SILOXPrivate beta · Android 16+ · Invite-only
ONE KEY. EVERY SILO.
The cold instrument for everything you can't afford to lose. An encrypted courier, an on-device AI, and a counter-surveillance sweep — plus a password vault and an encrypted journal — all sealed to one master key. Nothing leaves your phone.
On-device · AES-256 sealed · No tracking · No account on our servers
The stakes
Your life is scattered —
and leaking.
Passwords in a browser someone else owns.
Documents in a cloud you don't control.
Notes in apps that quietly read them. A phone that broadcasts your every move.
SiloX pulls all of it into one sealed instrument.
Meet the instrument
Five silos. One key.
Everything you protect, in one black, machined tool — built for Android 16+, sealed to a key only you hold.
Dispatch
Send a secret with no server in the middle.
- End-to-end encrypted messages — by QR in person, or sealed text through any app you already use.
- Verify peers by fingerprint; forward-secret, read-once messages leave nothing behind.
- No server, no account — a message opens only on the phone that holds the key.
Oracle
An analyst that never phones home.
- Ask across your vault, notes, and documents — answered on-device.
- "What's weak? What expires this quarter? Summarize my week."
- Every answer cites the source item. No network. Ever.
Perimeter
Know who's watching.
- A passive Wi-Fi + BLE sweep that flags devices following you across locations.
- Names your safe places; surfaces the tail.
- Never uses your GPS or the network.
Vault
Credentials & documents, sealed.
- Passwords, passkeys, and live 2FA codes in one place.
- A document safe for passports, licenses, and policies — with expiry alerts.
- Built-in generator, strength meter, and hygiene checks.
Dossier
An encrypted journal that thinks in links.
- Markdown notes, notebooks, and [[backlinks]].
- Full-text search, tasks, pins — all sealed to your key.
- Write in the clear; store as ciphertext.
How it works
Sealed to one key.
Including from us.
Set one master key.
Your password derives a 256-bit key on the device. It never leaves the phone and is never sent to us.
Everything seals to it.
Each secret is encrypted with AES-256-GCM. Lose the phone, lose nothing — it's ciphertext without your key.
Unlock by face or print.
Biometric fast-unlock, auto-lock when you set it down, and a panic-lock tile in your quick settings.
What our servers store: one thing — the email you give us to send your invite. The app itself needs no account, no login, no cloud. Your silos never touch our infrastructure.
Why SiloX
Not a password manager.
| SiloX | Password manager | Cloud notes / drive | |
|---|---|---|---|
| Offline-first | ✓ | ~ | ✕ |
| On-device AI analyst | ✓ | ✕ | ✕ |
| Counter-surveillance sweep | ✓ | ✕ | ✕ |
| Encrypted P2P courier | ✓ | ✕ | ✕ |
| No account on a server | ✓ | ✕ | ✕ |
| One key for everything | ✓ | ✕ | ✕ |
We built the tool we wanted to carry through a hostile world — and refused to put your secrets on anyone's server, including ours.— The SiloX team
Private access
Request your clearance.
Cohort 01 is invite-only, for phones on Android 16 or newer. Tell us where to send your invite — and a little about how you'll use SiloX, so we seat the right people first.
Questions
Before you ask.
Is it really free during beta?
Yes — Cohort 01 is free, and founding members keep perks when we launch paid tiers.
Which phones does it run on?
Any Android phone running Android 16 or newer — Pixel, Samsung Galaxy, and others. SiloX uses the hardware-backed keystore and biometrics your phone already has.
Do you ever see my data?
No. The app needs no account and never syncs your silos to a server. The only thing we hold is the email you give us on this page, used solely to send your invite.
What if I lose my phone or forget my key?
Your data is ciphertext without your master key — useless to whoever finds the phone. We can't recover it either; that's the entire point. Back up your key somewhere safe.
How is this different from a big password manager?
It's offline-first, does far more than passwords (notes, documents, on-device AI, counter-surveillance, an encrypted courier), and never parks your secrets on someone else's server.
When do invites go out?
Rolling, by cohort. You'll see your waitlist position the moment you request access — and you can move up by referring others.
What Android version do I need?
Android 16 or newer.