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How Your Data
Flows Through the MC03

A consumer-friendly look at the architecture behind AphyOS and the Sovereign Stack.

Most smartphones collect data for others.
MC03 is designed to work for you.

Traditional mobile platforms are built around advertising, profiling and behavioural data collection.

MC03 follows a different approach: your data remains under your control, protected by a Swiss-built operating system, privacy-focused services and a transparent architecture.

MC03 data flow architecture visual
1

What happens on
a conventional smartphone?

When you install an app on a conventional mobile platform, information can often travel through multiple third parties:

  • Analytics providers
  • Advertising networks
  • Behavioural profiling systems
  • Cloud infrastructure outside your control

In many cases, users have little visibility into where information goes after it leaves the device.

You
App
Trackers
Ad Networks
Data Brokers
Unknown Destinations
2

The MC03
Data Journey

MC03 is built around a different principle:

Only the information necessary for a service to function should be shared.

AphyOS removes much of the tracking and profiling infrastructure commonly found in mainstream mobile ecosystems and places greater control in the hands of the user.

You
MC03
AphyOS
Your Chosen Services
3

The Two Worlds: Vault and Wild Web

Vault

Your trusted environment

Only carefully selected applications operate here.

Examples:

  • Proton Mail
  • Proton Calendar
  • Proton Drive
  • Threema
  • Aphy services

Vault is designed to provide a calmer, more controlled mobile experience with trusted services.

MC03 Vault and Wild Web separation

Wild Web

Access the wider Android ecosystem

Need a banking app?

Need WhatsApp?

Need Google Maps?

Wild Web allows access to broader Android applications while keeping them separated from the trusted environment.

  • Greater flexibility
  • Sandboxed applications
  • User-controlled permissions
  • Clear separation from Vault

The goal is not to prevent app usage, but to contain unnecessary access to personal data.

4

How App Isolation Works

Think of Apps Like Apartments

On many smartphones, apps can learn more about each other than most users realise.

AphyOS uses application separation and sandboxing to help reduce unnecessary information sharing.

App isolation illustrated as separated apartments
  • It cannot freely enter neighbouring apartments.
  • It cannot automatically see what happens elsewhere.
  • Access requires explicit permission.

This approach helps reduce the spread of personal information across applications.

5

The Data Ledger

See what your apps can access

Most mobile platforms ask for permissions once and then hide them.

AphyOS introduces the Ledger, a privacy dashboard that helps you understand and manage how individual applications interact with your data.

AphyOS permission ledger dashboard
Manage Permissions →
6

Protected Communications

Communication services within the Apostrophy ecosystem are designed around privacy-first principles.

Services such as secure messaging, cloud storage, VPN connectivity and personal information management are integrated into a unified environment intended to reduce unnecessary exposure of personal data.

Protected communication services
7

Built in Europe. Managed in Switzerland.

MC03 combines:

  • European hardware manufacturing
  • Swiss software development
  • Privacy-focused infrastructure

The result is a mobile ecosystem designed around transparency, accountability and long-term control.

European sovereign technology ecosystem
8

Privacy by Design Means Saying No

  • No behavioural profiling
  • No advertising business model
  • No selling personal data
  • No hidden tracking ecosystem
  • No incentive to monetise your attention

MC03 is funded through the purchase of the device and associated services—not through the collection and monetisation of personal information.

Privacy by design illustration