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31 supported languages

A new language. A world to make your own.

Explore topic islands, read stories, save useful words, and practice through reading, listening, writing, and speaking across 31 languages on iPhone and iPad.

Islands, a mode in Kotoba

A familiar place to start. Room to explore.

Choose a topic, create a story, and return to it through reading, listening, writing, or speaking practice. Explore at your own pace.

Find out how islands work

In-depth reading guides

Find your way into the language.

These guides use original examples to explain the forms, scripts, and reading decisions that make each language different.

EspañolSpanish Reading Practice with Instant Translation

Practice Spanish with original reading examples, instant word lookup, regional reading guidance, and vocabulary saved with the sentence where you found it.

Read the Spanish guide →
日本語Japanese Reading App with Tap-to-Translate

Read original Japanese examples with tap-to-translate, kanji readings, sentence-aware vocabulary, and practical guidance from graded text to native material.

Read the Japanese guide →
NederlandsLearn Dutch by Reading Books and Articles

Learn Dutch through books and articles with sentence-aware translation, separable-verb examples, CEFR reading guidance, and vocabulary kept in context.

Read the Dutch guide →

Take your curiosity with you

Choose all 31 languages on your iPhone

Scan to open Kotoba, choose a language, and explore your first island.

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More in-depth reading guides

Seven languages, seven different reading problems.

Each guide uses original examples and a distinct strategy for the language: French literary forms, German verb frames, Italian omitted subjects, Brazilian Portuguese register, English phrasal verbs, Russian case and aspect, or Turkish suffix chains.

FrançaisRead French without losing the thread.

French reading becomes more reliable when contractions, pronoun reference, silent written endings, and narrative tense remain attached to the complete clause.

Read the French guide →
DeutschRead German without losing the thread.

German reading becomes easier when the verb bracket, case-marked noun phrases, and compound boundaries remain visible inside a complete clause.

Read the German guide →
ItalianoRead Italian without losing the thread.

Italian reading becomes more useful when verb endings, omitted subjects, articles, and clitic pronouns stay connected to the scene they organize.

Read the Italian guide →
Português brasileiroRead Portuguese without losing the thread.

This guide models Brazilian Portuguese and keeps contractions, verb endings, pronoun register, and regional vocabulary visible in their original source.

Read the Portuguese guide →
EnglishRead English without losing the thread.

English reading becomes more transferable when phrasal verbs, contractions, register, and regional varieties remain attached to the sentence and source where they appeared.

Read the English guide →
РусскийRead Russian without losing the thread.

Russian reading becomes more reliable when Cyrillic, stress, case endings, and verbal aspect are learned through complete phrases rather than treated as separate decoding tasks.

Read the Russian guide →
TürkçeRead Turkish without losing the thread.

Turkish reading becomes easier when a long word is treated as an ordered chain of root, derivation, possession, case, tense, and person rather than as an indivisible vocabulary item.

Read the Turkish guide →

Every supported language

One map. 31 languages.

  • Bulgarian
  • Chinese (Simplified)
  • Croatian
  • Czech
  • Danish
  • Dutch
  • English
  • Estonian
  • Finnish
  • Flemish
  • French
  • German
  • Greek
  • Hungarian
  • Icelandic
  • Italian
  • Japanese
  • Kyrgyz
  • Latvian
  • Lithuanian
  • Norwegian
  • Polish
  • Portuguese
  • Romanian
  • Russian
  • Slovak
  • Slovenian
  • Spanish
  • Swedish
  • Turkish
  • Ukrainian
kotoba 言葉

A little more of the world. A little more yours.

Explore topic islands, find your stories, and bring new words into everyday life.

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Explore Kotoba

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