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Read, listen, watch.
Tap for a clue.

Turn any book, podcast, or video into a language lesson. Tap a word — get its meaning, save it to learn, and let smart notifications bring it back until it sticks.

One gesture. Endless meaning.

Touch a word and the world unfolds — definition, pronunciation, an example, and a place in your memory. A quiet practice mode is there when you want it.

01 — Word details

Every meaning a word can carry, ranked by how it's used in your sentence.

02 — Hear it, say it

Native pronunciation on tap. Audio examples show how the word actually lives in speech.

03 — Forms and conjugations

Verbs across every tense. Noun genders. Adjective agreements. Grammar shows up when you need it, not before.

04 — Save word

Every word you tap joins your deck. Quiet reminders bring it back through the day until it sticks.

05 — Works offline

Download a book or video — Clue keeps working on the Tube, on a flight, anywhere.

06 — Anything goes

Drop in your own books, articles, or videos. No fixed catalogue. No locked content.

Words you tap become words you know.

Saved words return as flashcards, spaced just far enough apart to feel effortless. A daily nudge surfaces something new — small reminders, real recall.

cliffs
/klɪfs/
gathers
/ˈɡæð.ərz/
house
/haʊs/
morning
/ˈmɔːr.nɪŋ/
book
/bʊk/

Loved by quiet learners.

Real learners across 11 native languages. Here’s what some of them say.

4.8
App Store rating
100+
Countries learning English
27K
Offline dictionary
It finally clicked.

Five other apps in, Clue is the first one that actually moved my English forward. Reading the news with tap-to-translate built my vocabulary faster than three years of classes ever did.

🇪🇸Sofía M.
Like a private tutor in my pocket.

It tracks every word I’ve seen and brings them back in real sentences. Six months in I’m reading Tolstoy in English on the train — I didn’t think that was possible for me.

🇯🇵Kenji T.
Beautiful, calm, and dangerously addictive.

No streaks, no notifications, no cartoon owls. Just me and my podcasts. I’ve been using Clue every day for eight months without realising it was “studying” — and my English has quietly taken off.

🇫🇷Léa B.
The Apple of language apps.

The design is so quiet and confident — every tap feels considered. It made daily English practice something I look forward to. My only complaint: I wish I’d found it three years ago.

🇩🇪Markus R.
It respects my time.

I have 20 minutes on the metro. Clue gives me a podcast, a transcript, and exactly the vocab I need for that episode. My English at work has noticeably improved with no extra hours of study.

🇫🇷Aïcha D.
My evening ritual.

Tea, sofa, an English novel on Clue. Six months ago I couldn’t order a coffee. Last week I read a New Yorker column without looking anything up — the app got me there one tap at a time.

🇵🇹Diego P.

11 languages. One Clue.

English
English
Русский
Russian
Español
Spanish
Français
French
Deutsch
German
Italiano
Italian
Português
Portuguese
Nederlands
Dutch
Polski
Polish
Українська
Ukrainian
Türkçe
Turkish
More languages
are coming.

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Your next step in English.

Free on the App Store. No subscriptions, no paywalls.