The most uncompromising secure messenger architecture available.
UNDERWORLD is not another encrypted chat app with a privacy slogan attached.
It is a restricted-security communication system built from the ground up for people and organizations who cannot afford exposure, silent downgrade, cloud dependency, metadata leakage, or weak operational defaults.
Individual Plan
9.99€/ month
For users who cannot afford ordinary privacy.
UNDERWORLD is built for journalists, investigators, lawyers, founders, activists, whistleblowers, security researchers, and anyone communicating under pressure, exposure, or risk.
The Individual Plan gives one user access to UNDERWORLD’s full restricted-security environment: a hardened communication system designed to protect messages, files, contacts, identity, and routing without weakening security for convenience.
You are not buying another chat app. You are subscribing to one of the world’s most secure messaging architectures — a system built for people whose communications cannot be exposed, downgraded, backed up, or treated as ordinary data.
This is private communication built for people whose security actually matters.
Private Organization Plan
starting from199€/ month
For teams, companies, media groups, legal networks, investigative organizations, field operators, and institutions that need a secure communication environment customized around their operational reality.
UNDERWORLD can be adapted beyond the public app experience with dedicated infrastructure, custom connection logic, private hosting, and organization-specific app features.
This is not just a subscription.
It is a controlled deployment of a secure communication architecture.
Organization plans can include
Private dedicated server hosting
Custom relay infrastructure
Dedicated connection configuration
Custom app features
Private organization deployment
Controlled onboarding flows
Operational security policy customization
Custom routing rules
Internal-use builds
Priority technical configuration
With private dedicated hosting, your organization does not depend on shared infrastructure or generic defaults. UNDERWORLD can be configured around your network model, internal policies, field requirements, and risk profile.
Starting from €199 / month
For organizations that need more control, more isolation, and a secure communication layer shaped around their mission.