English vocabulary size test at Mac App Store analyse

Test Your Vocabulary is an app that allows you to quickly and accurately measure your vocabulary size of English words. Testing will take no more than 5 minutes! Age and language proficiency is not important. The app is suitable for everyone from small children to college professors. From language learners to native speakers. Testing takes place in 3 steps: 1. The first step measures the general vocabulary level. 2. The second step with a larger but narrower selection of words to determine the vocabulary level with greater precision. 3. The third stage is a survey to collect statistical information. The app provides accurate results for almost everyone, from small children to professional linguists. It can calculate vocabulary sizes from 1 to more than 20,000 words. The margin of error is 10-15%.