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%.