bi-lingua: 내 외국어 실력은?

vibevault

About this app

Measuring True Foreign Language Skills with Cognitive Science

bi-lingua is a foreign language proficiency measurement app designed for Koreans. Based on the cognitive psychology theory known as "Language Switching Cost," it goes beyond simple vocabulary tests to measure how quickly you can switch between two languages.

- Objective Measurement Completed in Just 5 Minutes

It comprehensively evaluates reaction speed and accuracy by having you answer 30 stimuli (24 images + 6 numbers) alternately in Korean and the foreign language.

- Result Report

• Overall average reaction speed and accuracy

• Korean ↔ Foreign Language Switching Cost (in milliseconds)

• Classification of 'My Measurement Style' into 8 types

• Track growth with score trend graphs after every measurement

• Create separate profiles for learners and children for comparison and management

• Share results as image cards

- 4 Practice Modes

• Flashcards — Step-by-step word learning + instant answer verification

• Speed ​​Challenge — As many as possible in 60 seconds! Combo Bonus

• Language Switching Training — Strengthen switching skills by answering in alternating Korean and a foreign language

• Interpretation Simulation — Simultaneous processing of words and context in real-life conversational situations

- Supported Languages

English, Japanese, Chinese. New languages ​​coming soon.

- Scientific Basis

The cost of language switching is one of the key indicators for gauging foreign language fluency. Bilingual users consume cognitive resources when switching between two languages, and this cost decreases as proficiency in the foreign language increases. bi-lingua measures this quantitatively.

- Privacy

• Use anonymously without logging in

• No ad tracking

• Privacy Policy: https://bilingua.vibestash.app/privacy

- Recommended for

• Those preparing for foreign language exams who are curious about their actual level

• Parents who want to objectively monitor their child's foreign language learning progress

• Those wondering how TOEIC/TOEFL scores differ from real-life proficiency

• Those interested in cognitive science and language learning

100% Free

What’s new

The app has been updated to support Android 16.

• Improved safe-area and system bar layouts on newer Android devices
• More reliable results — when too few questions are answered attentively, the app suggests measuring again instead of showing a score
• Fixed flashcards skipping a question when Enter was pressed rapidly
• Faster screen transitions