Kiyari G.K.

Software we design, build and run ourselves.

From quantitative market research to everyday apps for the kitchen, the gym and learning Japanese, every Kiyari product is made and supported by our own team.

Explore our products Get in touch

Approach

How we build.

Private by default

Our everyday apps need no account. Your cellar, workouts and recipes stay on your own device.

Works offline

Installable web apps that open instantly on any phone and keep working without a connection.

Accuracy first

Our data products are built to be correct and reproducible before they are fast.

Products

What we have built.

Six products in use today, from a market research platform to apps for everyday life and for learning Japanese.

Finance

AI Broker

Web platform · Global equities

Quantitative momentum research for investors. AI Broker ranks and screens stocks across global markets and lets you test a strategy against history before you commit to it.

Visit aibrokerhq.com (external site)
  • Momentum rankingsStocks scored and ranked across markets.
  • Stock screenerFilter a universe down to what fits your strategy.
  • Strategy backtestsSee how a strategy would have performed.
Everyday life

  • Cellar Book

    Web app · No account

    Photograph a bottle or a whole rack. Cellar Book reads the labels, rates each wine and keeps your cellar on your phone.

    Open Cellar Book (external site)

  • Gym Bot

    Web app · No account

    Exercise demonstrations, guided programmes and set logging, with your training history kept on your device.

    Open Gym Bot (external site)

  • Recipe Book

    Web app · Works offline

    Cook from your phone: tick off ingredients, send the shopping to a list and plan the week’s meals.

    Open Recipe Book (external site)
Learning Japanese

  • Yuki

    Voice tutor · Beginner to advanced

    Practise speaking Japanese in real-time voice conversations with an AI tutor that adapts to your level and your chosen topic.

    Talk with Yuki (external site)

  • Learn Japanese

    Web app · Works offline

    Twenty-eight practice tools for hiragana, katakana, kanji, numbers, dates and the prefectures, on phone or desktop.

    Open Learn Japanese (external site)

About

Consulting and product development.

Kiyari G.K. helps clients plan, build and run software, and builds and operates products of its own with the same team and the same standards.

The products above are our proof of work: we designed and engineered every one of them, and we host and support them ourselves.

  • Technical consultingArchitecture reviews, technology choices and delivery plans, grounded in systems we run ourselves.
  • Product developmentFrom first prototype to launched web app, with design, engineering, hosting and support under one roof.
  • Data and quantitative systemsData pipelines, analytics and research platforms built to be accurate and reproducible, as in AI Broker.
  • Applied AILanguage models, voice and image recognition put to practical use, as in Yuki and Cellar Book.

Contact

Work with us

Tell us about a project you want built or reviewed, or ask about one of our products.

Email us