Software that doesn't watch you.

Five private, local apps with no analytics. Your data stays on your device — never in anyone's cloud.

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Ecosystem

Our applications

Hydra Pocket

One app, endless tools. Hydra Pocket is the only app in the ecosystem that doesn't do just one thing — you tell it what you need, and it builds the tool for you: task lists, expense tracking, inventory, clients and jobs, vehicle maintenance, project management, freelance work, personal mini ERP. No coding required.

Available
Monthly Annual

MindTrace

Mental wellbeing tracking, 100% local, no cloud accounts.

Available
Monthly Annual

BinauralNature

Binaural sounds and nature ambiences for focus and rest.

Available
Monthly Annual

ZeroTrace Guardian

Device privacy cleanup and protection, no telemetry.

Available
Monthly Annual

AirBot Radar

Airdrop and free sample alerts, with anti-phishing filtering.

🎁 Free with any subscription

Download reserved for subscribers. Direct install, outside any store.

Free

Try it for real, no tricks

No card, no sign-up, no time limit. Download the available free versions and see for yourself before you decide.

MindTrace

Free daily entry, forever

BinauralNature

4 free sounds, forever

ZeroTrace Guardian

1 free privacy scan

Hydra Pocket

2 free templates forever
Pricing

Choose your plan

Individual monthly

€4.95/month
  • 1 app of your choice
  • Updates included
  • No ads
  • 🎁 Free AirBot Radar
Choose your app

Individual annual

€59.40
€24.50/year
  • 1 app of your choice
  • Save over 50%
  • No ads
  • 🎁 Free AirBot Radar
Choose your app

Full pack annual

€98.00
€75/year
  • All apps
  • Access to future apps
  • Priority support
  • 🎁 Free AirBot Radar
Subscribe now
Blog

Cybersecurity, no hype

Privacy

Why "free" usually means you're the product

How the business model behind most free apps really works.

 Mobile security

Android permissions you should review today

A quick guide to auditing which apps have more access than they need.

 Ethical design

Dark patterns: spotting them so you don't fall for them

Common manipulative design patterns, and how Silentium avoids them.

All articles →