STRADARIUM LTD

Independent software company

Useful software for everyday life.

STRADARIUM LTD makes calm, practical digital products that respect people’s time, attention and privacy.

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Made for real life Privacy by design Clear by default
The Daily Edition · 01

Today’s story · Shopping

At the café

A sandwich costs £4.50 and a drink costs £1.80. How much do you pay altogether?

£4.50 £1.80
One useful minute 64%
100%Offline learning
0Accounts required
0Advertisements
7Everyday settings

What we make

Small products with a clear job to do.

We turn familiar moments into focused experiences—without clutter, pressure or hidden data collection.

Practical by design

Ideas begin with something people genuinely need to understand or do in daily life.

Quiet technology

The interface stays out of the way so the useful part has room to work.

Private foundations

We minimise data and build offline when the product does not need a connection.

Human explanations

Clear language and step-by-step guidance make learning feel approachable.

Inclusive choices

Readable typography, accessible controls and flexible settings belong from the start.

Built to keep

No novelty for its own sake—just dependable products people can return to.

Now available from STRADARIUM

Maths that starts with the day you already have.

Everyday Math Stories turns shops, journeys, recipes, bills and work into short, friendly maths practice.

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Our first product

One story a day. One skill made stronger.

Practise addition, percentages, time, measurement and more through the decisions that make up ordinary life.

  1. 01Choose what mattersPick a level and the everyday categories that interest you.
  2. 02Solve a short storyUse a hint when needed and answer in about a minute.
  3. 03Understand the methodSee the answer worked through step by step, with a reusable tip.
  4. 04Keep a private recordTrack streaks, skills, saved stories and revision on your device.
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