Katakana for the Real World
Move beyond the basic alphabet to master the nuances of loanwords, stylized text, and the unique rhythm of Katakana in daily Japanese life.
Like Duolingo, but for Katakana for the Real World. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.
21 levels across 3 sections, about 42 minutes end to end, roughly 8 days at five minutes a day. It moves through Reading at Speed, Nuance and Modern Sounds, and Katakana in the Wild. It assumes you already know the basics.
Free forever · No credit card · iPhone & Android

Key ideas in Katakana for the Real World
- Katakana represents foreign sounds phonetically rather than translating meaning
- Applying the 'u' and 'o' padding rule for trailing consonants
- Japanese lacks a distinction between 'L' and 'R'
- Context is required to differentiate English minimal pairs
- Katakana represents foreign sounds phonetically
- English short 'a' sounds map to Japanese 'a'
- English 'u' in 'bus' or 'cup' maps to 'a' or 'u'
- Applying the 'u' and 'o' padding rule
- The 'l' becomes an 'r' sound and the trailing 'k' requires a 'u' padding vowel.
- Understanding R and L convergence in the Japanese phonetic system
- Short vowels followed by 'l' often result in the 'iru' or 'uru' syllable patterns.
- Mapping complex English vowels into the five Japanese vowel slots
- Predicting the Katakana form of an English word using phonetic patterns
- Shi (シ) strokes are horizontal-ish and the long sweep starts from the bottom.
- Tsu (ツ) strokes are vertical-ish and the long sweep starts from the top.
- So (ソ) is the katakana 'Tsu' with one less stroke, keeping its top-alignment.
You've tried the other tabs
Thirty open tabs. Four facts you actually kept.
You watched. You nodded. By Sunday it was gone.
One answer, then back to scrolling.
Eight weeks. You meant to finish. You didn't.
Tomo gives Katakana for the Real World the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.
Here's what playing it feels like
A real question from this course. Take your best guess.
In Japanese, what is the primary focus when creating a 'gairaigo' (loanword)?
Get it right to open this lesson and 20 more in the app.
Where Katakana for the Real World takes you
- 1
Reading at Speed
- Cracking the Loanword Code
- The Lookalike Battle
- 2
Nuance and Modern Sounds
- Rhythm, Length, and Stops
- Modern Phonetic Combinations
- 3
Katakana in the Wild
- Beyond English Origins
- Emphasis and Onomatopoeia
- The Logic of Abbreviation
3 sections · 7 units · 21 levels. Built to play, not to enroll.
Tomo is in ChatGPT
Tomo is also a ChatGPT plugin: the same playable courses, built and played inside your chat.
Add Tomo to ChatGPT- What to ask
- “Make me a Tomo course on black holes.” “Turn this chat into a Tomo course.”
- What you get
- Quick questions with instant feedback, hearts and stars, ready to play in about a minute.
- Where it goes
- No sign-up to start. Connect your Tomo account and your streak carries on in the app.
You pick the voice
Katakana for the Real World is taught in the The Bestie style: your friend who just gets it. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.
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Start Katakana for the Real World today.
Download Tomo, search Katakana for the Real World, and play your first lesson in under a minute.