ElsewhereYour screen is yours. Not ours, not anyone's.
Three promises, and what each one looks like. Scroll.
Only your devices can see it.
The picture, your keystrokes, and the clipboard are encrypted on one of your devices and decrypted on the other. Nothing in between can read them, including us.
Connected directly, device to device.
Our servers only introduce your devices to each other. Once they've found each other, the connection runs straight between them. Your screen never passes through anything we own, so there is nothing on our side to watch, store, or leak.
Nothing in the middle to break into.
The keys that unlock the picture are made on your devices and never leave them. No open ports on your network, no password sitting on a server, and anyone on the network between them would see only noise.
On the rare network that blocks a direct path, an encrypted relay passes the packets along without being able to read them, and the app says “relayed” so you always know.
In plain terms
What we can see, and what we can't.
No certifications to hide behind yet. Just the list.
We never see
- Your screen
- What you type
- Your clipboard
- Your files
- Who you connect to by ID
We do see
- Your email address
- The names of your devices
- When a device is online
- Your devices' public addresses, while they find each other
- Which devices connected, and for how long
- Your subscription status
We keep that so your devices can find each other and so billing works. Nothing else is stored, and sessions are not logged beyond start and end.
Your account
The account is the other half.
Sign in with Apple or a passkey
No password to reuse or leak. Email sign-in uses a code, never a password.
Every new device is announced
Sign in somewhere new and every other device tells you. If it wasn't you, sign it out from your account page.
Approve every stranger
Your own devices connect silently. Anyone using your ID needs the current passcode and a click on Accept at your end.
Questions
The ones people ask.
What encryption do you use?
Sessions run over WebRTC with DTLS-SRTP, the same system video calls use. Keys are made on your devices for each session and never leave them.
What happens when a direct connection isn't possible?
A relay passes the encrypted packets along without being able to read them. The app says “relayed” so you always know.
Can someone connect to my computer without me knowing?
Only your own signed-in devices connect silently. Anyone else needs your ID, the current passcode, and your click on Accept. The menu bar shows who is connected the whole time.
What if I lose my phone?
Sign it out from your account page on any other device. Its sessions end immediately.
Can you reset my passcode or look at a session to help me?
No. We can't see sessions and we don't hold the keys. We can help with your account and billing, not with what happens on your screen.
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