Vocabulary expander

It helps to learn foreign words. It displays the words at the bottom of the page. It syncs your progress across your devices (Browser extension / Windows / Android / Web app).
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Pre-installed dictionaries:
-English -> Chinese/French/German/Italian/Korean/Russian (with images)/Spanish;

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★ This app helps to learn new English words by using "Spaced repetition method"* (by default: 2, 7 and 30 days between control checks) and "Associative learning method"*. You can improve your vocabulary very effectively.
★ This app displays new words from the selected dictionary at the bottom of the page
★ It's possible to edit standard dictionaries and create a new one.
★ This app syncs your learn progress across your devices (Browser extension / Windows Desktop / Android / Web app).

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* Spaced repetition is a learning technique that incorporates increasing intervals of time between subsequent review of previously learned material in order to exploit the psychological spacing effect.

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* Currently only the English-Russian dictionary is shipped with associative images. However, it's possible to attach your own image to the new word while in editing mode (in web version)