c’aK Apps

Apps and systems that stay out of your way.

We build simple, dependable software: our own apps for people, and websites, portals and payment-ready platforms for schools and foundations.

Apps

S Wallet

Google Play, App Store: coming soon

A private money tracker for Android. Multiple currencies, wallets, debts with due dates, reminders and widgets, all kept on your phone.

Explore S Wallet (opens in a new tab)

Credenza

Google Play, App Store: coming soon

A private drawer for warranties, invoices, bills and installments. Reminders before they end or fall due, all encrypted on your phone.

Explore Credenza (opens in a new tab)

Sunnote

Google Play, App Store: coming soon

A private health and symptom journal. Log pain, energy and mood in seconds, see patterns, and prepare for appointments. Encrypted and offline.

Explore Sunnote (opens in a new tab)

Proche

Google Play, App Store: coming soon

A private relationship manager. Keep people, birthdays, meetings and gift ideas in one place, scan business cards, and stay in touch. Encrypted and offline.

Explore Proche (opens in a new tab)

How we build

  • Data belongs to its owner.

    Our apps keep your records on your own device. The systems we build for organisations leave the data in the organisation's hands, not ours.

  • No ads, ever.

    Software is paid for by the people and organisations that use it, never by showing you someone else's product.

  • Simple to use.

    Opens fast, with few settings. If something doesn't earn its place, it goes.

Games

Nodum

Google Play, App Store: coming soon

A calm logic puzzle that mixes Nonogram and Minesweeper. No guessing, no timer, no ads, and it works offline.

Explore Nodum (opens in a new tab)

Starnook

Google Play, App Store: coming soon

A calm puzzle that mixes Shikaku and star placement: split the grid into boxes and give each box one star. No ads, no account, and it works offline.

Explore Starnook (opens in a new tab)

Mirror Paths

Google Play, App Store: coming soon

A calm puzzle of light and mirrors: place mirrors so one beam crosses every square. A new daily puzzle. No ads, no account, and it works offline.

Explore Mirror Paths (opens in a new tab)

Collision Maps

Google Play, App Store: coming soon

A calm logic puzzle: paint spreads from hidden drops, and you find where each one fell from the map it left. The first 32 levels are free. No ads, no account, and it works offline.

Explore Collision Maps (opens in a new tab)

Mobile apps
Fast, private apps and games for Android that work offline: S Wallet, Nodum, Starnook, Credenza, Sunnote and Proche.
Platforms for foundations
Bilingual websites with an admin area, news and projects, and online donations that take real payments.
School portals
Admissions, attendance, grades, notifications and student follow-up, with profiles for principals, teachers, parents and students.