How many words have been selected in IELTS High Score Words? And what criteria are followed to select words for this app?
Totally this app includes 1594 words. This app is designed for students who are working hard to get high scores in IELTS tests. The words are usually less frequent in daily but occasionally appear in IELTS exam, specially in reading section. If you are ready for basic IELTS vocabulary, this is a good option to enrich your high score IELTS words.

What are special features of IELTS High Score Words?
This app isn’t only a word list. It lets students mark each word with one of three status: New, Known, and Need Reviewed. So you can skip known words, review half-known words, and focus on new words. This mechanism ensures you never waste time on known words, keep fast pace and high productivity in your IELTS test preparation.

How can I save word status for future use?
IELTS High Score Words will save word status at your computer or other device for future use automatically.

Is there any difference among this Windows 8 Store version and other versions?
All versions of IELTS High Score Words from www.examword.com share same word list in general. We commonly update word list and its definitions per year, but cannot update all versions at same day, so at particular period tiny difference possibly is among these versions. As for software features, separate versions have different merits based on the natures of various devices.