Kyobo Book Center’s middle and high school reference books ranked #1 on the bestseller list*

Hackers Voca etymology as well as Hackers Boca middle school series books and
Easily memorize essential English vocabulary necessary for preparing for high school and college entrance exams with one application.
(Books available in the app are updated sequentially)

* Kyobo bookstore middle/high school reference books bestseller No. 1 (21.01.07, online weekly tally)
▼▼ Systematic learning process ▼▼
[STEP.1] Look at the words to be learned at a glance
You can see all the words recorded by day at a glance, and you can easily learn through the word/Hangul meaning hiding function.

[STEP.2] Word study card
The word to be learned is through a word-by-word learning card.
Learn headwords, pronunciation, meanings, example sentences, and derivative words in an automatic playback method.
(Background play function is also supported)

[STEP.3] Memorize according to your taste
Auto play, font size, hide word/meaning, set voice you want to hear,
Memorize according to your taste by setting the voice playback interval and voice speed/repeat!

[STEP.4] Review
With 4 types of review games: Vocabubble, Matching, Example Review, and Voice Review
Make memorized words your own.

[STEP.5] My own vocabulary
Put the words to memorize in your own vocabulary,
Underlining words that are difficult to memorize, covering words/meanings, covering them with cellophane,
Through infinite repetition learning and review, you can learn until you memorize words perfectly.

We will guide you as follows about the access rights used by the app.
Access rights are divided into essential access rights and optional access rights, and in the case of optional access rights, you can use the app even if you do not agree to the permission.

• Required Access Rights
• Storage space
With device photo media file access
To store and play video and audio
used.

• phone call
PUSH with dialing and management privileges
It is used for environment setting.

• Optional access rights
• Camera and video
Attach photos/videos to Hackers

• If you are using a smartphone with Android OS version 6.0 or lower, all of them can be applied as essential access rights without selective access rights. In this case, after upgrading the operating system to 6.0 or higher, you must delete and reinstall the app to set access rights normally.
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Developer Contact:
+8225375000