A phone number free chat app that actually means it.
They're watching. Every message.
Hey, can you send me the account details?
10:42 AM
Sure, the password is Summer2024!
10:43 AM
Got it. What about the PIN?
10:44 AM
It's 4729. Don't share this with anyone.
10:45 AM
Without encryption, every keystroke is exposed.
Every 'phone number free chat app' should looklike this
Zero phone number fields, zero SMS steps, zero excuses about 'verification'.
Signup Without a SIM
Create an account with username + password, or skip signup entirely with an anonymous session. No phone, no SMS, no carrier.
Keys, Not Numbers
Your identity is a cryptographic key pair that lives on your device. There's no phone number to steal because there's no phone number stored.
Video and Voice, Same Deal
Phone-number-free video calls and encrypted voice chat. Everything routes through the app, with no carrier involved.
End-to-End Encrypted
No phone number AND encrypted content. Both are necessary for real privacy, and NoChat gives you both.
Built on auditable, standards-based cryptography. How we secure it
A phone number free chat app
with post-quantum DMs
Signing up without a phone number is step one. Keeping the content private for decades is step two. NoChat combines phone-number-free signup with post-quantum key exchange for direct messages so your DMs stay private long after your old SIM is forgotten.
NIST Approved Standards
The same cryptography the US government will use
ML-KEM
Key encapsulation
ML-DSA
Digital signatures
Harvest Now, Decrypt Later
Why this matters today, not tomorrow
Nation states are already storing encrypted communications. When quantum computers arrive, they'll decrypt years of captured data instantly.
Most mainstream messengers, including WhatsApp and Telegram, still don't offer post-quantum messaging. NoChat ships post-quantum key exchange for your direct messages today.
phone number free chat app: questions, answered
Common phone number free chat app questions, answered plainly.
Is NoChat really a phone number free chat app?
How do I sign up without a phone number?
What other chat apps don't require a phone number?
Can I use this phone number free chat app on multiple devices?
Do I need email to sign up?
How do people reach me without a number?
Is a phone number free chat app safer from scams?
Does NoChat work offline or peer-to-peer?
Ready to go dark?
Get NoChat for iPhone & Android
No account required. No ads, no data sold. No compromises.
Desktop apps
Dispatches on private messaging
Reporting on encryption, anonymous messaging, and what it takes to build a secure messaging app with no phone number required.
Opt Out October: Reclaiming Your Digital Privacy with Secure Messaging
Explore Opt Out October's call for digital independence. Learn how private, phone-number-free messaging protects against surveillance and data leaks.
Why Private Messaging Matters: A Look at Social Media Surveillance
A recent court ruling highlights the ongoing concern of social media surveillance. Learn why private messaging, free from phone numbers, is essential.
Why Private Messaging Matters: Resisting Surveillance in a Digital Age
Explore the growing concerns about digital surveillance and how private, phone-number-free messaging protects your data and identity.
Also worth reading
private messaging no phone number
Private messaging with no phone number required. NoChat is an encrypted messenger you can use without a SIM card, without SMS verification, without surrendering your number.
Learn moreanonymous messaging app
Chat anonymously, with no phone number, no email, no real name required. Join a conversation in seconds with no account. E2EE by default. Free forever.
Learn moreencrypted messaging app
NoChat is an encrypted messaging app with end-to-end encryption and post-quantum key exchange for direct messages. Anonymous sign-up, zero knowledge storage, no phone number required.
Learn moreJoin the quiet ones
Join a community that values privacy over convenience.
No phone number, no tracking ID
Sign up anonymously. There's no number to link your conversations back to you.
Encrypted on your device
Messages are sealed with AES-256-GCM before they leave your device. The server only ever sees ciphertext.
Verify, don't trust us
Built on open, standardized cryptography, with no homegrown crypto. Verify our claims against public standards instead of taking our word for it.