브레인키 - 하루 3분 영어 퀴즈, 영단어, 영어회화

1K+
Downloads
Content rating
Everyone
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About this app

An AI English learning app that solves everything from words to sentences and speaking with short quizzes.

No need to open a book or spend a lot of time.
You can complete a session in just 3 minutes a day and become a little closer to English.

■ Today's 3-Minute Session
- The quiz starts right away when you open the app.
- It's short and easy, and the structure becomes stronger with repetition.

■ Words → Patterns → Sentences → Speaking
- You don't have to memorize words separately.
- The pattern naturally leads to sentences and speaking.
- The goal is not "knowing English," but "using English."

■ Incorrect Answer Loop for Longer Learning
- Wrong answers reappear later in the session, creating natural repetition.
- The same patterns are revisited in different contexts and expressions.

■ AI Speaking & Feedback
- The AI ​​recognizes and evaluates sentences you speak.
- You can check your pronunciation, expression, and naturalness.

■ Worry-Free Learning Path
- Today's units and lessons are automatically linked.
- Simply press "Start Next Session."

■ Make English a Habit
- Just focus for 3 minutes a day.
- Record consecutive study days to create a daily routine.

Even a small accumulation of 3 minutes a day can lead to a big change in your English skills.

Get started with Brainkey now.

[Brainkey Plus Membership]
Brainkey is available for free.

With a free trial, your energy recharges over time, and you can use that energy to take quizzes.

Brainkey Plus Membership gives you unlimited access to quizzes and AI conversations without running out of energy.

When purchasing a membership, your subscription will automatically renew every month unless you cancel at least 24 hours before the next billing period.

You can manage or cancel your subscription at any time by going to Manage Subscriptions in the App Store under Apple ID.
Updated on
Apr 8, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info
Data is encrypted in transit
You can request that data be deleted

App support

Phone number
+821059119714
About the developer
(주)위버스마인드
develop@weaversmind.com
구로구 디지털로30길 28, 901호,913호,914호,915호,916호,917호,918호 (구로동) 구로구, 서울특별시 08389 South Korea
+82 10-5911-9714