Who Is Sudoku365 For?
Who gets the most out of Sudoku365? Daily-habit puzzle lovers, beginners through experts, offline commuters, and anyone motivated by streaks and stats.
StudyX
StudyX Devlog: Essay
StudyX Devlog articles tagged "Essay".
Why We Built Sudoku365
The thinking behind Sudoku365, our daily sudoku app: a calm daily thinking ritual, clean distraction-free design, and puzzles that work offline anywhere.
StudyX Japanese Letters TableEssay
Who Is StudyX Japanese Letters Table For? Toddlers, Families Abroad, and Beginners
Who StudyX Japanese Letters Table is for: toddlers meeting kana for the first time, bilingual families abroad, and beginners starting to learn Japanese.
StudyX Japanese Letters TableEssay
Why We Built StudyX Japanese Letters Table
Why we built StudyX Japanese Letters Table: turning the classic Japanese kana chart into a playful, kid-safe app with native audio for every letter.
StudyX Japanese Letters TracerEssay
Who Is StudyX Japanese Letters Tracer For?
Who benefits from StudyX Japanese Letters Tracer? Children writing their first kana, adult Japanese learners fixing stroke order, and parents alike.
StudyX Japanese Letters TracerEssay
Why We Built StudyX Japanese Letters Tracer
Why we built StudyX Japanese Letters Tracer: correct stroke order matters in Japanese writing, and tracing with animation and audio builds kana naturally.
Who Is Kinder Browser For?
Who is Kinder Browser for? Parents of young children going online for the first time, and families who want ad-free, learning-focused browsing.
Why We Built Kinder Browser
Why we built Kinder Browser: the open web is not made for young kids, so we chose a default-deny allowlist over filters, with no ads and no tracking.
StudyX Smartpaper LettersEssay
Who Is StudyX Smartpaper Letters For?
Who is StudyX Smartpaper Letters for? Kids learning kana, kanji, or ABCs, Japanese learners, Montessori families, and iPad and Apple Pencil owners.
StudyX Smartpaper LettersEssay
Why We Built StudyX Smartpaper Letters
Why we turned Montessori sandpaper letters into an iPad app: the thinking behind StudyX Smartpaper Letters, its tracing guides, and multisensory feedback.
Who Is StudyX MathCal For?
Who is StudyX MathCal for? Elementary school kids building calculation fluency, parents who want screen time that teaches, and Montessori-minded families.
Why We Built StudyX MathCal
Why we built StudyX MathCal: how handwriting deepens learning, why mental math matters, and how Montessori beads make numbers concrete.
Who Is StudyX Globe Atlas For?
Who is StudyX Globe Atlas for? Curious kids, families, classrooms, and language learners, and how each might use the free interactive globe in a browser.
Why We Built StudyX Globe Atlas
Why we built StudyX Globe Atlas: a free interactive globe that makes world geography tangible and playful for kids, in any browser, in over 30 languages.
Who Is Kinder Paint For?
Who is Kinder Paint for? Toddlers and preschoolers ages 2 to 6, parents who want safe ad-free creative screen time, and Montessori-minded families.
Why We Built Kinder Paint
The story behind Kinder Paint: why we built an ad-free drawing app for our own 3-year-old, with an AMI Montessori teacher and three guiding pillars.
Who Is TidyTimer For? Busy People, Families, and Chore Procrastinators
Who gets the most out of TidyTimer? Busy people, families, and anyone who puts off chores, plus how the same timer suits focus sessions and cooking.
Why We Built TidyTimer: Making Tidying Up Feel Light
Tidying up often feels heavier than it is. Why we built TidyTimer around a simple time-boxed approach, and what our distraction-free design leaves out.
Who Is StudyX Mindsports For? Families, Beginners, and Offline Players
Who is StudyX Mindsports for? How families, beginners to Chess, Shogi, and Go, and players who want offline practice can get the most from the app.
Why We Built StudyX Mindsports
Why we built StudyX Mindsports: an ad-free, offline app that helps families learn Chess, Shogi, and Go together with lessons and adaptive AI.
Unleash Your Potential
Zen teaches that potential is unleashed not by adding effort but by subtracting noise, with lessons from archery, non-doing, and direct experience.
Game Design for Creativity
Inspired by Shigeru Miyamoto, this essay looks at game design that embraces creativity and how BrainDojo draws out human potential through play.
Self-Forgetfulness
Reflections on Zen practice and self-forgetfulness: how forgetting the self through everyday mindful attention awakens our innate capacities.
Mental Health and the Brain
How mental health connects to the brain as an organ of sensation and movement, and how mindful daily practice can turn worry into fulfillment.
A Family-Friendly Product
Why truly family-friendly apps are so rare, how ad-driven design erodes trust, and why BrainDojo was built as an app the whole family can enjoy.
Flow and Mindfulness
Exploring flow and mindfulness: how deep immersion in just-right challenges calms the mind, and why building BrainDojo is my own path to flow.
The Power of Handwriting
A look at how handwriting shaped human history and why writing by hand remains one of the most powerful ways to keep your brain sharp today.
Why BrainDojo is so important?
Why five minutes of daily brain training matters: how the prefrontal cortex, our hands, and Zen-inspired habits shaped the creation of BrainDojo.