Lookup Word of the Day Cards
One of the features of LookUp is that you can discover new words every day. These cards appear every time you open the app.
It's easy to learn these words, as they are accompanied with descriptive illustrations (and illustrations stay with us for a long time!).
You can also share them from anywhere you want. There's an iMessage app for the same too!
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App Link: https://itunes.apple.com/us/app/lookup-an-elegant-dictionary/id872564448?mt=8