kotoba 言葉
Language learning for curious readers
Open a story, article, or your own text. Kotoba lets you translate without losing your place, save words with their original sentence, and practice what you found until it sticks.
Free to download · 30 languages · Optional Kotoba Pro
Dutch · page 2 of 932
Ik wil weten dit gebeurt.
Learning words stay underlined
interrogative adverb
waarom is marked learning and is underlined.The actual app, not a feature cloud
Read with instant help, practice the language you want to use, and follow a clear path through your next session.
A plan without a rigid course
Follow a structured learning path, track progress, and choose flashcards, practice, or writing.
Low-pressure, real-life writing
Practice realistic writing scenarios with an AI tutor that adapts to your level.
Help that stays out of the way
Tap any unfamiliar word while reading to see its meaning, pronunciation, and examples without leaving the text.
Go beyond the demo
See the scripts, forms, and reading decisions that matter in our original Japanese, Dutch, and Spanish guides.
Browse all languages
Practical details
Languages, pricing, reading, practice, and review—without the fine print.
Kotoba is an iPhone and iPad language learning app for independent learners. It combines reading, tap-to-translate word lookup, contextual vocabulary, AI writing practice, text-to-speech, and spaced-repetition review in one learning loop.
Open a story, article, or text in your target language and tap any unfamiliar word for an instant translation. When you save a word, Kotoba keeps the original sentence with it so you can learn meaning and usage together.
Kotoba supports 30 languages, including Japanese, Spanish, French, German, Portuguese, Italian, Dutch, Russian, Polish, Greek, Turkish, and Ukrainian. You can switch learning languages inside the app.
Yes. Kotoba includes an AI conversation tutor for realistic writing practice. It adapts to your level and gives feedback on grammar and word choice while keeping the conversation natural.
Words you save while reading become contextual flashcards. Kotoba uses spaced repetition to schedule reviews and also includes cloze, recall, and writing practice.
Kotoba is free to download and use. An optional Kotoba Pro subscription removes daily limits and unlocks unlimited translations, stories, AI chat, and text-to-speech.