it into working encryption keys on the device itself. On phones, the keys that sign you in and seal your account key live in your phone's secure hardware (Secure Enclave / Android Keystore) where available. We never hold a key, so we could never hand one over.
Our database stores only ciphertext — the scrambled output of encryption, unreadable without your keys. There's nothing readable on our side to leak, steal, or hand over.
If a device goes missing, you trigger a remote wipe with a single push, and a four-step cleanup clears it the moment the signal lands — on Android, iPhone, and the Windows and Mac desktop apps alike. The device is wiped whether or not it's in your hands.
You don't have to take our word for any of this — that's the engineering, not the promise.
Your messages are sealed before they ever reach our servers.
Coming to your computer
A real installer — a .exe for Windows, a .dmg for Mac — coming soon to your Blink dashboard. Scan a QR code with your phone and your chats, Locker and Spaces are right there, sealed exactly as they are on mobile.
.exe installer
Coming soon.dmg disk image
Coming soonSign in by scanning a QR code. Your account key travels encrypted to a one-time key inside it — the server relaying it only ever passes along scrambled data.
Pricing
Start with our Basic plan — for individuals, with every Blink defence built in. Every plan is end-to-end encrypted; our servers only ever store ciphertext.
Private messaging for one person, with every Blink defence built in.
What's included
Illustrative personas showing how Blink's architecture holds up under pressure.
Your files live in an encrypted vault where even the filenames are hidden.
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Receipts and records never expire, and they are sealed with the same end-to-end encryption as your messages.
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A second PIN quietly erases everything if you are ever coerced into unlocking.
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On your phone, Blink comes in everyday app designs — a game, a calendar, a weather app. It opens as that app, and your chats appear once you sign in.
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Calls run over secure media servers today; end-to-end-encrypted calls are coming.
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