Every app we make is its own world.

One founder. Many worlds. Commercium is an independent app studio in London.

We make apps. Each one gets its own look, its own voice and one clear job.

01/ 03

Three Seals

An element card duel in a night temple, fought by karate animals.

  1. Pick a card and clash it with the master's. Fire burns wood, wood soaks up water, water puts out fire.
  2. Three masters, three personalities: hasty Peanut, patient Tosby and Huma, who reads your habits.
Pick a card and clash it with the master's. Fire burns wood, wood soaks up water, water puts out fire. Three masters, three personalities: hasty Peanut, patient Tosby and Huma, who reads your habits.
  • Fully offline. No ads, no accounts, no data collection.
  • Belts from white to black, then dan ranks.
  • Free to play in your browser today.

Coming to the App Store soon. Until then, play.sealduel.com runs in any browser.

02/ 03

369 Zone

A daily 3-6-9 writing ritual that keeps one intention in front of you.

  1. Write one intention: three times in the morning, six at midday, nine at night.
  2. Streaks and a 21-day tracker turn the ritual into a habit.
A 369 Zone session: the same intention written line by line, with the check button below.The 369 Zone history screen: a 17-day streak and the 21-day calendar.
A 369 Zone session: the same intention written line by line, with the check button below.
Write one intention: three times in the morning, six at midday, nine at night.
The 369 Zone history screen: a 17-day streak and the 21-day calendar.
Streaks and a 21-day tracker turn the ritual into a habit.
369 Zone Home Screen widgets showing today's intention and 3-6-9 progress.
369 Zone Home Screen widgets showing today's intention and 3-6-9 progress.
  • A breathing exercise to settle before every session.
  • Home Screen widgets and reminders at the hours you choose.
  • AI suggestions you can edit, refine or replace. The words stay yours.

03/ 03

SlideForge

Type a topic, get a finished, designed presentation.

  1. Start from a topic. SlideForge plans the deck and writes every slide.
  2. Titles, text and layouts arrive finished. Tap any slide to change it.
SlideForge start screen: What are we presenting today? with a topic field and recent decks.The SlideForge editor with a finished cover slide and the slide strip below.
SlideForge start screen: What are we presenting today? with a topic field and recent decks.
Start from a topic. SlideForge plans the deck and writes every slide.
The SlideForge editor with a finished cover slide and the slide strip below.
Titles, text and layouts arrive finished. Tap any slide to change it.
  • Edit any slide, then export to PowerPoint.
  • Share a deck as a link.
  • Free to download and free to start.

How we work

Make what should not be possible for one person.

  1. 01

    Start with the idea, not the team

    We use technology to reduce the work it takes to turn an idea into a finished product. AI agents, coding assistants and automation handle what can be systematised; the founder stays responsible for the direction, the judgement and the final result.

  2. 02

    Measure before we assume

    We treat products as experiments. We build, observe, test and change them based on evidence rather than intuition alone. A release is not the end of the process; it is another source of information.

  3. 03

    Use machines for leverage

    AI is not the product philosophy. It is part of the infrastructure. We use capable tools to extend what one person can research, design, build, test and run, while responsibility for the work stays human.

Every app we make is its own world.

Questions, press or a partnership: write to us. Every app we have released is on our App Store page.