The IELTS High Score Words app developed by Pacific Lava is an excellent resource for students aiming to achieve high scores in the IELTS test. This free app offers 1389 words categorized into 47 lessons. The app allows you to select and study only the words you want to learn or review, and filter out words you already know to save time.

The app is an excellent tool for students who want to expand their vocabulary beyond basic IELTS words. Although these words may not be commonly used in daily conversations, they play a vital role in the Reading section of the IELTS exam, and this app helps to master them.