WordBit is a simple and fun way to improve your vocabulary, no matter if you are a native speaker or not. The main idea is to check your phone as often as possible. Every time you unlock your phone, you will see a word that you have to guess. If you get the right answer, you will be rewarded with points. The more points you get, the higher the reward will be. You can also choose to study the word in a different mode. There are different modes, such as studying as flashcards, studying as study sheets, and studying as quiz cards. You can also adjust the settings of the app.