B2-C2
C-Test

Master Advanced
Vocabulary

B2-C2 exam prep through real context.

Fill gaps in real texts, build advanced vocabulary, and prepare for IELTS, TOEFL, TOEIC, SAT, GRE, TestDaF, or DELE. Designed for serious B2-C2 learners aiming for C1/C2 fluency.

Free to start
No tracking ads
Works offline
Try it right here
Type the missing letters…
The tr passed thr stations he h never se or heard ab before.
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How does it work?

The Power of C-Test: A scientific C-Test (gap-fill and cloze) method used in university placement tests and official language assessment workflows.

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Read a real text

You're presented with an engaging, real-world article — not "the cat is on the table."

The scientist discovered a new species in the Amazon rainforest.
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Fill in the blanks

The second half of selected words is hidden. Analyze the context and deduce the missing letters.

The scientist disc a new species in the Amazon rainforest.
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Your brain connects the dots

Vocabulary, grammar, and reading comprehension all improve simultaneously — without rote memorization.

The scientist disc a new species in the Amazon rainforest.
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Everything you need

Your C1/C2 roadmap: CEFR measurement, contextual vocabulary building, and serious exam prep in one focused system.

Your Proven Path to C1/C2

Follow a structured progression, keep your streak alive, and move from plateau to advanced reading confidence with daily practice.

Your Proven Path to C1/C2

Validate Your CEFR Level

Take a scientific 8-text assessment in about 40 minutes. Benchmark your reading level and exam readiness for IELTS, TOEFL, TOEIC, SAT, GRE, TestDaF, DELF, DALF, or DELE.

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Validate Your CEFR Level

Contextual Flashcards, Not Word Lists

Save unknown words with one tap and review them later inside the exact sentence where you found them. That is how vocabulary sticks.

Contextual Flashcards, Not Word Lists

Real-World Articles, Every Day

Practice with fresh reading material about technology, culture, science, and more. Real texts keep advanced vocabulary tied to real usage.

Real-World Articles, Every Day

Tap Any Word. Instantly Understand.

An offline dictionary recognizes even conjugated verbs and reveals meanings in 16 languages. No internet needed.

Tap Any Word. Instantly Understand.
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See it in action

A clean, distraction-free experience designed to help you build vocabulary and track your CEFR progress.

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Video / Lexie

Watch Lexie in action

New sentences daily — from popular science and history to art and culture. Practice vocabulary in context and never run out of fresh material.

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Ready to break into C1/C2 vocabulary?

Train with real texts, track your CEFR progress, and prep for major exams without memorizing word lists.

Free to start
No tracking ads
Works offline