Independent Android apps · UK

Simple apps. Private by design.

CKA Systems creates useful, offline-first Android apps without accounts, ads or tracking — tools that stay on your device and respect your data.

My Bills app icon

My Bills

Available now

A personal finance planning app that helps you track income, bills, and what is safe to spend each month.

  • No accounts
  • No advertising
  • No analytics
  • Works offline
  • Data stored locally on your device

Available now on Google Play

Lune

Coming soon

A private, offline-first period and cycle tracking app — no account, no ads, and your data stays on your device.

  • No account required
  • Fully offline
  • No advertising
  • No analytics
  • Data stored locally
Learn more Coming Soon on Google Play

Need help?

For support or enquiries, email us — we read every message.