Social
Umbera · Private Messenger
An end-to-end encrypted messenger that needs no phone number, email or contact upload to sign up.
Get the app
Opens the official store page
- Developer
- Vahe Aramyan
- Score
- —
- Downloads
- 0 ratings
- Age
- Rated 17+
- Version
- 1.2.1
- Price
- Free
Screenshots
About this app
Umbera is a messenger for anyone who doesn't want a chat account traceable back to them. Sign-up is a login and a password, nothing more: no phone number, no email, and the app never reads or uploads your address book. Text, photos, files and voice notes get encrypted on the device before going anywhere, the server deletes what it holds after a limited time, and chats can be set to disappear on a timer. Voice and video calls are end-to-end encrypted too, including group video. Communities are public and private channels where each channel gives you a different pseudonym. A built-in Tor client can route the whole app to hide your IP address, the app locks with a PIN or with Face ID or Touch ID, and the encryption uses post-quantum algorithms (ML-KEM-1024 alongside X25519). Strangers can't message you until you accept their contact request, reports are reviewed within 24 hours, and it's for adults 18 and over.
Umbera · Private Messenger: the full guide
What the app is
No phone number, no email, no contact upload. Umbera is a messenger designed so that an account can't be traced back to a person: you sign up with a login and a password and nothing else, and the app never reads your address book.
Everything is encrypted on the device before it leaves, the server purges its copy after a set period, and chats can be timed to vanish. Voice and video calls, including group video, are end-to-end encrypted, a built-in Tor client can hide your IP address, and the cryptography uses post-quantum algorithms alongside X25519. It's for adults 18 and over.
How it works day to day
First you invent a login, then you share it with someone, because there's no contact discovery to do it for you. A stranger can't reach you until you've accepted their request, so the inbox stays quiet. Day to day it's text, voice notes, files and photos like any messenger, with the difference that a timer can wipe a chat and the Tor switch can route everything through the onion network at a cost in speed.
Communities work differently: each channel gives you a separate pseudonym, so what you say in one can't be linked to another. The app locks behind a PIN or Face ID.
Why people look for it
Anonymity, specifically the kind that most encrypted messengers don't offer because they still want a phone number. Journalists, activists, people in difficult situations and privacy-minded users search for sign-up without identifiers, and this ticks that box. The post-quantum encryption and Tor routing attract the technically curious. Nobody has rated it, so word of mouth is how it spreads.
Look and feel
Privacy tools often look austere, and the five screenshots on the page should show whether Umbera is an exception. A messenger with chats, calls, communities and a Tor toggle has several surfaces to present, so expect a conventional tabbed layout with settings that go deeper than usual. The PIN lock and pseudonym system suggest extra screens that other Social apps don't need.
