★ Learn foreign words by using "Spaced repetition method"* (by default: 2, 7 and 30 days between control checks) and "Associative learning method"*. Improve your vocabulary very effectively.
★ Edit standard dictionaries and create a new one (import CSV/add words).
★ Add the widget to your home screen.
★ Sync your learn progress across your devices (Chrome extension / Windows Desktop / Android / Web app).

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Download another clients: https://vocabexpander.com/download.html

✓ Google Chrome extension:
It displays new words at the bottom of the page.

✓ Windows Desktop:
It displays new words at the bottom of the screen.

✓ Android:
It displays new words on the home screen widget.

✓ Web version: https://vocabexpander.com/

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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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Pre-installed dictionaries:
-English -> Bengali/Chinese/Czech/Dutch/Filipino(Tagalog)/French/German/Italian/Japanese/Korean/Polish/Portuguese/Russian (with images)/Serbian/Spanish/Turkish;
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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 (using the web version or Windows desktop version)