This free web app is an excellent English educational tool to learn basic English words and start to build essential English vocabulary. With the cards styled interface, the app provides more than 1000 basic English words with pictures, real-person pronunciations and examples. You can also get the upgraded version for your iPad or iPhone with more functions and interactive english game.
iPad version: https://itunes.apple.com/us/app/kids-words/id732696521?ls=1&mt=8
iPhone version: https://itunes.apple.com/us/app/kidswords-for-phone/id826320134?ls=1&mt=8
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